Search (650 results, page 1 of 33)

  • × year_i:[2000 TO 2010}
  • × theme_ss:"Suchmaschinen"
  1. Rogers, R.: Zur Frage der Vergoogelung : Hin zu einer unkritisierbaren Maschine? (2009) 0.03 
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    Pages
    S.193-206
    Source
    Deep Search: Politik des Suchens jenseits von Google; Deep Search-Konferenz, Wien, 2008.11.08; eine Veröffentlichung des World-Information Institute. Hrsg.: K. Becker u. F. Stalder
    Type
    a
  2. Breyer, K.: Kommerz statt Information (2002) 0.03 
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    Date
    9. 5.2002 21:21:22
    Source
    PC professionell. 2002, H.6, S.122-129
    Type
    a
  3. Williamson, N.J.: Knowledge structures and the Internet : progress and prospects (2006) 0.03 
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    Abstract
    This paper analyses the development of the knowledge structures provided as aids to users in searching the Internet. Specific focus is given to web directories, thesauri and gateways and portals. The paper assumes that users need to be able to access information in two ways - to locate information on a subject directly in response to a search term and to be able to browse so as to familiarize themselves with a domain or to refine a request. Emphasis is to the browsing aspect. Background and development are addressed. Structures are analyzed, problems are identified, and future directions discussed.
    Date
    27.12.2008 15:56:22
    Pages
    S.213-224
    Source
    Knowledge organization for a global learning society: Proceedings of the 9th International ISKO Conference, 4-7 July 2006, Vienna, Austria. Hrsg.: G. Budin, C. Swertz u. K. Mitgutsch
    Type
    a
  4. Boldi, P.; Santini, M.; Vigna, S.: PageRank as a function of the damping factor (2005) 0.03 
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    Abstract
    PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor alpha that spreads uniformly part of the rank. The choice of alpha is eminently empirical, and in most cases the original suggestion alpha=0.85 by Brin and Page is still used. Recently, however, the behaviour of PageRank with respect to changes in alpha was discovered to be useful in link-spam detection. Moreover, an analytical justification of the value chosen for alpha is still missing. In this paper, we give the first mathematical analysis of PageRank when alpha changes. In particular, we show that, contrarily to popular belief, for real-world graphs values of alpha close to 1 do not give a more meaningful ranking. Then, we give closed-form formulae for PageRank derivatives of any order, and an extension of the Power Method that approximates them with convergence O(t**k*alpha**t) for the k-th derivative. Finally, we show a tight connection between iterated computation and analytical behaviour by proving that the k-th iteration of the Power Method gives exactly the PageRank value obtained using a Maclaurin polynomial of degree k. The latter result paves the way towards the application of analytical methods to the study of PageRank.
    Date
    16. 1.2016 10:22:28
    Type
    a
  5. Dresel, R.; Hörnig, D.; Kaluza, H.; Peter, A.; Roßmann, A.; Sieber, W.: Evaluation deutscher Web-Suchwerkzeuge : Ein vergleichender Retrievaltest (2001) 0.03 
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    Abstract
    Die deutschen Suchmaschinen, Abacho, Acoon, Fireball und Lycos sowie die Web-Kataloge Web.de und Yahoo! werden einem Qualitätstest nach relativem Recall, Precision und Availability unterzogen. Die Methoden der Retrievaltests werden vorgestellt. Im Durchschnitt werden bei einem Cut-Off-Wert von 25 ein Recall von rund 22%, eine Precision von knapp 19% und eine Verfügbarkeit von 24% erreicht
    Footnote
    Vgl. auch den Bericht in: nfd 53(2002) H.2, S.71
    Source
    nfd Information - Wissenschaft und Praxis. 52(2001) H.7, S.381-392
    Type
    a
  6. Milne, R.: ¬The Google Library Project at Oxford (2005) 0.03 
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    Pages
    S.23-28
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  7. MacLeod, R.: Promoting a subject gateway : a case study from EEVL (Edinburgh Engineering Virtual Library) (2000) 0.03 
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    Abstract
    Describes the development of EEVL and outlines the services offered. The potential market for EEVL is discussed, and a case study of promotional activities is presented
    Date
    22. 6.2002 19:40:22
    Source
    Online information review. 24(2000) no.1, S.59-63
    Type
    a
  8. Mayer, K.: Zur Soziometrik der Suchmaschinen : ein historischer Überblick der Methodik (2009) 0.02 
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    Pages
    S.64-83
    Source
    Deep Search: Politik des Suchens jenseits von Google; Deep Search-Konferenz, Wien, 2008.11.08; eine Veröffentlichung des World-Information Institute. Hrsg.: K. Becker u. F. Stalder
    Type
    a
  9. Donlan, R.; Cooke, R.: Running with the devil : accessing library-licensed full text holdings through Google Scholar (2005) 0.02 
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    Abstract
    Linking full-text proprietary databases with Google Scholar revealed three significant limitations in terms of precision (no subject heading search), transparency (no listing of information sources), and visibility (Google Scholar details are hard to find). Google Scholar is not a "one stop shopping" search engine that retrieves all relevant data from a library's licensed content. Despite these shortcomings, Google Scholar is a worthwhile search option for students, which may steer them away from Web resources, and towards the library's catalog and databases.
