Search (7863 results, page 1 of 394)

  1. Álvarez, V. Pachón -> Pachón Álvarez, V.: 0.20
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    Date
    24. 6.2012 14:35:22
  2. Ackermann, E.: Piaget's constructivism, Papert's constructionism : what's the difference? (2001) 0.13
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    Content
    Vgl.: https://www.semanticscholar.org/paper/Piaget-%E2%80%99-s-Constructivism-%2C-Papert-%E2%80%99-s-%3A-What-%E2%80%99-s-Ackermann/89cbcc1e740a4591443ff4765a6ae8df0fdf5554. Darunter weitere Hinweise auf verwandte Beiträge. Auch unter: Learning Group Publication 5(2001) no.3, S.438.
  3. Gödert, W.; Hubrich, J.; Boteram, F.: Thematische Recherche und Interoperabilität : Wege zur Optimierung des Zugriffs auf heterogen erschlossene Dokumente (2009) 0.13
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    Source
    https://opus4.kobv.de/opus4-bib-info/frontdoor/index/index/searchtype/authorsearch/author/%22Hubrich%2C+Jessica%22/docId/703/start/0/rows/20
  4. Khoo, C.S.G.; Wan, K.-W.: ¬A simple relevancy-ranking strategy for an interface to Boolean OPACs (2004) 0.11
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    Abstract
    A relevancy-ranking algorithm for a natural language interface to Boolean online public access catalogs (OPACs) was formulated and compared with that currently used in a knowledge-based search interface called the E-Referencer, being developed by the authors. The algorithm makes use of seven weIl-known ranking criteria: breadth of match, section weighting, proximity of query words, variant word forms (stemming), document frequency, term frequency and document length. The algorithm converts a natural language query into a series of increasingly broader Boolean search statements. In a small experiment with ten subjects in which the algorithm was simulated by hand, the algorithm obtained good results with a mean overall precision of 0.42 and mean average precision of 0.62, representing a 27 percent improvement in precision and 41 percent improvement in average precision compared to the E-Referencer. The usefulness of each step in the algorithm was analyzed and suggestions are made for improving the algorithm.
    Content
    "Most Web search engines accept natural language queries, perform some kind of fuzzy matching and produce ranked output, displaying first the documents that are most likely to be relevant. On the other hand, most library online public access catalogs (OPACs) an the Web are still Boolean retrieval systems that perform exact matching, and require users to express their search requests precisely in a Boolean search language and to refine their search statements to improve the search results. It is well-documented that users have difficulty searching Boolean OPACs effectively (e.g. Borgman, 1996; Ensor, 1992; Wallace, 1993). One approach to making OPACs easier to use is to develop a natural language search interface that acts as a middleware between the user's Web browser and the OPAC system. The search interface can accept a natural language query from the user and reformulate it as a series of Boolean search statements that are then submitted to the OPAC. The records retrieved by the OPAC are ranked by the search interface before forwarding them to the user's Web browser. The user, then, does not need to interact directly with the Boolean OPAC but with the natural language search interface or search intermediary. The search interface interacts with the OPAC system an the user's behalf. The advantage of this approach is that no modification to the OPAC or library system is required. Furthermore, the search interface can access multiple OPACs, acting as a meta search engine, and integrate search results from various OPACs before sending them to the user. The search interface needs to incorporate a method for converting the user's natural language query into a series of Boolean search statements, and for ranking the OPAC records retrieved. The purpose of this study was to develop a relevancyranking algorithm for a search interface to Boolean OPAC systems. This is part of an on-going effort to develop a knowledge-based search interface to OPACs called the E-Referencer (Khoo et al., 1998, 1999; Poo et al., 2000). E-Referencer v. 2 that has been implemented applies a repertoire of initial search strategies and reformulation strategies to retrieve records from OPACs using the Z39.50 protocol, and also assists users in mapping query keywords to the Library of Congress subject headings."
