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  • 7151.
    Åhlfeldt, Rose-Mharie
    et al.
    University of Skövde, The Informatics Research Centre. University of Skövde, School of Humanities and Informatics.
    Nohlberg, Marcus
    University of Skövde, The Informatics Research Centre. University of Skövde, School of Humanities and Informatics.
    Göransson, Monika
    Västra Götalandsregionen.
    Lindström, Valter
    Västra Götalandsregionen.
    Planering för införande av ledningssystem för informationssäkerhet: Utvärderingsrapport av genomförd uppdragsutbildning2012Report (Other (popular science, discussion, etc.))
  • 7152.
    Åhlfeldt, Rose-Mharie
    et al.
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Nohlberg, Marcus
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Söderstöm, Eva
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Länsstyrelsernas förutsättningar att stödja kommuner gällande informationssäkerhet2017Report (Other academic)
    Abstract [sv]

    En studie har genomförts av Högskolan i Skövde på uppdrag av Myndigheten för Samhällsskydd och beredskap (MSB) med syfte att kartlägga länsstyrelsernas faktiska möjligheter att samordna och stödja kommunernas arbete avseende informationssäkerhet. Arbetet har även inkluderat hur länsstyrelserna arbetar med att samordna och stödja kommunernas arbete avseende informationssäkerhet. Kartläggningen genomfördes hos sju utvalda länsstyrelser under perioden oktober 2016 till januari 2017 genom intervjuer av representanter från varje länsstyrelse.

    Resultatet visar att länsstyrelserna behöver ett tydligt uppdrag med tillhörande mandat och resurser för att ha förutsättningar att kunna samordna och stödja kommunerna i deras informationssäkerhetsarbete. Detta anser de involverade länsstyrelserna saknas i nuläget. Dessutom visar resultatet på att det finns omfattande kompetensbrist inom informationssäkerhetsområdet. Kompetensbristen finns såväl i det interna arbetet som i det externa arbetet ut mot kommunerna, allt från ledningsnivå till operativ nivå. Det finns även behov av tydligare roller både strategiskt och operativt för att sätta igång arbetet och möjliggöra en tydligare överblick. Detta behövs för att ge förutsättningar till länsstyrelserna för att kunna samordna och stödja länsstyrelserna i informationssäkerhetsarbetet relaterat till kris och höjd beredskap men även för att erhålla en strategisk helhetssyn på informationssäkerhetsarbetet utifrån ett samhällsperspektiv.

  • 7153.
    Åhlfeldt, Rose-Mharie
    et al.
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Persson, Anne
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Rexhepi, Hanife
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Wåhlander, Kalle
    Visuera Integration AB, Sweden.
    Supporting Active Patient and Health Care Collaboration: A Prototype for Future Health Care Information Systems2016In: Health Informatics Journal, ISSN 1460-4582, E-ISSN 1741-2811, Vol. 22, no 4, 839-853 p.Article in journal (Refereed)
    Abstract [en]

    This article presents and illustrates the main features of a proposed process-oriented approach for patient information distribution in future health care information systems, by using a prototype of a process support system. The development of the prototype was based on the Visuera method, which includes five defined steps. The results indicate that a visualized prototype is a suitable tool for illustrating both the opportunities and constraints of future ideas and solutions in e-Health. The main challenges for developing and implementing a fully functional process support system concern both technical and organizational/management aspects.

  • 7154.
    Åhlfeldt, Rose-Mharie
    et al.
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Söderstöm, Eva
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Nohlberg, Marcus
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Lennerholt, Christian
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    van Laere, Joeri
    University of Skövde, School of Informatics. University of Skövde, The Informatics Research Centre.
    Metod och kartläggning av informationssäkerhet för kommuner i Västra Götaland2016Report (Other (popular science, discussion, etc.))
    Abstract [sv]

    Information är ett viktigt arbetsverktyg för alla typer av verksamheter, inklusive kommunalverksamhet. Kommuner hanterar en betydande del av samhällets tjänster varför kommunensinformationsförsörjning blir en kritisk del för samhällets informationssäkerhet. En säkerinformationshantering är en verksamhetsfråga och omfattar därför hela kommunens verksamhet.Utredningar visar dock på brister hos kommunernas arbete med informationssäkerhet och det finnsett behov av att se över detta arbete och identifiera nuvarande säkerhetsnivå.Högskolan i Skövde och forskargruppen i Informationssystem fick i uppdrag av VästKom ochSkaraborgs femton kommuner att dels utveckla metoden för genomförande av en Gap-analys medutgångspunkt från det nationella metodstödet som finns på informationssäkerhet.se, dels praktisktgenomföra en Gap-analys utifrån metodutvecklingen i Skaraborgs femton kommuner. I arbetet medmetodutvecklingen ingick aktiviteterna att 1) uppdatera checklistan i Gap-analysen till ny version, 2)kommunanpassa vilka åtgärder som anses kritiska för en kommun samt anpassa de roller som ingår ianalysen till kommunal kontext, 3) utveckla ett förenklat IT-verktyg som stöd för analysarbetet.Projektet varade mellan april 2015 och januari 2016. Metodutvecklingen samt planering förkartläggningen hos kommunerna genomfördes under våren och själva kartläggningen genomfördesunder första delen av hösten. Analysarbetet och sammanställning av resultat har sedan pågått underresterande del av 2015 och presenterats och slutrapporterats under januari månad 2016.Resultatet av metodutvecklingen har genererat dels en uppdaterat checklista för genomförande aven Gap-analys där kritiska åtgärder för kommunerna har identifierats. Dessutom har enrollförteckning anpassad för kommunal kontext upprättats. Ett förenklat IT-verktyg har ocksåutformats mest i syfte att visa på vilka krav på design och övriga förbättringar som behövs för att fåett effektivt och användbart IT-stöd vid genomförande av en Gap-analys.Resultatet av kartläggningen i Skaraborgs femton kommuner visar generellt på att kommunerna harbrister vad gäller det systematiska informationssäkerhetsarbetet. Främst handlar bristerna om attfundamentet för ett systematiskt informationssäkerhetsarbete saknas i de flesta kommunerna, d v s.styrdokument, organisation och ansvar kring informationssäkerhetsarbetet brister. Dessutom visarkartläggningen på stort behov av ökad kompetens inom informationssäkerhetsområdet.Fortsatt arbete i form av samverkan mellan kommunerna i Västra Götaland ses som enframgångsfaktor. Det är unikt att ha gjort denna form av gemensamt arbete och därför finnspotential för att fortsätta arbetet med att införa ett systematiskt informationssäkerhetsarbete ikommunerna och då främst genom att samarbeta kring aktiviteter i ett införande av ettledningssystem för informationssäkerhet

  • 7155.
    Åhlén, Julia
    et al.
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Seipel, Stefan
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Knowledge Based Single Building Extraction and Recognition2014In: Recent Advances in Computer Engineering, Communications and Information Technology / [ed] Josip Music, WSEAS Press , 2014, 29-35 p.Conference paper (Refereed)
    Abstract [en]

    Building facade extraction is the primary step in the recognition process in outdoor scenes. It is also a challenging task since each building can be viewed from different angles or under different lighting conditions. In outdoor imagery, regions, such as sky, trees, pavement cause interference for a successful building facade recognition. In this paper we propose a knowledge based approach to automatically segment out the whole facade or major parts of the facade from outdoor scene. The found building regions are then subjected to recognition process. The system is composed of two modules: segmentation of building facades region module and facade recognition module. In the facade segmentation module, color processing and objects position coordinates are used. In the facade recognition module, Chamfer metrics are applied. In real time recognition scenario, the image with a building is first analyzed in order to extract the facade region, which is then compared to a database with feature descriptors in order to find a match. The results show that the recognition rate is dependent on a precision of building extraction part, which in turn, depends on a homogeneity of colors of facades.

