Search (101 results, page 2 of 6)

  • × theme_ss:"Klassifikationssysteme im Online-Retrieval"
  • × year_i:[1990 TO 2000}
  1. Guenther, R.S.: Automating the Library of Congress Classification Scheme : implementation of the USMARC format for classification data (1996) 0.00 
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    Abstract
    Potential uses for classification data in machine readable form and reasons for the development of a standard, the USMARC Format for Classification Data, which allows for classification data to interact with other USMARC bibliographic and authority data are discussed. The development, structure, content, and use of the standard is reviewed with implementation decisions for the Library of Congress Classification scheme noted. The author examines the implementation of USMARC classification at LC, the conversion of the schedules, and the functionality of the software being used. Problems in the effort are explored, and enhancements desired for the online classification system are considered.
  2. Classification research for knowledge representation and organization : Proc. of the 5th Int. Study Conf. on Classification Research, Toronto, Canada, 24.-28.6.1991 (1992) 0.00 
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    Abstract
    This volume deals with both theoretical and empirical research in classification and encompasses universal classification systems, special classification systems, thesauri and the place of classification in a broad spectrum of document and information systems. Papers fall into one or three major areas as follows: 1) general principles and policies 2) structure and logic in classification; and empirical investigation; classification in the design of various types of document/information systems. The papers originate from the ISCCR '91 conference and have been selected according to the following criteria: relevance to the conference theme; importance of the topic in the representation and organization of knowledge; quality; and originality in terms of potential contribution to research and new knowledge.
    Content
    Enthält die Beiträge: SVENONIUS, E.: Classification: prospects, problems, and possibilities; BEALL, J.: Editing the Dewey Decimal Classification online: the evolution of the DDC database; BEGHTOL, C.: Toward a theory of fiction analysis for information storage and retrieval; CRAVEN, T.C.: Concept relation structures and their graphic display; FUGMANN, R.: Illusory goals in information science research; GILCHRIST, A.: UDC: the 1990's and beyond; GREEN, R.: The expression of syntagmatic relationships in indexing: are frame-based index languages the answer?; HUMPHREY, S.M.: Use and management of classification systems for knowledge-based indexing; MIKSA, F.L.: The concept of the universe of knowledge and the purpose of LIS classification; SCOTT, M. u. A.F. FONSECA: Methodology for functional appraisal of records and creation of a functional thesaurus; ALBRECHTSEN, H.: PRESS: a thesaurus-based information system for software reuse; AMAESHI, B.: A preliminary AAT compatible African art thesaurus; CHATTERJEE, A.: Structures of Indian classification systems of the pre-Ranganathan era and their impact on the Colon Classification; COCHRANE, P.A.: Indexing and searching thesauri, the Janus or Proteus of information retrieval; CRAVEN, T.C.: A general versus a special algorithm in the graphic display of thesauri; DAHLBERG, I.: The basis of a new universal classification system seen from a philosophy of science point of view: DRABENSTOTT, K.M., RIESTER, L.C. u. B.A.DEDE: Shelflisting using expert systems; FIDEL, R.: Thesaurus requirements for an intermediary expert system; GREEN, R.: Insights into classification from the cognitive sciences: ramifications for index languages; GROLIER, E. de: Towards a syndetic information retrieval system; GUENTHER, R.: The USMARC format for classification data: development and implementation; HOWARTH, L.C.: Factors influencing policies for the adoption and integration of revisions to classification schedules; HUDON, M.: Term definitions in subject thesauri: the Canadian literacy thesaurus experience; HUSAIN, S.: Notational techniques for the accomodation of subjects in Colon Classification 7th edition: theoretical possibility vis-à-vis practical need; KWASNIK, B.H. u. C. JORGERSEN: The exploration by means of repertory grids of semantic differences among names of official documents; MICCO, M.: Suggestions for automating the Library of Congress Classification schedules; PERREAULT, J.M.: An essay on the prehistory of general categories (II): G.W. Leibniz, Conrad Gesner; REES-POTTER, L.K.: How well do thesauri serve the social sciences?; REVIE, C.W. u. G. SMART: The construction and the use of faceted classification schema in technical domains; ROCKMORE, M.: Structuring a flexible faceted thsaurus record for corporate information retrieval; ROULIN, C.: Sub-thesauri as part of a metathesaurus; SMITH, L.C.: UNISIST revisited: compatibility in the context of collaboratories; STILES, W.G.: Notes concerning the use chain indexing as a possible means of simulating the inductive leap within artificial intelligence; SVENONIUS, E., LIU, S. u. B. SUBRAHMANYAM: Automation in chain indexing; TURNER, J.: Structure in data in the Stockshot database at the National Film Board of Canada; VIZINE-GOETZ, D.: The Dewey Decimal Classification as an online classification tool; WILLIAMSON, N.J.: Restructuring UDC: problems and possibilies; WILSON, A.: The hierarchy of belief: ideological tendentiousness in universal classification; WILSON, B.F.: An evaluation of the systematic botany schedule of the Universal Decimal Classification (English full edition, 1979); ZENG, L.: Research and development of classification and thesauri in China; CONFERENCE SUMMARY AND CONCLUSIONS
    Footnote
    Rez. in: International classification 19(1992) no.4, S.228-229 (B.C. Vickery); Journal of classification 11(1994) no.2, S.255-256 (W. Gödert)
    LCSH
    Knowledge, Theory of / Congresses
    Subject
    Knowledge, Theory of / Congresses
  3. Chan, L.M.: ¬The Library of Congress Classification System in an online environment (1990) 0.00 
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    Abstract
    Advantages and disadvantages of on-line classification access are presented with special attention to Library of Congress Classification (LCC) features for subject browsing, known item-searching, enhancement of keyword and controlled vocabulary searching, and other unique retrieval capabilities.
