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Integrating Ontology Debugging and Matching into the eXtreme Design Methodology
Linköping University, Department of Computer and Information Science, Database and information techniques. Linköping University, The Institute of Technology. (Swedish e-Science Research Centre)
Linköping University, Department of Computer and Information Science, Database and information techniques. Linköping University, The Institute of Technology. (Swedish e-Science Research Centre)ORCID iD: 0000-0002-9084-0470
Linköping University, Department of Computer and Information Science, Human-Centered systems. Linköping University, Faculty of Science & Engineering. (Swedish e-Science Research Centre)ORCID iD: 0000-0003-0036-6662
2015 (English)In: Proceedings of the 6th Workshop on Ontology and Semantic Web Patterns (WOP 2015) / [ed] Eva Blomqvist; Pascal Hitzler; Adila Krisnadhi; Tom Narock; Monika Solanki, Rheinisch-Westfaelische Technische Hochschule Aachen University , 2015Conference paper, Published paper (Refereed)
Abstract [en]

Ontology design patterns (ODPs) and related ontology development methodologies were designed as ways of sharing and reusing best practices in ontology engineering. However, while the use of these reduces the number of issues in the resulting ontologies defects can still be introduced into the ontology due to improper use or misinterpretation of the patterns. Thus, the quality of the developed ontologies is still a major concern. In this paper we address this issue by describing how ontology debugging and matching can be integrated in a state-of-the-art ontology development methodology based on ontology design patterns- the eXtreme Design methodology, and show the advantages in a case study based on a real world ontology.

Place, publisher, year, edition, pages
Rheinisch-Westfaelische Technische Hochschule Aachen University , 2015.
Series
CEUR Workshop Proceedings, ISSN 1613-0073 ; 1461
National Category
Media and Communication Technology
Identifiers
URN: urn:nbn:se:liu:diva-121794OAI: oai:DiVA.org:liu-121794DiVA: diva2:859379
Conference
6th Workshop on Ontology and Semantic Web Patterns (WOP 2015), Bethlehem, Pensylvania, USA, October 11, 2015
Funder
EU, FP7, Seventh Framework Programme, FP7-IP-608142CUGS (National Graduate School in Computer Science)Swedish e‐Science Research Center
Available from: 2015-10-06 Created: 2015-10-06 Last updated: 2017-08-21Bibliographically approved
In thesis
1. Completion of Ontologies and Ontology Networks
Open this publication in new window or tab >>Completion of Ontologies and Ontology Networks
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The World Wide Web contains large amounts of data, and in most cases this data has no explicit structure. The lack of structure makes it difficult for automated agents to understand and use such data. A step towards a more structured World Wide Web is the Semantic Web, which aims at introducing semantics to data on the World Wide Web. One of the key technologies in this endeavour are ontologies, which provide a means for modeling a domain of interest and are used for search and integration of data.

In recent years many ontologies have been developed. To be able to use multiple ontologies it is necessary to align them, i.e., find inter-ontology relationships. However, developing and aligning ontologies is not an easy task and it is often the case that ontologies and their alignments are incorrect and incomplete. This can be a problem for semantically-enabled applications. Incorrect and incomplete ontologies and alignments directly influence the quality of the results of such applications, as wrong results can be returned and correct results can be missed. This thesis focuses on the problem of completing ontologies and ontology networks.

The contributions of the thesis are threefold. First, we address the issue of completing the is-a structure and alignment in ontologies and ontology networks. We have formalized the problem of completing the is-a structure in ontologies as an abductive reasoning problem and developed algorithms as well as systems for dealing with the problem. With respect to the completion of alignments, we have studied system performance in the Ontology Alignment Evaluation Initiative, a yearly evaluation campaign for ontology alignment systems. We have also addressed the scalability of ontology matching, which is one of the current challenges, by developing an approach for reducing the search space when generating the alignment.Second, high quality completion requires user involvement. As users' time and effort are a limited resource we address the issue of limiting and facilitating user interaction in the completion process. We have conducted a broad study of state-of-the-art ontology alignment systems and identified different issues related to the process. We have also conducted experiments to assess the impact of user errors in the completion process.

While the completion of ontologies and ontology networks can be done at any point in the life-cycle of ontologies and ontology networks, some of the issues can be addressed already in the development phase. The third contribution of the thesis addresses this by introducing ontology completion and ontology alignment into an existing ontology development methodology.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2017. 65 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1852
Keyword
knowledge representation, ontology, ontology engineering, ontology debugging, ontology completion, ontology matching, description logics
National Category
Computer Science
Identifiers
urn:nbn:se:liu:diva-139487 (URN)10.3384/diss.diva-139487 (DOI)978-91-7685-522-5 (ISBN)
Public defence
2017-09-26, Ada Lovelace, Linköping University, Linköping, 13:15 (English)
Opponent
Supervisors
Funder
Swedish e‐Science Research CenterSwedish Research Council, 2010-4759CUGS (National Graduate School in Computer Science)EU, FP7, Seventh Framework Programme, FP7-IP-608142
Available from: 2017-08-22 Created: 2017-08-21 Last updated: 2017-08-29Bibliographically approved

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