  • 7156.
    Åhlén, Julia
    et al.
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Seipel, Stefan
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Liu, Fei
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Evaluation of the Automatic methods for Building Extraction2014In: International Journal Of Computers and Communications, ISSN 2074-1294, Vol. 8, 171-176 p.Article in journal (Refereed)
    Abstract [en]

    Recognition of buildings is not a trivial task, yet highly demanded in many applications including augmented reality for mobile phones. Recognition rate can be increased significantly if building façade extraction will take place prior to the recognitionprocess. It is also a challenging task since eachbuilding can be viewed from different angles or under differentlighting conditions. Natural situation outdoor is when buildings are occluded by trees, street signs and other objects. This interferes for successful building façade recognition. In this paper we evaluate the knowledge based approach  to automatically segment out the whole buildingfaçade or major parts of thefaçade. This automatic building detection algorithm is then evaluated against other segmentation methods such as SIFT and vanishing point approach. This work contains two main steps: segmentation of building façades region using two different approaches and evaluation of the methods using database of reference features. Building recognition model (BRM) includes evaluation step that uses Chamfer metrics. BMR is then compared to vanishing points segmentation. In the evaluation mode, comparison of these two different segmentation methods is done using the data from ZuBuD.Reference matching is also done using Scale Invariant Feature Transform. Theresults show that the recognition rate is satisfactory for the BMR model and there is no need to extract the whole building façade for the successful recognition.

  • 7157.
    Åkerberg, Johan
    Mälardalen University, School of Innovation, Design and Engineering.
    On Security in Safety-Critical Process Control2009Licentiate thesis, comprehensive summary (Other academic)
    Abstract [en]

    This Licentiate thesis is about security in automation networks with emphasis on fieldbus communication. In the process industry, network and system security have become even more important since the introduction of Ethernet-based fieldbus protocols. As an example, a successful attack on a power plant, supporting large cities with energy, could result in a temporal but total power loss. Such attacks could be devastating for the society. The security threats are real, and motivations for attacking industrial communication systems may be political or economical.

    The visions of autonomous systems, which can be supervised, diagnosed and maintained from remote is not far from reality, but stress the need for security and safety measures. Wired fieldbus protocols are mature when it comes to safety and there are existing standards for safe communication. In a setup like an autonomous system security measures over safe communication has to be taken into account.

    The state-of-the-art in automation security is to use firewalls to restrict incoming and outgoing traffic to the networks. Firewalls can be deployed between different automation networks, i.e. server, control, and fieldbus networks, and even protect a single automation cell with a dedicated firewall. If an adversary can penetrate the perimeter defenses, no other security countermeasures exist in process automation to protect the safety-critical communication from sabotage.

    In this thesis we initially explore the possibilities of security attacks on the automation protocols PROFINET IO and PROFIsafe. We show that it is possible to attack safety-related communication to take control of safety-critical fieldbus nodes. We propose the concept of Security Modules in combination with PROFINET IO and PROFIsafe to achieve safe and secure real-time fieldbus communication.

  • 7158.
    Åkerblom, Beatrice
    et al.
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Wrigstad, Tobias
    Mattias, Tumlin
    Jonathan, Stendahl
    Tracing dynamic features in python program2014In: Proceedings of the 11th Working Conference on Mining Software Repositories, New York: ACM Press, 2014, 292-295 p.Conference paper (Refereed)
    Abstract [en]

    Recent years have seen a number of proposals for adding (retrofitting) static typing to dynamic programming languages, a natural consequence of their growing popularity for non-toy applications across a multitude of domains. These proposals often make assumptions about how programmers write code, and in many cases restrict the way the languages can be used. In the context of Python, this paper describes early results from trace-based collection of run-time data about the use of built-in language features which are inherently hard to type, such as dynamic code generation. The end goal of this work is to facilitate static validation tooling for Python, in particular retrofitting of type systems.

  • 7159.
    Åkerblom, Pontus
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Nilsson, Joacim
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Knowledge Management Systems Issues Within Organizations2017Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The aim of this study is to locate if there are some common problems connected to knowledge management systems (KMSs) within organizations. This thesis begins with an introduction to knowledge management (KM) and knowledge management systems, followed by a presentation of previous research in the field of KM problematics. To find these possible issues that may prevent an effective use of KMSs within organizations, we will study contemporary literature and perform some complementary interviews. The questions formulated are addressed to participants from the organization Tieto, at their office in Lund. The questions are kept to a restricted number to gather replies that collect the main answers of relevance. The results from the literature review are then compared to the interviews. The main conclusion of this study is that the organizational culture may affect the possible occurrence of KMSs that suffer from usability problems, which causes the knowledge sharing to be inadequate. Finally; a picture of the problem areas concerning KMSs within organizations arise and some resolutions along with recommendations are presented.

  • 7160.
    Åkerfeldt, Anna
    et al.
    Stockholm University, Faculty of Social Sciences, Department of Education.
    Karlström, Petter
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Selander, Staffan
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Ekenberg, Love
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Lärande i en digital miljö. Observation av 1:12013Report (Other academic)
    Abstract [sv]

    Stockholms universitet fick 2009 i uppdrag av Nacka kommun, Förskola, Fritids & Skola att följa kommunens satsning på att sponsra kommunens skolor med bärbara datorer. En projektgrupp tillsattes och under 2009-2011 har gruppen genomfört olika datainsamlingar i Nacka kommuns skolor för att följa 1:1-satsningen (en dator per elev och lärare). I följande rapport kommer projektet att slutrapporteras. Vi kommer att presentera resultat från fyra delstudier; 1) videoobservationer från klassrumsmiljö, 2) fokusgruppssamtal med lärare och rektorer, 3) enkätundersökning med eleverna samt 4) system- och programanalys.

  • 7161.
    Åkerlund, Kent
    et al.
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Wettergren, Gunnar
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Student motivation in distance learning environments – what can we do as teachers to support it?2013In: 25th ICDE World Conference (16-18 September 2013, Tianjin, China): [Proceedings], 2013Conference paper (Refereed)
    Abstract [en]

    Much has been said and written about learner satisfaction and how to motivate students in distance learning environments. Sun et al., (2008) proposes the instructor attitude toward e-learning as one significant factor for driving successful e-learning. Gilly Salmon (2003)states that it is of most importance to build communities in the educational platform and to design courses for interaction, participation and feedback. The need for Teacher–student interaction from a pedagogical point of view is undisputed, however focus in this discussion has often been on courses in a context where the three freedoms of distance learning (Freedom of time, place and pace) is some what limited to only include freedom of time and place. Free pace is often limited to fit the teachers and the administration of the course. This paper discusses the consequences of adding the third factor, freedom of pace for the student into the equation and applying it on a large course with 1000+ students. How do we treat the need of teacher – student interaction and the ability to build a community in a course of that size with limited resources available? The conclusions drawn in this paper come from teaching courses in project management both on an undergraduate and graduate level. The courses are given at the Department of Computer and Systems Sciences (DSV), Stockholm University and they are reached through the use of teacher discussions, self-introspective and practical experiences working as a teacher. In a course where students are allowed to study at their own pace (the third variable in the equation) it is almost impossible to create a personal relationship with individual students in the course. This in essence means that we as teachers and course creators must focus our attention on other task such as creating structure for students, making the course clear and easy to use, which is one of the biggest influences on motivation (Wettergren, 2011). The importance of quickness in reacting to student needs and questions is of utmost importance and enough resources should be devoted to this. In giving the courses at DSV we noticed a significant increase in student performance when imposing an 8-hour maximum response time from teachers. Students are studying when it fits their schedules making the timing of help and support when they are stuck even more important. The possibility to ask questions in public forums with quick responses from skilled tutors who facilitate the students to advance in the course created a sense of community. The presence of the teachers affects not only the students who asks the questions, but also the “lurkers” who get the information they need from reading other students questions. The implementation of scaffolding or “fictive” goals is an effective way of improving student motivation, giving them something to strive for (Wettergren, 2011). After implementing grading windows once a month, meaning that teachers only graded assignments and examination once a month we saw an increase in course throughput and student motivation. An added bonus of this implementation was that in doing so we created a more motivating and interesting teacher situation since we could focus on teaching and helping the students more since grading was concentrated to certain parts of the month.