    Footnote
    Paper presented at the 2nd Annette Lewis Phinazee Symposium on Classification as an enhancement of intellectual access to information in an online environment, held at the School of Library and Information Sciences, North Carolina Central University, Durham, North Carolina.
  4. Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993) 0.00 
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    Abstract
    Modern fact databses contain abundant data classified through several classifications. Typically, users msut consult these classifications in separate manuals or files, thus making their effective use difficult. Contemporary database systems do little support deductive use of classifications. In this study we show how deductive data management techniques can be applied to the utilization of data value classifications. Computation of transitive class relationships is of primary importance here. We define a representation of classifications which supports transitive computation and present an operation-oriented deductive query language tailored for classification-based deductive information retrieval. The operations of this language are on the same abstraction level as relational algebra operations and can be integrated with these to form a powerful and flexible query language for deductive information retrieval. We define the integration of these operations and demonstrate the usefulness of the language in terms of several sample queries
    Source
    Journal of the American Society for Information Science. 44(1993) no.10, S.557-578
  5. McAllister-Harper, D.: Dewey Decimal Classification in the online environment : a study of libraries in North Carolina (1990) 0.00 
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    Abstract
    Results of a survey of North Carolina Libraries revealed that of 91 respondents, 29 had on-line catalogues. Of the libraries with on-line catalogues, 11 used the Dewey Decimal Classification (DDC). Survey findings indicate that the DDC has limited use in on-line searching today.
    Footnote
    Paper presented at the 2nd Annette Lewis Phinazee Symposium on Classification as an enhancement of intellectual access to information in an online environment, held at the School of Library and Information Sciences, North Carolina Central University, Durham, North Carolina.
  6. Riesthuis, G.J.A.: Decomposition of UDC-numbers and the text of the UDC Master Reference File (1998) 0.00 
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    Abstract
    There exist in the world many bibliographical databases, which are indexed with the UDC. Searching in the databases is difficult for everyone not very experienced in the use of this classification scheme. The notations can be very complex and often it would be desirable to be able to search on only a part of the notation. In this paper algorithms for the decomposition of complex UDC-notations and adding a description to the resulting simple notations are discussed. In the second part of the paper the resulting texts are discussed
    Source
    Structures and relations in knowledge organization: Proceedings of the 5th International ISKO-Conference, Lille, 25.-29.8.1998. Ed.: W. Mustafa el Hadi et al
  7. Liu, S.: Decomposing DDC synthesized numbers (1997) 0.00 
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    Abstract
    Some empirical studies have explored the direct use of traditional classification schemes in the online environment; none has manipulated these manual classifications in such a way as to take full advantage of the power of both the classification and computer. It has been suggested that this power could be realized if the individual components of synthesized DDC numbers could be identified and indexed. Looks at the feasibility of automatically decomposing DDC synthesized numbers and the implications of such decompositions for informational retrieval. 1.701 sythesized numbers were decomposed by a computer system called DND (Dewey Number Decomposer). 600 were randomly selected for examination by 3 judges, each evaluating 200 numbers. The decomposition success rate was 100% and it was concluded that synthesized DDC numbers can be accurately decomposed automatically. The study has implications for information retrieval, expert systems for assigning DDC numbers, automatic indexing, switching language development and other important areas of cataloguing and classification
    Footnote
    Bezug zu: Liu, Songqiao. "The Automatic Decomposition of DDC Synthesized Numbers." Ph.D. diss., University of California, Los Angeles, 1993.
  8. Saye, J.D.: ¬"The Library of Congress Classification System in an online environment" : a reaction (1990) 0.00 
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    Abstract
    This response to the paper by Dr. Chan, while accepting the merits of call number searching in the theoretical sense, raises questions about its usefulness in typical library situations. Compares searching on-line with call numbers and the use of classified catalogues and shelflists. Asks who is expected to do call number searching. Considers the availability of indexes to the classification scheme, problems created by the provision of only 1 class number per document, and the use of multiple cutter numbers to express the subject of a document.
    Footnote
    Paper presented at the 2nd Annette Lewis Phinazee Symposium on Classification as an enhancement of intellectual access to information in an online environment, held at the School of Library and Information sciences, North Carolina Central University, Durham, North Carolina.
