Search (291 results, page 3 of 15)

  • × theme_ss:"Klassifikationssysteme im Online-Retrieval"
  1. Mitchell, J.S.: Flexible structures in the Dewey Decimal Classification (1998) 0.00
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    Abstract
    Discusses how a general library classification such as the DDC can be transformed into a general knowledge organisation tool for the world-wide electronic information environment
    Type
    a
  2. Hjoerland, B.; Pedersen, K.N.: ¬A substantive theory of classification for information retrieval (2005) 0.00
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    Abstract
    Purpose - To suggest that a theory of classification for information retrieval (IR), asked for by Spärck Jones in a 1970 paper, presupposes a full implementation of a pragmatic understanding. Part of the Journal of Documentation celebration, "60 years of the best in information research". Design/methodology/approach - Literature-based conceptual analysis, taking Sparck Jones as its starting-point. Analysis involves distinctions between "positivism" and "pragmatism" and "classical" versus Kuhnian understandings of concepts. Findings - Classification, both manual and automatic, for retrieval benefits from drawing upon a combination of qualitative and quantitative techniques, a consideration of theories of meaning, and the adding of top-down approaches to IR in which divisions of labour, domains, traditions, genres, document architectures etc. are included as analytical elements and in which specific IR algorithms are based on the examination of specific literatures. Introduces an example illustrating the consequences of a full implementation of a pragmatist understanding when handling homonyms. Practical implications - Outlines how to classify from a pragmatic-philosophical point of view. Originality/value - Provides, emphasizing a pragmatic understanding, insights of importance to classification for retrieval, both manual and automatic. - Vgl. auch: Szostak, R.: Classification, interdisciplinarity, and the study of science. In: Journal of documentation. 64(2008) no.3, S.319-332.
    Type
    a
  3. Francu, V.: Construirea unui tezaur multilingv bazat pr CZU (1997) 0.00
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    Abstract
    The automation of Bucharest University Central Library involved the compilation of a dictionary of terms to facilitate postcoordinated searching in accordance with the UDC notation attached to every bibliographic record. Describes the project and demonstrates why a multilingual UDC based thesaurus is considered as ideal indexing and searching tool. The experiment, which applied to Class 8 of UDC (Linguisitcs and Literature), illustrates how all UDC tables can be successfully used to build a thesaurus and the ways in which their limitations can be overcome by a thesaurus
    Footnote
    Übers. des Titels: Building a multilingual thesaurus based on UDC
    Type
    a
  4. LaBarre, K.: Adventures in faceted classification: a brave new world or a world of confusion? (2004) 0.00
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    Abstract
    A preliminary, purposive survey of definitions and current applications of facet analytical theory (FA) is used to develop a framework for the analysis of Websites. This set of guidelines may well serve to highlight commonalities and differences among FA applications an the Web. Rather than identifying FA as the terrain of a particular interest group, the goal is to explore current practices, uncover common misconceptions, extend understanding, and highlight developments that augment the traditional practice of FA and faceted classification (FC).
    Type
    a
  5. Rocha, R.; Cobo, A.: Automatización de procesos de categorización jerárquica documental en las organizaciones (2010) 0.00
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    Abstract
    In a global context characterized by the massive use of information technology and communications any organization needs to optimize the search and document management processes. In this paper an analysis of modern document management techniques and computational strategies with specialized language resources is presented and a model that can be used in automatic text categorization in the context of organizations is proposed.As a particular case we describe a classification system according to the taxonomy JEL (Journal of Economic Literature) and that makes use of multilingual glossaries for hierarchical classifications of scientific and technical documents related to the business functional areas.