  • 7162.
    Åkerlund, Åsa
    Dalarna University, School of Technology and Business Studies, Information Systems.
    Användbarhetstester i ERP-system: för ökad användbarhet efter konfigurering2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Business system or ERP (Enterprise Resource Planning) is moving toward developing into so -called global systems. The systems’ functionality should be adapted to the businesses’ and users’ needs. Thus the notion of usability becomes essential.

    Usability of ERP systems is a limited research area. At the same time, it is widely known that ERP-systems’ user interface is a complex issue, which affects usability in a negative way for the users. To investigate the usefulness of usability testing methods can be applied. This was also something that was implemented in the current study when SSAB EMEA wanted to test the user interface usability of the new ERP system that is planned to be implemented soon.

    The study's research questions were: How experienced ERP system users its usefulness? and, How can usability tests be helpful in the configuration of the user interface of an ERP system?. The purpose of this study was to create a deeper understanding of how usability testing can be helpful before configuring the user interface of an ERP system, so that users perceive it useful. A case study was conducted through group interviews and usability tests, where ten users participated.

    The results were analyzed and presented using five usability criteria for ERP systems. Firstly, Navigation shows that users felt the system navigator with folder structure as difficult while shortcuts in the form of icons and links were seen as something positive. Learnability shows that users experienced in the previous system IFS7 found it easy to learn the new system IFS8. Users who lacked previous experience, however, experienced problems and frustration when the system required no obvious commands to perform tasks. Following guidance, also these users experienced that the system was easy to learn. Presentation shows that all the users were positive about the possibility of adapting the user interface along their own work role and how their selves operate. The system's adaptation to the users and the business, Customization, shows that the users were positive towards the system shortcuts in the form of icons and links to activities. Additionally, the users were positive about the prefilled data which were based on the logged in user. Finally, the Task support shows that users requested help functions that already existed in the system, but that was not noticed by the users.

    The implications of the study come to create a deeper understanding of usability in IFS8. This helps to SSAB EMEA, can configure the user interface for enhanced usability. In addition, the study indicates that users are in need of an organized training in the system before it is deployed, in order to enable them to conduct their activities in a satisfactory manner.

  • 7163.
    Åkesson, Daniel
    University of Skövde, Department of Computer Science.
    Driftssäkerhet hos datorutrustning som används som arbetsredskap2003Independent thesis Basic level (degree of Bachelor)Student thesis
    Abstract [sv]

    Idag är datorutrustning en central del av många personers arbete. Vissa personer är helt beroende av datorutrustning för att kunna utföra sitt arbete. Om denna datorutrustning havererar kan detta leda till att en anställd person på ett företag inte kan utföra sitt arbete vilket leder till en ekonomisk förlust för företaget. Ett haveri av datorutrustning kan även innebära att viktig data som företaget använder i sin verksamhet kan gå förlorad, vilket kan vara dyrt att återställa.

    Detta arbete kartlägger hur väl förberedda företag idag är för att minimera de ekonomiska förluster och förluster av data ett haveri av datorutrustning kan innebära.

    Resultatet av den genomförda intervjuundersökningen tyder på att små företag idag har en relativt dålig framförhållning för att minimera förluster till följd av haveri av datorutrustning. Därtill har guidelines arbetats fram för att vara ett stöd för företag att välja rutiner för att minimera konsekvenserna av ett haveri av datorutrustning

  • 7164.
    Åkesson, Maria
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).
    Digital Innovation in the Value Networks of Newspapers2009Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    After decades of digital developments, we are now entering a truly digital era. Digital information and communication technology has become a naturally embedded part ofthe designed environment we live in. Most parts of life are today pervaded by digital products and services. Evidence of such immersion can be noted in, for instance, media consumption. This development is gradually shaping and cultivating a media environment that is ubiquitous. Such ubiquity is manifested in media’s constant presence and thechanges in media consumption in the purview of digital innovation. Indeed, digital innovation is not only a shift in technology. It alters existing value networks and calls forrethinking existing value perceptions. While this disruptive change driven by digitizationcan be found in many industries, this thesis focuses on its impact on value networks in thenewspaper industry.The digitization of newspapers started with the introduction of the internet in the 90´sand soon emerged into new media innovations. While these new media innovations have not replaced existing media, they have been disruptive to newspaper value networks. Recently, the emergence of yet another digital innovation is specifically interesting whenstudying changes to value networks of the newspaper industry: the e-paper. This innovation (a screen technology very close to print on paper) exhibits inherent valuesthat make future replacement of print on paper a possibility. It is therefore regarded as avery promising technology in the newspaper industry. This thesis can be positioned at the intersection of the friction between forces to embarkon a new media trajectory and forces to hang on to the established structures andcontrol. The research question addressed in this thesis is: How are value networks of newspapers influenced by digital innovation? Addressing the research question, a multimethod approach was adopted to gain a broad understanding of how digital innovationinfluences value networks of newspapers. Drawing on digital innovation literature, the thesis presents a theoretical perspective with which to understand how digital innovation influences value networks. This perspective is instantiated as a model of value network configuration. The model emphasizes the multi-layered, dynamic, dialectic, and diametrical character of value networks in digital innovation. The model is offered as abasis and analytical tool to further explore value networks in digital innovation. This tool is useful for newspaper stakeholders when entering the digital era.

  • 7165.
    Åkesson, Maria
    University of Skövde, Department of Computer Science.
    En studie om förändringsarbete och dess kritiska steg1999Independent thesis Basic level (degree of Bachelor)Student thesis
    Abstract [sv]

    I detta arbete behandlas frågor som berör förändringsarbete. Alla verksamheter och organisationer arbetar kontinuerligt med att förbättra och effektivisera den egna verksamheten. Genom att arbete med förändringar på ett strukturerat sätt kan företag och organsiationer öka sannolikheten när det gäller att arbeta fram rätt lösningar och förändringsförslag till den utvecklade verksamheten.

    I mitt arbete har jag undersökt hur verksamhetsutvecklare genomför förändringar. Jag har, genom intervjuer, tagit reda på vilka metoder som används och hur dessa metoder är uppbyggda. Genom att studera de metoder som angivits har jag kommit fram till att metoderna, i stora drag, innehåller liknade arbetssteg. Metoderna inleds med en processkartläggning, denna processkartläggning används som underlag till nästa arbetssteg där verksamhetens problem identifieras. Arbetet avslutas med att lösningar till problemen arbetas fram och prövas.

    Det finns ett antal kriterier och riktlinjer som kan vara viktiga att ha i åtanke när förändringsarbete genomförs. Jag har med hjälp av intervjumaterialet sammanställt ett antal punkter som alla kan hjälpa till när det gäller att öka sannolikheten till att rätt förändringar identifieras. Några utav de kriterier som jag arbetat fram är till exempel att ha en hög grad av användarmedverkan i projektgrupperna, att utnyttja användarnas kunskap och kompetens samt att skapa en gemensam målformulering hos de medverkande.

  • 7166.
    Åkesson, Maria
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Mobile service value: presenting the newspaper publisher view on how to attract users and advertisers2006In: Proceedings of the 29th IRIS, 2006, 19- p.Conference paper (Refereed)
    Abstract [en]

    This paper presents results from a study of news publisher’s perceptions of reader and advertiser value of mobile services. Literature on mobile service features and benefits has been used to discuss these values. The study was conducted in 10 European newspaper publishing organizations. The data on the value perceptions was analyzed iteratively to discover patterns of attributes, and resulted in a set of values for readers respectively advertisers. These finding suggest a re-shaped service model for newspaper publishers. The perception of reader values are availability, experience, relevance, sociability, and credibility, and of advertiser value mass coverage, targeting, tracking and mediating. This set of value attributes can be of guidance for content-providing organizations attempting to practice a value-centered approach to mobile service design.