    Pages
    S.149-157
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  10. Force, R.: Image: Google's most important product (2005) 0.02 
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    Abstract
    In a few short years, Google has become one of the world's best known brands. Its strategies to preserve the brand image pose a challenge for information professionals who attempt to present Google's capabilities in a factual manner.
    Pages
    S.205-209
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  11. Cathcart, R.; Roberts, A.: Evaluating Google Scholar as a tool for information literacy (2005) 0.02 
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    Abstract
    There are a growing number of articles on the juncture of Google Scholar and libraries; this article seeks to address the ability of this resource to meet the information needs of students and researchers using the ACRL Information Literacy Standards. Each standard is applied to Google Scholar in this examination, and recommendations for how librarians might respond are offered.
    Pages
    S.167-176
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  12. Anderson, R.: ¬The (uncertain) future of libraries in a Google world : sounding an alarm (2005) 0.02 
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    Abstract
    Libraries are in competition with other entities that provide information access to students, scholars and the general public. This constitutes a radical change in the information environment. The library profession's failure to take seriously the change that has taken place in the information environment, and to respond with fundamental changes of its own, may well spell disaster for the library as we know it.
    Pages
    S.29-36
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  13. Phipps, S.E.; Maloney, K.: Choices in the paradigm shift : where next for libraries? (2005) 0.02 
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    Abstract
    External factors are forcing libraries to seriously evaluate and redefine their purpose within higher education. Libraries have identified themselves as gateways to information. Google, and other Internet search tools, have changed the need and importance of the gatekeeper role in libraries. The authors argue that libraries have a role that is broader than that of gatekeeper. It is necessary to move beyond our existing mental models and truly redefine our unique role based on the needs within the external environment. To develop this broader role, libraries must develop collaborative relationships and leverage existing tools and services.
    Pages
    S.103-115
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  14. Ganslmayer, K.: Google: Finden, was Google nicht sieht (2006) 0.02 
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    Chip. 2006, H.7, S.202-206
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    a
  15. Force, R.: Keeping up with Google : Resources and strategies for staying ahead of the pack (2005) 0.02 
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    Abstract
    Librarians need to be the Google experts in their community since it enables librarians to be more competent in educating users. To keep up with the developments of Google the authors reviewed eleven Web sites and blogs and create a strategy for keeping up using these sites. Three are highly recommended for a keeping-up regimen. The authors also suggest that librarians either use search engine alerting services or RSS technology to deliver news feeds into a news aggregator in their keeping-up regimen.
    Pages
    S.211-223
    Source
    Libraries and Google. Eds.: Miller, W. u. R.M. Pellen
    Type
    a
  16. Web-2.0-Dienste als Ergänzung zu algorithmischen Suchmaschinen (2008) 0.02 
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    Content
    Das Buchprojekt entstand im Rahmen des Forschungsprojektes Theseus (Teilprojekt Alexandria). - Als Online Publikation vgl.: http://www.bui.haw-hamburg.de/fileadmin/user_upload/lewandowski/Web20-Buch/lewandowski-maass.pdf. Rez. in: ZfBB 56(2009) H.2, S.134-135 (K. Lepsky)
    Editor
    Lewandowski, D. u. C. Maaß
    Pages
    IX, 189 S
    Type
    s
  17. Wolff, C.: Effektivität von Recherchen im WWW : Vergleichende Evaluierung von such- und Metasuchmaschinen (2000) 0.02 
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    Pages
    S.31-48
    Source
    Informationskompetenz - Basiskompetenz in der Informationsgesellschaft: Proceedings des 7. Internationalen Symposiums für Informationswissenschaft (ISI 2000), Hrsg.: G. Knorz u. R. Kuhlen
    Type
    a
  18. Hoffmann, U.: Jeeves und die schlaue Nuss finden (fast) alles! (2002) 0.02 
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    Source
    Prisma. 2002, H.34, S.31,47
    Type
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  19. Bharat, K.: SearchPad : explicit capture of search context to support Web search (2000) 0.02 
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    Computer networks. 33(2000) nos.1/6, S.493-501
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  20. Gardner, T.; Iannella, R.: Architecture and software solutions (2000) 0.02 
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    Date
    22. 6.2002 19:38:24
    Source
    Online information review. 24(2000) no.1, S.35-39
    Type
    a

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