  9. Trotter, R.: Electronic Dewey : the CD-ROM version of the Dewey Decimal Classification (1995) 0.00 
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    Abstract
    This paper describes the features of Electronic Dewey bringing out the ways in which it differs from the printed version of the Classification. The various search techniques available are discussed and the use of the DDC functions is considered. The paper concludes that while improvements could be made the CD-ROM heralds the electronic age of classification.
  10. Kinsella, J.: Classification and the OPAC (1992) 0.00 
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    Content
    Subject searching in the OPAC: success or failure? // Searching by numbers: the use of classification schemes in currently available OPACs // The wider picture: the role of classification in the future of subject searching
  11. Zimmermann, H.: Conception and application possibilities of classification concordances in an OPAC environment (1996) 0.00 
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    Source
    Compatibility and integration of order systems: Research Seminar Proceedings of the TIP/ISKO Meeting, Warsaw, 13-15 September 1995
  12. Guenther, R.S.: Bringing the Library of Congress into the computer age : converting LCC to machine-readable form (1996) 0.00 
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    Source
    Knowledge organization and change: Proceedings of the Fourth International ISKO Conference, 15-18 July 1996, Library of Congress, Washington, DC. Ed.: R. Green
  13. Riesthuis, G.J.A.: Zoeken met woorden : hergebruik van onderwerpsontsluiting (1998) 0.00 
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    Abstract
    Theory of information languages. Decomposition of UDC-notations
    Footnote
    Übers. d. Titels: Searching with words: re-use of subject indexing
  14. Heiser, W.J.: Zoeken in de bibliografische ruimte : de bijzondere rol van de hierarchische classificaties bij geautomatiseerde onderwerpsontsluiting (1993) 0.00 
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    Abstract
    The universal classification schemes developed in the 19th century are a direct response to the social changes of that era. However, the increasing use of automation in libraries has highlighted the need fir greater precision in hierarchical structures. A thesaurus of used and related headings can be employed to show the spatial relationship of semantic terms. The resulting search profile can be further enhanced by the addition of citation weighting. To assist users to define searches more accurately libraries using large general classification schemes should consider adding supplementary classification data to records
    Footnote
    Searching in the bibliographical space: the special function of hierarchical classifications in automated subject indexing
  15. Buxton, A.B.: Computer searching of UDC numbers (1990) 0.00 
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    Source
    Journal of documentation. 46(1990) no.3, S.193-217
  16. Frost, C.O.: ¬The University of Michigan School of Information Art Image Browser : designing and testing a model for image retrieval (1996) 0.00 
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    Abstract
    A team at the University of Michigan School of Information designed, implemented and is evaluating a WWW-based experimental system which uses classification to facilitate browsing of art images. The research team built a database of approximately 3.000 digitized images from Art History to determine if classification can be used for retrieving images from a digital database in a networked environment. A key premise in this research is that browsing can serve an important role in retrieving image information. The system was evaluated in controlled tests and through a questionnaire available to WWW users
    Source
    Knowledge organization and change: Proceedings of the Fourth International ISKO Conference, 15-18 July 1996, Library of Congress, Washington, DC. Ed.: R. Green
  17. McKiernan, G.: Parallel universe : the organization of information elements and access in a World Wide Web (WWW) Virtual Library (1996) 0.00 
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    Abstract
    For generations, libraries have facilitated access to information sources by the development and use of a wide range of appropriate organizational processes. Within a Web-based demonstration prototype, we have applied several established library procedures, principles and practices to enhance access to selected Internet resources in science and technology. In seeking to manage these sources, we have established defined collection, adopted an established library classification scheme as an organizational framework, and sought to stimulate the features and functions of a physical library collection and conventional reference sourcees. This paper describes the key components of this prototype, reviews research which supports its approach, and profiles suggested enhancements which could further facilitate identification, access and use of significant Internet and WWW resources
    Source
    Knowledge organization and change: Proceedings of the Fourth International ISKO Conference, 15-18 July 1996, Library of Congress, Washington, DC. Ed.: R. Green
  18. Gödert, W.: ¬Die Dezimalklassifikation im Online-Retrieval (1990) 0.00 
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    Abstract
    Considers some structural features of UDC which may be of some importance to on-line information retrieval with synthesised UDC notations
  19. Pollitt, S.: Interactive information retrieval based on faceted classification using views (1997) 0.00 
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    Abstract
    This paper discusses constraints in knowledge organisation for information retrieval introduced by the difficulty of separating logical views of data, information, concepts and their relationships, from the physical means by which we seek to implement retrieval systems. A parallel is drawn between the move from enumerated to faceted classification and the emergence of relational database management systems to replace those adopting a hierarchical structure. This parallel suggests a convergence of ideas which have been, to a large extent, developed independently. The role of post-coordinated retrieval systems and thesauri is then examined before an interface design (HIBROWSE - a High resolution Interface for BROWsing and SEarching databases), is described which brings together the principles of faceted classification and increases the bandwidth of interaction through view-based searching.
    Source
    Knowledge organization for information retrieval: Proceedings of the 6th International Study Conference on Classification Research ; held at University College, London, 16-18 June 1997
  20. 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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