  • 7167.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Ihlström, Carina
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Towards a Ubiquitous Media Environment: Adding the e-newspaper Channel2006In: Proceedings of the Technical Association of the Graphic Arts, TAGA, Sewickley, USA: Technical Association of the Graphic Arts , 2006, 1-23 p.Conference paper (Refereed)
    Abstract [en]

    As most of today’s media houses publish in multiple channels, theyalso exist in a multitude of infrastructures. Given the ongoing diffusion ofpersonal computers, handheld devices, and mobile telephones as well as theadvent of new technologies such as the e-paper, a new type of ubiquitousinformation environment is emerging. In this paper we give an update on thedevelopment of e-paper technology and provide a literature review ofinfrastructure issues in ubiquitous information environments. From empiricalresults from 19 interviews and 9 workshops with newspaper managers anddesigners in Sweden, Belgium, France and the Netherlands, we address thefollowing research question: What infrastructure considerations arise with theintroduction of a new channel in a ubiquitous media environment?

  • 7168.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Ihlström Eriksson, Carina
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Advertising Challenges in Ubiquitous Media Environments2010In: Handbook of Research on Mobile Marketing Management / [ed] Key Pousttchi, Dietmar G Wiedemann, Hershey, PA: Business Science Reference , 2010, 77-93 p.Chapter in book (Other academic)
    Abstract [en]

    Mobile advertising opportunities have attracted interest from industry and academics as a response to the trend of diffusion of new mobile technology. One industry particularly interested in new advertising opportunities is the newspaper industry. Many media houses envision a future multi-channel media environment supporting device independent, anytime, anywhere publishing, i.e. a Ubiquitous Media Environment (UME). In this paper we explore how ubiquitous advertising challenges the role of media houses. Ubiquitous advertising refers to advertising in a UME, anytime, anywhere and in any device. Based on results from interviews and workshops with advertisers and publishers we discuss how media houses traditional role is challenged. We contribute with an understanding of how media houses can develop their role to succeed with ubiquitous advertising and to m-advertising literature with insights into the dynamics of balancing consumer and advertiser value of ubiquitous advertising.

  • 7169.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Ihlström Eriksson, Carina
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Designing and evaluating the calm electronic newspaper2006In: Proceedings of the 14th European Conference on Information Systems, ECIS 2006 / [ed] Jan Ljungberg, Göteborg: IT-universitetet, Göteborgs universitet , 2006, 12- p.Conference paper (Refereed)
    Abstract [en]

    This paper reports from an ongoing action research study concerning the design of the future e-newspaper, i.e. a newspaper on e-paper technology. The e-paper innovation is of great importance to the newspaper publishers since it has the potential of eventually replacing the printed newspaper due to its readability and high contrast. This study addresses the challenge of how to design calm user experience of the e-newspaper. The action research approach followed the canonical action research method, in collaboration with publisher, reader and advertiser clients. The activities include a range of data collection techniques such as project meetings, workshops, interviews and prototype testing. In the diagnosing phase we identified the core challenges for designing the e-newspaper which directed us to the literature of calm technology. Three design principles for calm user experience were formulated in the action planning phase, followed by designing three e-newspaper prototypes, which embeds the design principles, in the action taking phase. The prototypes were evaluated with 36 readers in the evaluating phase and the outcome of these evaluations was later assessed in collaboration with newspaper designers for specifying learning. The results indicate that the design principles support calm user experience.

  • 7170.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Ihlström Eriksson, Carina
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Mobile Service Adoption: the Swedish Case Between 2006 and 20082008Conference paper (Refereed)
    Abstract [en]

    This paper describes the development of mobile service adoption between 2006 and 2008 using the Global Acceptance of Technology model (GAT) for categorization. Two online surveys were conducted, one in 2006 and one in 2008. The online questionnaires were presented at the web sites at two Swedish newspapers with comparable circulation. The sample from 2006 includes 131 respondents and the 2008 sample include 152 respondents. The samples have comparable distribution of gender, age and mobile phone penetration. The findings show a positive development in mobile service adoption in Sweden from 2006 to 2008, e.g. a large portion of the users have upgraded their mobile phones to 3G, the cost is nolonger an important barrier for adoption and users seem to be more acquainted with using mobile services and therefore do not regard mobile services to be as complicated. However, the value of mobile services was generally rated lower in 2008 than in 2006, suggesting a new challenge for the mobile service producers.

  • 7171.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Ihlström Eriksson, Carina
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    The vision of ubiquitous media services: How close are we?2007In: Human interface and the management of information: Symposium on Human Interface 2007, held as part of HCI International 2007, Beijing, China, July 22 - 27, 2007 : proceedings. P. 2, Interacting in information environments / [ed] Michael J. Smith, Gavriel Salvendy, Berlin / Heidelberg: Springer Berlin/Heidelberg, 2007, 222-232 p.Conference paper (Refereed)
    Abstract [en]

    The high penetration of mobile devices implies that we are closing up to the vision of ubiquitous media environments. This paper reports from a broad survey about barriers, use patterns, and motivations for using mobile media services. The aim is to contribute to the understanding of mobile service adoption process by studying users in different phases of the adoption process. The findings imply that mobile services are still not adopted and ubiquitously ingrained in use patterns. There is still a long way to go.

  • 7172.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Thomsen, Michel
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Challenges to Newspapers in Digital Platform Ecosystems2015In: MCIS 2015 Proceedings, Mediterranean Conference on Information Systems (MCIS) , 2015, Paper 14- p.Conference paper (Refereed)
    Abstract [en]

    Incumbent content providers such as newspapers experience radical changes in their business environment. Digital platforms are becoming increasingly important to innovate digital media services and business. The generativity of digital platforms afforded by digital technology offers new opportunities, but also new challenges. Digital platforms exist in an ecosystem of complex networks of actorsand resources. In this paper we shed light on the challenges for incumbent content providers to adapt to and realize business opportunities in digital platforms. We do this from the viewpoints of newspaper management, platform provider and analysts of media business.

  • 7173.
    Åkesson, Maria
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Thomsen, Michel
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Digital Innovation and Social Dilemmas2014In: Creating Values For All Through IT: IFIP WG 8.6 International Conference on Transfer and Diffusion of IT, TDIT 2014, Aalborg, Denmark, June 2-4, 2014. Proceedings / [ed] Bergvall-Kåreborn, Birgitta & Nielsen, Peter Axel, Heidelberg; New York; Dordrecht; London: Springer Berlin/Heidelberg, 2014, 49-61 p.Chapter in book (Refereed)
    Abstract [en]

    Digital innovation is rapidly reshaping society, affecting fundamental aspects of our everyday activities and lives. This development is accompanied with benefits as well as social dilemmas. In this paper we approach this class of challenges in IS digital innovation research. We investigate how social challenges are attended in research agendas, and reflect upon social challenges emerging from a digital service innovation project. Based on the empirical case, we present a scenario that illustrates how social challenges can unfold in digital service innovation. The case exemplifies three conflicts of interest that are used to discuss implications for the research agendas for digital innovation. We propose that explicit attention is paid to social and ethical challenges, taking a large scale and interdisciplinary approach on social and ethical challenges in digital ecosystems.

  • 7174.
    Ålander, Ture
    et al.
    Department of Public Health and Caring Sciences, Uppsala University, Sweden.
    Scandurra, Isabella
    Örebro University, Örebro University School of Business.
    Experiences of Healthcare Professionals to the Introduction in Sweden of a Public eHealth Service: Patients' Online Access to their Electronic Health Records2015In: Studies in Health Technology and Informatics, ISSN 0926-9630, E-ISSN 1879-8365, Vol. 216, 153-157 p.Article in journal (Refereed)
    Abstract [en]

    Patients' increasing demands for medical information, the digitization of health records and the fast spread of Internet access form a basis of introducing new eHealth services. An international trend is to provide access for patients to health information of various kind. In Sweden, access by patients to their proper electronic health record (EHR) has been provided in a pilot county since November 2012. This eHealth service is controversial and criticism has arised from the clinical professions, mainly physicians. Two web surveys were conducted to discover whether the opinions of healthcare professionals differ; between staff that have had experience with patients accessing their own EHR and those who have no such expericence. Experienced nurses found the EHR more important for the patients and a better reform, compared to unexperienced nurses in the rest of the country. Similarly, physicians with their own experience had a more positive attitude compared to non-experienced physicians. The conclusion of this study is that healthcare professionals must be involved in the implementation of public eHealth services such as EHRs and that real experiences of the professionals should be better disseminated to their inexperienced peers.