    Type
    a
  6. Mandel, C.: ¬A computer age classification : implications for library practice (1989) 0.00
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    Type
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  7. Cochrane, P.A.: Classification as a user's tool in online public access catalogs (1982) 0.00
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  8. Woods, E.W.; IFLA Section on classification and Indexing and Indexing and Information Technology; Joint Working Group on a Classification Format: Requirements for a format of classification data : Final report, July 1996 (1996) 0.00
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  9. Carlyle, A.: Exploring bibliographic classification in new environments (1997) 0.00
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    Type
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  10. Robbins, F.: ¬An exploration of the application of classification systems as a method for resource delivery on the World Wide Web (1999) 0.00
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  11. Louie, A.J.; Maddox, E.L.; Washington, W.: Using faceted classification to provide structure for information architecture (2003) 0.00
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    Abstract
    This is a short, but very thorough and very interesting, report on how the writers built a faceted classification for some legal information and used it to structure a web site with navigation and searching. There is a good summary of why facets work well and how they fit into bibliographic control in general. The last section is about their implementation of a web site for the Washington State Bar Association's Council for Legal Public Education. Their classification uses three facets: Purpose (the general aim of the document, e.g. Resources for K-12 Teachers), Topic (the subject of the document), and Type (the legal format of the document). See Example Web Sites, below, for a discussion of the site and a problem with its design.
    Content
    A very large PDF of the six-foot-wide illustrated poster from their poster session is available at http://depts.washington.edu/pettt/presentations/conf_2003/IASummit-Poster-Louie.pdf.
  12. Francu, V.: Building a multilingual thesaurus based on UDC (1996) 0.00
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    Abstract
    Once the library has been through a process of transition from traditional library procedures to automated ones, natural language searching became a necessity for both indexers and searchers. Therefore, aside from the precoordinated classified catalogue we started to build a dictionary of terms in order to make postcoordinate search possible in keeping with the UDC notations assigned to each bibliographic record. After a while we came to the conclusion that the dictionary needed a control of its terms so that synonymous concepts and semantic ambuguities be avoided. The project presented in this paper shows how reality imposed the improvement of the quality of indexing and hence of the searching possibilities. Is also shows the reasons why we consider a multilingual thesaurus based on UDC an ideal indexing and searching device. The experiment applied on class 8 of UDC illustrates the way the UDC tables can be quite successfully used in building a thesaurus due to their qulities and how their limitations can be overcome by a thesaurus. An appendix to the paper contains a sample of the multilingual thesaurus given in both alphabetical and systematic layouts
    Type
    a
  13. Duncan, E.B.: ¬A faceted approach to hypertext (1989) 0.00
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    Abstract
    Three pre-web articles about using hypertext for knowledge representation. Duncan discusses how to use graphical, hypertext displays (she used Xerox PARC's NoteCards on a Xerox 1186 workstation) along with concept maps and facet analysis, a combination that would now be done with topic maps. The screen shots of her graphical displays are quite interesting. Her interest in facets is in how to use them to show things to different people in different ways, for example, so that experts can enter knowledge into a system in one way while novices can see it in another. Duncan found that facet labels (e.g. Process and Product) prompted the expert to think of related concepts when inputting data, and made navigation easier for users. Facets can be joined together, e.g. "Agents (causing) Process," leading to a "reasoning system." She is especially interested in how to show relstionships between two things: e.g., A causes B, A uses B, A occurs in B. This is an important question in facet theory, but probably not worth worrying about in a small online classification where the relations are fixed and obvious. These articles may be difficult to find, in which case the reader can find a nice sumary in the next article, by Ellis and Vasconcelos (2000). Anyone interested in tracing the history of facets and hypertext will, however, want to see the originals.
