Search (44 results, page 1 of 3)

  • × language_ss:"e"
  • × theme_ss:"Retrievalstudien"
  • × year_i:[2000 TO 2010}
  1. Mettrop, W.; Nieuwenhuysen, P.: Internet search engines : fluctuations in document accessibility (2001) 0.01 
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    Abstract
    An empirical investigation of the consistency of retrieval through Internet search engines is reported. Thirteen engines are evaluated: AltaVista, EuroFerret, Excite, HotBot, InfoSeek, Lycos, MSN, NorthernLight, Snap, WebCrawler and three national Dutch engines: Ilse, Search.nl and Vindex. The focus is on a characteristics related to size: the degree of consistency to which an engine retrieves documents. Does an engine always present the same relevant documents that are, or were, available in its databases? We observed and identified three types of fluctuations in the result sets of several kinds of searches, many of them significant. These should be taken into account by users who apply an Internet search engine, for instance to retrieve as many relevant documents as possible, or to retrieve a document that was already found in a previous search, or to perform scientometric/bibliometric measurements. The fluctuations should also be considered as a complication of other research on the behaviour and performance of Internet search engines. In conclusion: in view of the increasing importance of the Internet as a publication/communication medium, the fluctuations in the result sets of Internet search engines can no longer be neglected.
  2. Oppenheim, C.; Morris, A.; McKnight, C.: ¬The evaluation of WWW search engines (2000) 0.01 
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    Abstract
    The literature of the evaluation of Internet search engines is reviewed. Although there have been many studies, there has been little consistency in the way such studies have been carried out. This problem is exacerbated by the fact that recall is virtually impossible to calculate in the fast changing Internet environment, and therefore the traditional Cranfield type of evaluation is not usually possible. A variety of alternative evaluation methods has been suggested to overcome this difficulty. The authors recommend that a standardised set of tools is developed for the evaluation of web search engines so that, in future, comparisons can be made between search engines more effectively, and that variations in performance of any given search engine over time can be tracked. The paper itself does not provide such a standard set of tools, but it investigates the issues and makes preliminary recommendations of the types of tools needed
  3. Harman, D.K.: ¬The TREC test collections (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  4. Buckley, C.; Voorhees, E.M.: Retrieval system evaluation (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  5. Voiskunskii, V.G.: Evaluation of search results (2000) 0.00 
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    Source
    Encyclopedia of library and information science. Vol.66, [=Suppl.29]
  6. Harman, D.K.: ¬The TREC ad hoc experiments (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  7. Robertson, S.; Callan, J.: Routing and filtering (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  8. Beaulieu, M.: Approaches to user-based studies in information seeking and retrieval : a Sheffield perspective (2003) 0.00 
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    Source
    Journal of information science. 29(2003) no.4, S.239-248
  9. Harman, D.K.: Beyond English (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  10. Voorhees, E.M.; Garofolo, J.S.: Retrieving noisy text (2005) 0.00 
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    29. 3.1996 18:16:49
  11. Voorhees, E.M.; Harman, D.: Overview of the Sixth Text REtrieval Conference (TREC-6) (2000) 0.00 
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    Date
    11. 8.2001 16:22:19
  12. Bar-Ilan, J.: ¬The Web as an information source on informetrics? : A content analysis (2000) 0.00 
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    Theme
    Internet
  13. Lazonder, A.W.; Biemans, H.J.A.; Wopereis, I.G.J.H.: Differences between novice and experienced users in searching information on the World Wide Web (2000) 0.00 
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    Theme
    Internet
  14. Palmquist, R.A.; Kim, K.-S.: Cognitive style and on-line database search experience as predictors of Web search performance (2000) 0.00 
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    Theme
    Internet
  15. Serrano Cobos, J.; Quintero Orta, A.: Design, development and management of an information recovery system for an Internet Website : from documentary theory to practice (2003) 0.00 
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  16. Savoy , J.: Cross-language information retrieval : experiments based an CLEF 2000 corpora (2003) 0.00 
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    Abstract
    Search engines play an essential role in the usability of Internet-based information systems and without them the Web would be much less accessible, and at the very least would develop at a much slower rate. Given that non-English users now tend to make up the majority in this environment, our main objective is to analyze and evaluate the retrieval effectiveness of various indexing and search strategies based on test-collections written in four different languages: English, French, German, and Italian. Our second objective is to describe and evaluate various approaches that might be implemented in order to effectively access document collections written in another language. As a third objective, we will explore the underlying problems involved in searching document collections written in the four different languages, and we will suggest and evaluate different database merging strategies capable of providing the user with a single unique result list.
  17. Voorhees, E.M.: Question answering in TREC (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  18. Cormack, G.V.; Clarke, C.L.A.; Palmer, C.R.; Lynam, T.R.: MultiText experiments for TREC (2005) 0.00 
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    Date
    29. 3.1996 18:16:49
  19. Dumais, S.T.; Belkin, N.J.: ¬The TREC interactive tracks : putting the user into search (2005) 0.00 
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  20. Hawking, D.; Craswell, N.: ¬The very large collection and Web tracks (2005) 0.00 
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    Date
    29. 3.1996 18:16:49

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