  • 7175.
    Årling, Matts
    et al.
    Örebro University, Department of Business, Economics, Statistics and Informatics.
    Svensson, Erik
    Örebro University, Department of Business, Economics, Statistics and Informatics.
    Instant messaging: Matchning av IM-funktioner och kommunikationsbehov hos medarbetare på IT-företag.2007Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Vi ville med denna uppsats undersöka om instant messaging matchar de kommunikationsbehov som IT-anställda har. För att ta reda på detta använde vi oss av ett kvalitativt angreppssätt i form av intervjuer. Dessa intervjuer skapade även ytterligare kunskap vilken vi benämnt barriärer. En lista på IM-funktioner hämtades från Wikipedia och reviderades senare av oss. Kommunikationsbehoven identifierades under analysen av intervjuerna. Matchningen genererade en tabell som kan användas som karta över vilka IM-funktioner som tillgodoser några vanliga kommunikationsbehov som finns på datortäta arbetsplatser. Barriärerna är till för att visa vad som försvårar tillgodoseendet av behoven. Vidare erhöll vi även kunskap om att de av oss identifierade kommunikationsbehov som i dagsläget inte tillgodoses av IM inte heller behöver göra det. Vi kom också fram till att IM skulle kunna utvecklas till att vara en brygga mellan annan kommunicerande programvara och kollegor.

  • 7176.
    Åstholm, Carl
    Örebro University, Örebro University School of Business.
    Tillämpning av ljud i IT-system för att öka användarupplevelsen: en litteraturstudie2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Today, there is a certain lack of knowledge on how sound can be utilized in systems to enhance the user experience among systems developers and many developers have a skeptical outlook on the usability of sound. Auditory display is an umbrella term for an array of different techniques that utilize sound as a medium to communicate different sorts of information and data from the system to the user. As much of the research revolving around auditory display has the development of accessibility tools for visually impaired as its sole focus, instead of more general systems intended for users without specific needs, we see that there is a need for a literature review focused on the latter. We asked ourselves the question "how can auditory display be utilized in the development of traditional IT-systems?" and carried out a literature review where 23 articles were analyzed to identify different use cases, with the purpose of presenting these use casers in a way that can be used by developers who are interested in implementing sound in their systems but are unsure where to start. Results indicate that auditory display can be used to good effect in, among others, systems for monitoring network traffic, user interfaces and widgets and in-vehicle technologies. Lastly, we propose promising potential use cases that are in need of further research.

  • 7177.
    Åström, Emil
    et al.
    University of Skövde, School of Humanities and Informatics.
    Ziemke, Tom
    University of Skövde, School of Humanities and Informatics.
    Robot Navigation using the Connectionist Navigational Map1997Report (Other academic)
    Abstract [en]

    The `grounding problem' poses the question of how the function and internal mechanisms of a machine, natural or artificial, can be intrinsic to the machine itself, i.e. independent of an external designer or observer. Searle's and Harnad's analyses of the grounding problem are briefly reviewed as well as different approaches to solving it, based on the cognitivist and the enactive paradigms in cognitive science. It is argued that, although the two categories of grounding approaches differ in their nature and the problems they have to face, both, so far, fail to provide fully grounded systems for similar reasons: Only isolated parts of systems are grounded, whereas other, essential, parts are left ungrounded. Hence, it is further argued that grounding should instead be understood and approached as radical bottom-up development of complete robotic agents in interaction with their environment.

  • 7178.
    Åström, Joachim
    et al.
    Örebro University, School of Humanities, Education and Social Sciences.
    Grönlund, Åke
    Örebro University, Swedish Business School at Örebro University.
    Online consultations in local government: what works, when, and why?2011In: Connecting democracy: online consultation and the flow of political communication / [ed] Stephen Coleman, Peter M. Shane, Cambridge, MA: MIT Press, 2011, 75-96 p.Chapter in book (Refereed)
  • 7179.
    Åström, Mattias
    University of Skövde, Department of Computer Science.
    Faktorer som orsakar misslyckade data warehousingprojekt2002Independent thesis Advanced level (degree of Master (One Year))Student thesis
    Abstract [sv]

    Eftersom så många organisationer och företag använder sig av data warehouses idag kan inte innehavet av data warehouses räknas som ett strategiskt övertag, utan en strategisk nödvändighet för företagen eller organisationerna. Att införa ett data warehouse kräver dock stort engagemang från alla inblandade i projektet och ett misslyckande kostar företaget mycket resurser och kapital.

    Detta arbete undersöker vilka faktorer som främst bidrar till att ett data warehousingprojekt misslyckas. En litteraturstudie genomförs där misslyckade fall samt litteratur som beskriver författares generella uppfattningar angående faktorer med potentiell risk att orsaka ett misslyckat data warehousingprojekt undersöks. Undersökningen leder fram till en lista med faktorer som anses ha stor potential att orsaka ett misslyckande. Att identifera dessa faktorer bidrar till att organisationer och företag får möjligheten att i ett tidigt skede av projektet förhindra att dessa uppstår, vilket kan spara stora ekonomiska resurser.

  • 7180. Çelaj, Ilir
    et al.
    Rusu, Lazar
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    IT outsourcing relationships in Swedish public organizations2014In: Perspectives in Business Informatics Research: Proceedings, Springer, 2014, 15-29 p.Conference paper (Refereed)
    Abstract [en]

    Information technology (IT) is not only beneficial for the private sector but has a lot to offer for the public sector as well. However, most of the studies in IT outsourcing relationships consider only the private sector and do not pay attention to the public sector. In this context, the research has looked to determine the influential factors in IT outsourcing relationships in Swedish public organizations like are Swedish municipalities and classified them according to the importance. The research methodology used has included a survey among IT outsourcing decision makers from Swedish municipalities and a case study in a Swedish municipality. The survey has revealed that trust, cooperation, commitment, communication, and flexibility are the top five most important factors which are influencing the provider-recipient IT outsourcing relationship in Swedish municipalities. While the case study has revealed that all the factors that were identified during the literature review are influencing the provider-recipient IT outsourcing relationship in Swedish municipalities plus the identification of two new factors which are legislation and economy/money.

  • 7181.
    Öberg, Lena-Maria
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Traceable Information Systems: Factors That Improve Traceability Between Information and Processes Over Time2007Licentiate thesis, comprehensive summary (Other academic)
    Abstract [en]

    Preservation of information is not a new issue but preservation of digital information has a relatively short history. Since the 60’s when computers began to be used within administration, digital information that has had to be preserved over time.The problem addressed in this research is how to preserve understandable information over time. Information is context dependent, which means that without context it is not possible to use the information. Process is one part of the context. And an important issue when preserving information is then to be able to trace an information

    object to the process where in it has been created and managed. Associating information to a particular process creates the possibility of relating information objects to each other and also to the context in which the information has been created and used. The aim of this thesis is to identify and structure factors that can improve the traceability between information and processes over time. A set of factors based on case studies and a set of analytical methods are presented that can improve the traceability over time. These factors have been identified and structured by the use of the Synergy-4 model. They have been identified within four different spheres namely: competence, management, organization/procedure and technology. The factors have further been structured in three different time states namely: creation time, short and middle term and long-term. The research concludes that there are a lot of factors influencing ability to preserve information. Preservation issues include selection of metadata standards, organizational culture, lack of understanding from management and formalization of documents. The conclusion is that if an organization wants to succeed in preserving traceable information they have to build strategies that cover the issues from a range of different angles. This thesis suggests that crucial angles are competence, management, organization/procedure

    and technology. Furthermore, the strategies must be in place at the stage of creationof the information objects.

  • 7182.
    Öhberg, Torbjörn
    Karlstad University, Faculty of Social and Life Sciences.
    Undersökning av transformationsmetoder inom Ammenäs området, Uddevalla kommun2007Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
    Abstract [en]

    In the Ammenäs area within Uddevalla municipality there are some tensions/deviation between real estate boundaries that lies in the municipality database, and the boundary coordinates that are given from the GNSS-measure equipment, (despite that both systems are in RT90 7.5 gon V).