    Source
    Electronic library. 22(2004) no.2, S.112-120
  5. Frâncu, V.; Sabo, C.-N.: Implementation of a UDC-based multilingual thesaurus in a library catalogue : the case of BiblioPhil (2010) 0.10
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    Abstract
    In order to enhance the use of Universal Decimal Classification (UDC) numbers in information retrieval, the authors have represented classification with multilingual thesaurus descriptors and implemented this solution in an automated way. The authors illustrate a solution implemented in a BiblioPhil library system. The standard formats used are UNIMARC for subject authority records (i.e. the UDC-based multilingual thesaurus) and MARC XML support for data transfer. The multilingual thesaurus was built according to existing standards, the constituent parts of the classification notations being used as the basis for search terms in the multilingual information retrieval. The verbal equivalents, descriptors and non-descriptors, are used to expand the number of concepts and are given in Romanian, English and French. This approach saves the time of the indexer and provides more user-friendly and easier access to the bibliographic information. The multilingual aspect of the thesaurus enhances information access for a greater number of online users
    Date
    22. 7.2010 20:40:56
  6. Prusa, V.: Neue Medien für Information und Dokumentation (1990) 0.10
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    Source
    Informationsmethoden: Neue Ansätze und Techniken; Deutscher Dokumentartag 1989, 4.-6.10.1989, Universität Bremen, Proceedings. Hrsg.: W. Neubauer u.a
  7. Oechtering, V.: KONDOR : ein endnutzerorientiertes Online-Recherchesystem (1990) 0.10
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    Source
    Informationsmethoden: Neue Ansätze und Techniken; Deutscher Dokumentartag 1989, 4.-6.10.1989, Universität Bremen, Proceedings. Hrsg.: W. Neubauer u.a
  8. Bibliotheken und Verlage als Träger der Informationsgesellschaft : Vorträge des 4. europäischen Bielefeld-Kolloquiums, 10.-12.2.1998 (1999) 0.10
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    Abstract
    Enthält Beiträge zu folgenden Themen: Die Verantwortung der Politik für die Förderung der Informationsgesellschaft (N. MOORE; F. BODE) - Elektronische Dokumente im Spannungsfeld zwischen Bibliotheken und Verlagen (K.-D. LEHMANN; R. ECKER) - Zugang zu Informationen - Neue Dienstleistungen für den Endnutzer: Neue Dienstleistungen der Firmen (W. LUIJENDIJK; T. RAKOW; V. THURNER; M. SLIVINSKA; B. ROYAN; G. STAAL) - Elektronisches Urheberrecht - Nächste Schritte (J. GASTER; S. NORMAN; H. HEKER) - Metadaten (R. BOURNE) - Bibliotheken in der Informationsgesellschaft - Nationale Initiativen (T. LIDMAN; C. THOMAS) - Effektive Aus- und Weiterbildung als Voraussetzung für die Meisterung der neuen Herausforderungen (H.-G. STORK; B. GALLUS; J. FURNER; M. HAINES)
    Date
    22. 4.2000 19:04:44
  9. Albert, E.: Vpliv knjiznicarjevega vedenja na uspesnost referencne sluzbe v Slovenskih splosnoizobrazevalnih knjiznicah (1998) 0.10
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    Abstract
    The authors are students of librarianship in the faculty of philosophy at Ljubljana University, Slovenia. Users were asked to describe their library visits and summarise what was most helpful and least helpful about the service received. In the list of best practices, the most frequent feature was that the staff member really listened (58,9%). Other aspects of most helpful behaviour (e.g. using different body language, showing genuine interest, willingness to investigate further) occured in less than 40% of the interviews. 3 features of least helpful behaviour were listed in more than 30% of the cases; not asking the user anything about the question and making no effort to determine the specific need, not telling the user what he/she was doing, making no effort to determine whether the user had found the relevant information
    Date
    22. 2.1999 19:29:43
  10. He, L.; Nahar, V.: Reuse of scientific data in academic publications : an investigation of Dryad Digital Repository (2016) 0.10
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    Abstract
    Purpose - In recent years, a large number of data repositories have been built and used. However, the extent to which scientific data are re-used in academic publications is still unknown. The purpose of this paper is to explore the functions of re-used scientific data in scholarly publication in different fields. Design/methodology/approach - To address these questions, the authors identified 827 publications citing resources in the Dryad Digital Repository indexed by Scopus from 2010 to 2015. Findings - The results show that: the number of citations to scientific data increases sharply over the years, but mainly from data-intensive disciplines, such as agricultural, biology science, environment science and medicine; the majority of citations are from the originating articles; and researchers tend to reuse data produced by their own research groups. Research limitations/implications - Dryad data may be re-used without being formally cited. Originality/value - The conservatism in data sharing suggests that more should be done to encourage researchers to re-use other's data.
    Date
    20. 1.2015 18:30:22
  11. Gödert, W.; Lepsky, K.: Informationelle Kompetenz : ein humanistischer Entwurf (2019) 0.10
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    Footnote
    Rez. in: Philosophisch-ethische Rezensionen vom 09.11.2019 (Jürgen Czogalla), Unter: https://philosophisch-ethische-rezensionen.de/rezension/Goedert1.html. In: B.I.T. online 23(2020) H.3, S.345-347 (W. Sühl-Strohmenger) [Unter: https%3A%2F%2Fwww.b-i-t-online.de%2Fheft%2F2020-03-rezensionen.pdf&usg=AOvVaw0iY3f_zNcvEjeZ6inHVnOK]. In: Open Password Nr. 805 vom 14.08.2020 (H.-C. Hobohm) [Unter: https://www.password-online.de/?mailpoet_router&endpoint=view_in_browser&action=view&data=WzE0MywiOGI3NjZkZmNkZjQ1IiwwLDAsMTMxLDFd].
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    Footnote
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    Source
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    Source
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    Pages
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