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Effektiv sökning med Google: en jämförelse i återvinningseffektivitet mellan enkel och avancerad sökning
University of Borås, Swedish School of Library and Information Science.
2006 (Swedish)Independent thesis Advanced level (degree of Master (One Year))Student thesisAlternative title
Powerful searching with Google : a comparing study of the retrieval performance between basic and advanced search (English)
Abstract [en]

The purpose with this essay is to evaluate the retrieval performance between Googles basic search and the advanced search functions. A secondary purpose is to evaluate the differences between the binary relevance scale and a 4- point scale. The basic search is defined as a search with two terms combined with the Boolean operator AND. The advanced search is based on search functions that are adequate to compare to the basic search. They are categorized as AND-searches, OR-searches, AND and OR-searches, exact phrase, and depending on where the terms occur on the page. The search strategies have been tested with twenty specific topics from a test data base. The measures used are two different types of precision, taking consideration both to total points and ranking efficiency. The results show small differences in retrieval performance between the strategies, both in total points and ranking efficiency. Even if the search functions showed some variation in performance compared to the basic search, the difference was never higher than 25 %, except for the AND-searches. The results show little differences also between the strategies with the binary relevance scale. The essay gives a indication that its possible to retrieve high efficiency in narrow topics with a few search terms. Therefore, it seems only necessary to use the advanced search functions in particular cases, such as searching for a specific quote.

Place, publisher, year, edition, pages
University College of Borås. Swedish School of Library and Information Science (SSLIS) , 2006.
Series
Magisteruppsats i biblioteks- och informationsvetenskap vid Bibliotekshögskolan/Biblioteks- och informationsvetenskap, ISSN 1404-0891 ; 2006:51
Keywords [en]
library and information science
Keywords [sv]
biblioteks- och informationsvetenskap
National Category
Social Sciences
Identifiers
URN: urn:nbn:se:hb:diva-18239Local ID: 2320/1466OAI: oai:DiVA.org:hb-18239DiVA, id: diva2:1310154
Note
Uppsatsnivå: DAvailable from: 2019-04-30 Created: 2019-04-30

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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