    The real estate boundaries that lies in the database has previously been translated from Uddevalla local system U38, to RT90 7.5 gon V, and the GNSS-equipment also uses

    RT90 7.5 gon V.

    To get a homogeneous and concordant coordinate system, control points and the real estate boundaries has to be transformed to the system that the GNSS-system uses (RT90 7.5 gon V).

    To get to the best result from a transformation method, I have tried a couple of transformation methods.

    When there are such big tensions as in this case the best way to get to a good result is to transform smaller areas instead of the whole area at once.

    When you have reached an acceptable accuracy in the boundary coordinates you can perform municipality measurement assignments with coordinates from the GNSS-equipment, which was the purpose with this examination.

  • 7183.
    Öhman Persson, Jenny
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Human-Computer Interaction. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Human-Computer Interaction.
    The Obvious & The Essential: Interpreting Software Development & Organizational Change2004Doctoral thesis, monograph (Other academic)
    Abstract [en]

    Examining how our basic values affect development processes is the overall theme of this thesis. In practice, the question is investigated in relation to software development and organizational change and in research, in relation to science and its relationship to common sense, specifically within the area of Human Computer Interaction. The thesis discusses how it might be possible to discover what is essential for development processes and why the essential may be interpreted as something other than the simply obvious. This thesis examines ways of studying and understanding our social environment and development processes, particularly those concerning people, organizations and software. The empirical examples deal with a software development project and a project that scrutinized the strategy for a governmental authority’s business and information technology. Attitudes are discussed in terms of how they view the user, the customer, the software developers, the software, organizational and implementation processes, organizational management, aesthetic values, functionality and use, research, methods, paradigmatic approaches, ethical issues, psychological reactions, sociological prerequisites, categorizations of people and stress-related health consequences. One particular prerequisite for developing superior computer-supported office work has repeatedly presented itself: an open, questioning attitude towards the software development process, towards organizational change and towards the people working in the organizations. A similar attitude towards research and its design can be crucial to the development of new knowledge. This circumstance can be interpreted as an indication of how important it is that we be aware of and question our preconceived notions, in order to develop an autonomous behavior where we take responsibility for our actions. By doing so, we can avoid misinterpretations and not get trapped into making categorizations that are simply obvious. This is essential and must be emphasized in our search for the path to »healthy work«.

  • 7184.
    Öhrman, Frida
    Mälardalen University, Department of Innovation, Design and Product Development.
    Texter om QUASI-projektet: Att popularisera forskningsinformation2007Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
    Abstract [sv]

    QUASI-projektet är ett tvärvetenskapligt forskningsprojekt som inkluderar universitet och högskolor i fem europeiska länder. QUASI-samarbetet fokuserar på forskning om jästceller. Projektet avslutades i maj 2007 och de vetenskapliga resultaten ska förklaras för allmänheten. Syftet med mitt examensarbete har varit att utforma lättbegripliga texter om QUASI-projektet för att informera allmänheten om projektet och resultaten. Texterna ska publiceras på en webbsida. Min frågeställning har varit: Hur förenklar man forskningsinformation så att människor utan bakgrundskunskaper i ämnet förstår informationen på ett bra sätt? Jag har använt flera olika metoder för att komma fram till ett slutresultat. Genom att samla in litteratur och genomföra en enkätundersökning fick jag ett material att utgå från. Därefter har jag producerat mina texter, utprovat dem på tänkta användare, bearbetat och utprovat igen. Jag har även utprovat bilder i texterna, och sedan låtit en illustratör göra nya bilder. Jag har arbetat fram texter som enligt utprovningar är lättbegripliga för målgruppen. Jag blev klar med mina texter i tid och de blev godkända av uppdragsgivaren. Därmed har jag uppnått syftet med mitt examensarbete. Jag har lärt mig att det är väldigt personligt hur man populariserar forskning. Att skriva texter är ett hantverk som tar tid att lära sig. Jag har utarbetat ett sätt som fungerar bra för mig, men jag tror att alla har sina egna sätt att arbeta på. Det viktigaste är att man utprovar sitt material i flera omgångar på tänkta slutanvändare, och verkligen lyssnar på vad de har att säga och ändrar sina texter efter det.

  • 7185.
    Ökvist, Nicklas
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Informatics and Media.
    Furberg, Max
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Informatics and Media.
    Analysmodell för inbyggt dataskydd och dataskydd som standard2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 7186.
    Öman, Anne
    et al.
    University of Gothenburg, Department of Applied IT.
    Sofkova Hashemi, Sylvana
    University West, Department of Social and Behavioural Studies, Division for Educational Science and Languages.
    Design and redesign of a multimodal classroom task: implications for teaching and learning2015In: Journal of Information Technology Education, ISSN 1547-9714, E-ISSN 1539-3585, Vol. 14, no 1, 139-159 p.Article in journal (Refereed)
    Abstract [en]

    Digital technologies are increasingly implemented in Swedish schools, which impact on education in the contemporary classroom. Screen-based practice opens up for new forms and multiplicity of representations, taking into account that language in a globalized society is more than reading and writing skills. This paper presents a case study of technology-mediated instruction at the primary-school level including an analysis of the designed task and how the teacher orchestrated the digital resources during three introductory classes. The aim was also to explore the pupils’ redesigning of advertising films based on teacher’s instructions and available digital resources. Sequences of a learning trajectory were video recorded and analysed from a multimodal perspective with a focus on the designed task and the processes of how pupils orchestrate meaning through their selection and configuration of available designs. The findings show a distinction between the selection of design elements in the teacher’s orchestration of the laptop resources during instruction and the pupils’ redesigning of the task. Pupils’ work developed from the linguistic design provided by the teacher towards visual design and the use of images as the central mode of expression in the process of creating advertising films. The findings also indicate a lack of orientation towards subject content due to the teacher’s primary focus on introducing the software.

  • 7187.
    Öman, Anne
    et al.
    University of Gothenburg, Department of Applied IT.
    Svensson, Lars
    University West, Department of Economics and IT, Divison of Informatics.
    Similar products different processes: Exploring the orchestration of digital resources in a primary school project2014In: Computers and education, ISSN 0360-1315, Vol. 81, 247-258 p.Article in journal (Refereed)
    Abstract [en]

    Today, teachers and pupils are interacting with digital devices during different types of activities in theclassroom context. During such activities, dialogic interaction has a particular value as a pedagogicalpractice that helps to develop pupils' understanding. This study has explored the question: In what waysdo digital resources support dialogic and synergistic interaction?In order to explore primary schoolpupils' interaction within group activity and how they make use of the features of the laptops, theempirical material was collected through video recordings and further analysed with the interactivityanalysis framework (IAF) developed by Beauchamp and Kennewell (2010). The findings show thatalthough the products produced by the different groups of pupils were similar in a technological way (i.e.the pupils used the same modes of expression), the patterns of interaction during the group processesvaried. Two out of six groups used the digital resource as an 'object of interaction', where the tool had amore passive role during the group collaboration. The other four groups used the ICT resource as a 'toolfor interaction', where the resource became more of an interaction partner during the meaning-makingprocesses, which opened up opportunities for learning. The findings also indicate that the interplay inthese four groups between the group members and the laptop features seems to have developed thepupils' understanding of ICT resources as well as their understanding of the subject content during thegroup work. Synergistic interaction with ICT was rather rare but was observed in one of the groups

  • 7188.
    Önell, Annica
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Systems and Control. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Automatic control.
    Quantifying human balance: Analysis of force plate data1999Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    There is a lack of reliable methods for assessment of balance suited for routine use in clinical settings. The thesis focuses on analysis of force plate data for evaluation of balance during normal, unperturbed standing and sitting. Some commonly used force plate based methods during unperturbed standing are presented.

    Traditional measures, which have been used to quantify the postural sway during standing, were applied to seated children with and without spina bifida. Fundamental differences, that can not be observed visually, were found between the groups. However, the reliability on an individual level was limited since the method could not be used to distinguish between subjects from the two groups.