    Type
    a
  14. Lincicum, S.: Critical appraisal of the use of classification in the future : non traditional uses of classification: report of a panel discussion (1995) 0.00
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    Abstract
    Dagobert Soergel opened the discussion by saying, "Users need our help to find and make sense of information." He said that he believes that classification can provide much of the support users need. He sees little distinction between the concept of a thesaurus and that of classification since both seek to provide structure for knowledge bases in order to facilitate information retrieval. Soergel's discussion of his concept of a multifunctional, multilingual thesaurus comprised the bulk of his presentation. This thesaurus would be a database of concepts, terms, and relationships which would include classification. In this context, classification has a much broader set of functions than it currently does in most American libraries where classification serves primarily as a method of shelf arrangement. The thesaurus Soergel envisions would lay out the semantic map of a field and could therefore be used as a learning tool or as a basis for research planning, or to assist users in clarifying terms and concepts. It could support indexing and searching and provide for the organization of knowledge for expert systems and other artificial intelligence applications. Among its other features, such a thesaurus could assist users in making sense of information by providing structured presentation of search results based on user needs and preferences, and it could enhance natural language processing capabilities such as automated indexing and abstracting and machine translation.
    Type
    a
  15. Devadason, F.J.; Intaraksa, N.; Patamawongjariya, P.; Desai, K.: Faceted indexing based system for organizing and accessing Internet resources (2002) 0.00
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    Abstract
    Organizing and providing access to the resources an the Internet has been a problem area in spite of the availability of sophisticated search engines and other Software tools. There have been several attempts to organize the resources an the World Wide Web. Some of them have tried to use traditional library classification schemes such as the Library of Congress Classification, the Dewey Decimal Classification and others. However there is a need to assign proper subject headings to them and present them in a logical or hierarchical sequence to cater to the need for browsing. This paper attempts to describe an experimental system designed to organize and provide access to web documents using a faceted pre-coordinate indexing system based an the Deep Structure Indexing System (DSIS) derived from POPSI (Postulate based Permuted Subject Indexing) of Bhattacharyya, and the facet analysis and chain indexing system of Ranganathan. A prototype Software System has been designed to create a database of records specifying Web documents according to the Dublin Core and to input a faceted subject heading according to DSIS. Synonymous terms are added to the Standard terms in the heading using appropriate symbols. Once the data are entered along with a description and the URL of the web document, the record is stored in the System. More than one faceted subject heading can be assigned to a record depending an the content of the original document. The System stores the Surrogates and keeps the faceted subject headings separately after establishing a link. The search is carried out an index entries derived from the faceted subject heading using the chain indexing technique. If a single term is Input, the System searches for its presence in the faceted subject headings and displays the subject headings in a sorted sequence reflecting an organizing sequence. If the number of retrieved Keadings is too large (running into more than a page) the user has the option of entering another search term to be searched in combination. The System searches subject headings already retrieved and looks for those containing the second term. The retrieved faceted subject headings can be displayed and browsed. When the relevant subject heading is selected the system displays the records with their URLs. Using the URL, the original document an the web can be accessed. The prototype system developed in a Windows NT environment using ASP and a web server is under rigorous testing. The database and Index management routines need further development.
    An interesting but somewhat confusing article telling how the writers described web pages with Dublin Core metadata, including a faceted classification, and built a system that lets users browse the collection through the facets. They seem to want to cover too much in a short article, and unnecessary space is given over to screen shots showing how Dublin Core metadata was entered. The screen shots of the resulting browsable system are, unfortunately, not as enlightening as one would hope, and there is no discussion of how the system was actually written or the technology behind it. Still, it could be worth reading as an example of such a system and how it is treated in journals.
    Footnote
    Vgl. auch: Devadason, F.J.: Facet analysis and Semantic Web: musings of a student of Ranganathan. Unter: http://www.geocities.com/devadason.geo/FASEMWEB.html#FacetedIndex.
    Type
    a
  16. Richmond, P.A.: Futuristic aspects of subject access (1983) 0.00
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  17. Svenonius, E.: Use of classification in online retrieval (1983) 0.00
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  18. Markey, K.: Class number searching in an experimental online catalog (1986) 0.00
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  19. Meink, P.: ¬Die Dezimalklassifikation auf dem PC. T.1.2 (1988) 0.00
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  20. Huestis, J.C.: Clustering LC Classification numbers in an online catalog for improved browsability (1988) 0.00
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Years

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  • el 31
  • m 10
  • s 7
  • p 1
  • r 1
  • x 1
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