    It is not only of interest to measure how much the subject sways, but also what movement strategy the subject uses, that is, how he or she sways. A method for analysis of the movement strategy in the sagittal plane during standing is presented and tested. The subject's movements are compared to the movements of an inverted pendulum model. For movement analysis a kinematic measurement system is usually required, while the inverted pendulum method only needs force plate data for the analysis.

    To investigate the relationship between different force plate measures the measures were a) compared to each other and b) compared to a clinical balance test. Results on stroke patients showed that many of the measures quantify different aspects of standing. The standard deviation of the vertical ground reaction force was the only measure that was significantly correlated to the clinical balance test. Measurements on healthy adults and three groups of subjects with reduced or not fully developed balance were analysed to investigate the vertical force further. The healthy adults damped the vertical bodyoscillations caused by the heartbeats more efficiently than the other three groups.

    Finally, it was investigated under what conditions system identification can be used to model the balance system. In contrast to previous studies the model parameters were successfully estimated without any external perturbations and without a kinematic measurement system.

  • 7189.
    Östberg, Per-Olov
    et al.
    Umeå University, Faculty of Science and Technology, Department of Computing Science.
    Lockner, Niclas
    Umeå University, Faculty of Science and Technology, Department of Computing Science.
    Reducing Complexity in Service Development and Integration2015In: Cloud computing and services sciences, CLOSER 2014, Springer Berlin/Heidelberg, 2015, 63-80 p.Conference paper (Refereed)
    Abstract [en]

    The continuous growth and increasing complexity of distributed systems software has produced a need for software development tools and techniques that reduce the learning requirements and complexity of building distributed systems. In this work we address reduction of complexity in service-oriented software development and present an approach and a toolkit for multi-language service development based on three building blocks: a simplified service description language, an intuitive message serialization and transport protocol, and a set of code generation techniques that provide boilerplate environments for service implementations. The toolkit is intended for use in the eScience domain and is presented along with a performance evaluation that quantifies toolkit performance against that of selected alternative toolkits and technologies for service development. Toolkit performance is found to be comparable to or improve upon the performance of evaluated technologies.

  • 7190.
    Österberg, Patrik
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
    Fair Treatment of Multicast Sessions and Their Receivers: Incentives for more efficient bandwidth utilization2007Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Media-streaming services are rapidly gaining in popularity, and new ones are knocking on the door. Standard-definition Internet protocol television (IPTV) has already entered many living rooms, and high-definition IPTV will become common property in the not too distant future. Then even more advanced and resource-demanding services, such as three-dimensional and free-view TV, are next in line. Video streaming is by nature extremely bandwidth intensive, and this development will put the existing network infrastructure to the test.

    In scenarios where many receivers are simultaneously interested in the same data, which is the case with popular live content, multicast transmission is more bandwidth efficient than unicast. The reason is that the receivers of a multicast session share the resources through a common transmission tree where data are only transmitted once along any branch. The use of multicast transmission can therefore yield huge bandwidth savings. There are however no really strong incentives for the Internet service providers (ISPs) to support multicast transmission, and the deployment has consequently been slow.

    We propose that more bandwidth is allocated to multicast flows in the case of network congestion. The ratio is based upon the number of receivers and the bitrate that they are able to obtain, since this is what determines the degree of resource sharing. We believe that it is fair to take this into account, and accordingly call the proposed allocation multicast-favorable max-min fair. Further, we present two bandwidth-allocation policies that utilize different amount of feedback to perform allocations that are reasonable close to be multicast-favorable max-min fair.

    We also propose two cost-allocation mechanisms that build upon the assumption that the cost for data transmission should be covered by the receivers. The mechanisms charge the receivers based on their share of the resources usage, which in general is favorable to multicast receivers. The two cost-allocation mechanisms differ in that one strives for optimum fair cost allocations, whereas the other might give discounts to some receivers. The discounts facilitate larger groups of receivers, which can provide cheaper services for the non-discounted receivers as well.

    The proposals make multicast transmission more attractive to the users of media-streaming services. If the proposals were implemented in multicast-enabled networks, the rest of the ISPs would be forced to support multicast, to stay competitive.

  • 7191.
    Östlund, Christian
    University West, Department of Economics and IT, Divison of Informatics.
    E-learning use patterns in the workplace: Web logs from interaction with a web based lecture2012In: International Journal of Advanced Corporate Learning, ISSN 1867-5565, Vol. 5, no 4, 4-8 p.Article in journal (Refereed)
    Abstract [en]

    When designing for e-learning the objective is todesign for learning i.e. the technology supporting thelearning activity should aid and support the learningprocess and be an arena where learning is likely to occur. Toobtain this when designing e-learning for the workplace theauthor argue that it is important to have knowledge on howusers actually access and use e-learning systems. In order togain this knowledge web logs from a web lecture developedfor a Scandinavian public body has been analyzed. During aperiod of two and a half months 15 learners visited the weblecture 74 times. The web lecture consisted of streamingvideo with exercises and additional links to resources on theWWW to provide an opportunity to investigate the topicfrom multiple perspectives. The web lecture tookapproximately one hour to finish. Using web usage miningfor the analysis seven groups or interaction patternsemerged: peaking, one go, partial order, partial unordered,single module, mixed modules, non-video modules.Furthermore the web logs paint a picture of the learningactivities being interrupted. This suggests that modulesneeds to be fine-grained (e.g. less than 8 minutes per videoclip) so learners’ do not need to waste time having to watchparts of a video clip while waiting for the part of interest toappear or having to fast forward. A clear and logicalstructure is also important to help the learner find their wayback accurately and fast.

  • 7192.
    Östlund, Christian
    et al.
    University West, Department of Economics and IT, Divison of Informatics.
    Jobe, William
    University West, Department of Economics and IT, Divison of Informatics.
    Svensson, Lars
    University West, Department of Economics and IT, Divison of Informatics.
    E-training through web lectures2014In: Proceedings of Society for Information Technology & Teacher Education International Conference 2014 / [ed] M. Searson & M. Ochoa, Chesapeake, VA: AACE , 2014, 397-402 p.Conference paper (Refereed)
    Abstract [en]

    This paper sets out to inform how technology can be designed to support formal workplace training by acknowledging the context of every day work. The research in this paper follows the approach of design science research and a design theory for e-training through web lectures emerged in collaboration with members of the county administration through four designcycles of problem awareness: conceptual suggestion, system development, and evaluation. Aframework called authentic e-learning with nine design principles was chosen as a kernel theory.The design principles were then evaluated in the context of workplace learning and after four design cycles some of the original design principles was still unaltered, some was adapted to the conditions of workplace learning and new principles emerged from the evaluation process.

  • 7193.
    Östlund, Christian
    et al.
    University West, Department of Economics and IT, Division of Computer Science and Informatics.
    Kautz, Karlheinz
    Copenhagen Business School.
    Svensson, Lars
    University West, Department of Economics and IT, Division of Computer Science and Informatics.
    Towards adapting authentic learning for formal workintegrated e-learning2009In: Proceedings of the 4th International Conference on Design Science Research in Information Systems and Technology, DESRIST '09, 2009, Aricle 29- p.Conference paper (Other academic)
    Abstract [en]

    This poster reports from the initial steps of formulating a prescriptive design theory to support the development of scholastic/formal work-integrated e-learning systems. For this purpose a framework for authentic learning, developed andevaluated in a school setting and the eight components of design theories by Gregor and Jones has been used to guide two elearning activities in a work setting. Adapting authentic learning to a formal work-integrated e-learning context calls for a simplification of the framework where some elements of authentic learning become peripheral whereas others become more central. Copyright 2009 ACM.

  • 7194. Östlund, Johan
    et al.
    Wrigstad, Tobias
    Clarke, Dave
    Åkerblom, Beatrice
    Stockholm University, Faculty of Social Sciences, Department of Computer and Systems Sciences.
    Ownership, Uniqueness, Immutability2008In: 46th International Conference on Objects, Models, Components, Patterns (TOOLS-Europe), 2008Conference paper (Refereed)
    Abstract [en]

    Programming in an object-oriented language demands a fine balance between flexibility and control. At one level, objects need to interact freely to achieve our implementation goals. At a higher level, architectural constraints that ensure the system can be understood by new developers and can evolve as requirements change must be met. To resolve this tension, researchers have developed type systems expressing ownership and behavioural restrictions such as immutability. This work reports on our consolidation of the resulting discoveries into a single programming language. Our language, Joe_3, imposes little additional syntactic overhead, yet can encode powerful patterns such as fractional permissions and the reference modes of Flexible Alias Protection.

  • 7195.
    Östlund, Martin
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Axelsson, Clara
    Linnaeus University, Faculty of Health, Social Work and Behavioural Sciences, School of Health and Caring Sciences.
    Johansson, Pauline
    Linnaeus University, Faculty of Health, Social Work and Behavioural Sciences, School of Health and Caring Sciences.
    Johnsson, Stefan
    Lagerlund, Magnus
    Widell, Ingela
    Wilde Björling, Camilla
    Using computer tablets to empower breast cancer patients undergoing radiation therapy treatment2012Conference paper (Refereed)
    Abstract [en]

    BackgroundEfficient information dispersal and effective communication are key issues in increasing quality of care for patients undergoing radiation therapy. Radiation therapy consists of daily treatment sessions every weekday for 4-6 weeks. Although this means that patients are in daily contact with nursing staff, there is little time at these quick in-and-out sessions to address any substantive issues beyond the mechanics of the actual treatment procedure. Our aim is to explore the potential usefulness of computer tablets as an enabling device for making patient-staff information interchange more accessible and efficient. We are especially interested in investigating the empowerment effects that we believe will follow when making it easier for patients to influence the course of their treatment.

    MethodsFrom april to june 2012 all breast cancer patients scheduled for adjuvant radiation therapy treatment at the county hospital in Kalmar (Sweden) will be offered the opportunity to borrow a tablet computer during the course of their treatment. The tablet offers secure access to a web site containing illness-, treatment- and clinic-specific information, including a number of videos demonstrating the treatment procedure; a secure discussion forum in which patients can ask questions to staff; and a set of automatically processed surveys that provide staff with instant feedback from patients. Post-treatment interviews will be conducted with participating patients as well as with the staff on their respective experience of using the tablets. Patients will also fill out a survey and user logs from the web site will be analyzed to determine usage patterns.

    ResultsAt the time of writing we have started off the first couple of patients. Initial reactions are positive from both patients and staff. At the the time of the conference we will have evaluated the first set of patients and be able to present the results of this. We expect to see patients that are more confident and less anxious by being better prepared for their treatment both factually and emotionally. For the medical staff, we expect to see that the instant feedback provided by patients, via the questions they ask and the survey answers they submit, will allow staff to react more swiftly and more accurately to meet the patients’ needs and wants, and in so doing provide both better medical care and better emotional support.

    ConclusionsComputer tablets offer an efficient and accessible way for patients to inform themselves and to communicate with staff. The instant feedback from patients provides staff with the input they need to provide the best possible care, both medically and in providing emotional support. The sense of control, and actual control, over the course of their treatment that this will bring to patients, we believe will lead to a sense of empowerment that will help them better deal with the emotionally taxing experience it is to undergo treatment for a life-threatening condition.

  • 7196.
    Östlund, Matilda
    et al.
    Linköping University, Department of Management and Engineering. Linköping University, Faculty of Arts and Sciences.
    Josefsson, Anna
    Linköping University, Department of Management and Engineering. Linköping University, Faculty of Arts and Sciences.
    Standardisering kontra flexibilitet: En fallstudie av utvecklingsprocesser2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Process standardization is a topic that has generated a lot of research and literature. At first, the focus was on production; today processes are used in all different kind of business areas.The aim of this study has been to analyze how processes can be applied on development businesses and how IT systems affect the result of the process. To accomplish this, we have asked questions such as what standardization is in a development process? Why are the processes standardized? What difficulties can appear with standardization? And how the IT-systems affect the result of the process?To answer these questions, we have preformed a case study on Saab. Saab is a well know Swedish company who are working with a project called the GMS-project, where they develop processes to cover the whole company´s business areas.The literature gives the reader an understanding of processes and standardization. Further on it gives a perspective on how IT and processes should be integrated as well as a perspective on quality in processes.The result of this study shows that Saab focus on standardization of milestones, concepts and language, when designing processes for development. Through this, they want to accomplish better collaboration. The study also shows the difficulties in development processes compared with production. The main differences are that development processes needs to have built in flexibility and room for the employees to take initiatives. This makes it hard to standardize mode of operation, in a development process. For IT to be a support for the development process, it requires an adaptation of both the process and IT systems. On Saab there are different opinions on how the adaption should be organized. This study points out some specific reasons that it is hard to predict it the system or the process should be adapted. Instead, common sense should be used while adapting IT and process.

  • 7197.
    Övelius, Erika
    University of Skövde, Department of Computer Science.
    Dynamics, Information System and Maintenance: drivers for change at the level of the individual1999Independent thesis Advanced level (degree of Master (One Year))Student thesis
    Abstract [en]

    A lot of factors inside and outside the organisation forces the organisation and the indiviudals working in the organisation to change. The aim of this work is to get an understanding of the relationship between change, maintenance and information. To reach that aim the objectives are to examine what kind of external and internal factors there are that causes change in user demands and to see how these new demands can be handled inside the organisation. It becomes harder and harder to adapt to changes due to the fast acceleration of change, therefore it is important to become aware of what kind of factors result in new user demands and needs. Nine change factors on the organisational level were identified based on a literature study. An analysis of the differences between the organisation and the indiviudal (organism) level established a gorund for identifying factors on the level of the individual.

  • 7198.
    Övelius, Erika
    University of Skövde, Department of Computer Science.
    Upphandling av standardsystem: en företagsstudie1998Independent thesis Basic level (degree of Bachelor)Student thesis
    Abstract [sv]

    Vid nya systeminvesteringar blir det idag allt vanligare att standardsystem väljs framför egenutveckling av ett skräddarsytt system. Införande av ett standardsystem påverkar verksamheten i lika hög grad som införande av ett egenutvecklat system gör. Det är viktigt att upphandlingsprocessen planeras och genomförs väl.

    I takt med att standardsystemen har utvecklats så har även forskningen på området ökat. Detta har resulterat i att ett antal modeller för upphandling av standardsystem har växt fram, dels för att underlätta arbetet med att inhandla ett standardsystem, dessutom kan en modell stärka kundens förhållande till leverantören.

    Arbetets främsta mål är att undersöka hur arbetsprocessen för upphandling av standardsystem går till idag. Vad anser företag är viktigt att behandla under upphandlingsprocessen, vilka likheter finns mellan företagen och vad skiljer sig åt. I rapporten beskrivs 6 olika upphandlingssituationer. Jag har valt att intervjua företag som inte har använt sig av en modell i upphandlingsprocessen. Detta för att en jämförelse skall kunna genomföras. En jämförelse av företagens upphandlingsprocess med den process som användandet av en modell skulle ge. Den modell som jag har valt att jämföra företagens upphandlingsprocess med är Standardsystem i Verksamheten (SIV-modellen).

    Med min undersökning som grund anser jag att företag inte nödvändigtvis behöver arbeta med en standardiserad modell vid upphandling av standardsystem. Det viktiga är att arbeta strukturerat och metodiskt och planera upphandlingsprocessen väl. Detta anser jag att i stort sett alla de intervjuade företagen har gjort.

    Rapporten tar därutöver även upp standardsystem i allmänhet. Vad är ett standardsystem, vilka för- och nackdelar finns det med ett inköp av ett standardsystem. Slutligen kommenterar jag vilka erfarenheter och slutsatser som kan dras utav mitt arbete.

  • 7199.
    ICT and inclusive education in primary schools: Pupils with motor disabilities2008In: Journal of Assistive Technologies, ISSN 1754-9450, Vol. 2, no 3, 16-23 p.Article in journal (Refereed)
    Abstract [en]

    The article is based on a study on ICT and children with motor disabilities in primary schools. The study focuses on ICT as a pedagogical ltool for learning at school.

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