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  • × theme_ss:"Beziehungen verbale / systematische Erschließung"
  1. Gabler, S.: Vergabe von DDC-Sachgruppen mittels eines Schlagwort-Thesaurus (2021) 0.02 
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    Content
    Master thesis Master of Science (Library and Information Studies) (MSc), Universität Wien. Advisor: Christoph Steiner. Vgl.: https://www.researchgate.net/publication/371680244_Vergabe_von_DDC-Sachgruppen_mittels_eines_Schlagwort-Thesaurus. DOI: 10.25365/thesis.70030. Vgl. dazu die Präsentation unter: https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=web&cd=&ved=0CAIQw7AJahcKEwjwoZzzytz_AhUAAAAAHQAAAAAQAg&url=https%3A%2F%2Fwiki.dnb.de%2Fdownload%2Fattachments%2F252121510%2FDA3%2520Workshop-Gabler.pdf%3Fversion%3D1%26modificationDate%3D1671093170000%26api%3Dv2&psig=AOvVaw0szwENK1or3HevgvIDOfjx&ust=1687719410889597&opi=89978449.
  2. Root thesaurus. Pt.1.2 (1985) 0.01 
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    Date
    18. 5.2007 14:22:43
  3. Karg, H.: Mapping Dewey and subject authorities : CrissCross (2007) 0.01 
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    Content
    Vortrag anläasslich des Workshops: "Extending the multilingual capacity of The European Library in the EDL project Stockholm, Swedish National Library, 22-23 November 2007".
  4. Scott, D.S.: Subject classification and natural-language processing for retrieval in large databases (1989) 0.01 
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    Abstract
    New forms of man-machine interaction are becoming available that have great power for the delivery of information. But the scales of speed and capacity on which the computing machines operate demand new thoughts as to how information can be stored and retrieved. The objective of the discussion in this paper is to argue for a combination of natural-language processing and subject classification to be able to meet the demands
  5. Woldering, B.: Connecting with users : Europe and multilinguality (2006) 0.01 
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    Abstract
    This paper introduces to the new Internet service The European Library, provided by the Conference of European National Librarians (CENL), and gives an overview of activities in Europe for multilingual library services, developed and tested in various projects: TEL-ME-MOR, MACS (Multilingual Access to Subjects), MSAC (Multilingual Subject Access to Catalogues of National Libraries), Crisscross, and VIAF (Virtual International Authority File).
  6. Tudhope, D.; Binding, C.; Blocks, D.; Cunliffe, D.: Compound descriptors in context : a matching function for classifications and thesauri (2002) 0.01 
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    Abstract
    There are many advantages for Digital Libraries in indexing with classifications or thesauri, but some current disincentive in the lack of flexible retrieval tools that deal with compound descriptors. This paper discusses a matching function for compound descriptors, or multi-concept subject headings, that does not rely an exact matching but incorporates term expansion via thesaurus semantic relationships to produce ranked results that take account of missing and partially matching terms. The matching function is based an a measure of semantic closeness between terms, which has the potential to help with recall problems. The work reported is part of the ongoing FACET project in collaboration with the National Museum of Science and Industry and its collections database. The architecture of the prototype system and its Interface are outlined. The matching problem for compound descriptors is reviewed and the FACET implementation described. Results are discussed from scenarios using the faceted Getty Art and Architecture Thesaurus. We argue that automatic traversal of thesaurus relationships can augment the user's browsing possibilities. The techniques can be applied both to unstructured multi-concept subject headings and potentially to more syntactically structured strings. The notion of a focus term is used by the matching function to model AAT modified descriptors (noun phrases). The relevance of the approach to precoordinated indexing and matching faceted strings is discussed.
  7. Green, R.: Making visible hidden relationships in the Dewey Decimal Classification : how relative index terms relate to DDC classes (2008) 0.01 
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    Content
    Relative Index (RI) terms in the Dewey Decimal Classification (DDC) system correspond to concepts that either approximate the whole of the class they index or that are in standing room there. DDC conventions and shallow natural language processing are used to determine automatically whether specific RI terms approximate the whole of or are in standing room in the classes they index. Approximately three-quarters of all RI terms are processed by the techniques described.
  8. Gödert, W.: ¬Die Dezimalklassifikation im Online-Retrieval (1990) 0.01 
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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
  9. Balikova, M.: Multilingual Subject Access to Catalogues of National Libraries (MSAC) : Czech Republic's collaboration with Slovakia, Slovenia, Croatia, Macedonia, Lithuania and Latvia (2005) 0.01 
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    Abstract
    Czech authority file of topical terms is intended to form a base for multilingual controlled vocabulary. The aim of the proposal is to provide users of online library catalogues and internet services of cooperating institutions with an indexing and retrieval tool which enables multilingual and cross-domain searching ("one-stop" seamless searching). The goal of the project is to establish a multilingual subject approach to catalogues of participating libraries (Czechia, Croatia, Latvia, Lithuania, Macedonia, Slovakia, and Slovenia). In practice this means that a user in any of these countries would enter a query in his local language and receive hits from all the catalogues. The initiative is complying with the main goals currently defined by IFLA for the activity of Indexing and Classification Section, it means: Changing Roles of Subject Access Tools (Berlin), Implementation and Adaptation of Global Tools for Subject Access to Local Needs (Buenos Aires), and Cataloguing and Subject Tools for Global Access: International Partnerships (Oslo).
    Content
    The aim of this initiative is to provide the users of online library catalogues and information gateways of cooperating libraries with a prototype for multilingual subject searching in online environment. Library collections of these libraries are large and without any doubt very valuable for researchers throughout Europe. What is needed is a standardized, authorized indexing and retrieval tool which would bring together all their catalogues and databases and enable multilingual subject searching. At the beginning of the project, a number of factors affecting subject indexing in current environment and cross-searching for subjects have been identified. These factors include - standardization of subject retrieval process and indexing and classification tools - subject retrieval methods - possibility of interoperability among different indexing and classification schemes - multilingualism issue - possibility to increase precision and recall trough Z39.50 protocol and its profiles and to apply authority control in subject retrieval process - need for cooperation
  10. Ranganathan, S.R.: Subject headings and facet analysis (1964) 0.01 
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    Abstract
    After establishing the terminology, shows how the choice of the name of the subject of a document and the rendering of the name in the heading of the specific subject entry can be got by facet analysis based on postulates and principles. After showing that subject headings constitute an artificial language, points out that using facet analysis for subject heading does not amount to using class number. Marks out the area for an objective statistical survey of sought heading for subject entry. Calls on Council for Library Resources Incorporated to provide for this project
  11. Negrini, G.: CLASTHES: a thesaurofacet generator (1994) 0.01 
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    Abstract
    Describes CLASTHES, a software package which structures a system of concepts defined both as the conceptual expression of the structural relationship of a whole and as the structural relationship between the individual elements within the system itself. The external structure, which is the general structure of the system, is created by means of thesaurus facets, here defined as 'areas', while the internal structure is represented by the relationships linking the single elements attributed to the various areas
    Source
    Library science with a slant to documentation. 31(1994) no.1, S.1-12
  12. Frâncu, V.: ¬A universal classification system going through changes (2001) 0.01 
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    Abstract
    In the early 1990s, indexing with classification codes from the Universal Decimal Classification (UDC) in an academic library, going from traditional to automated routines in any and all its activities, suddenly proved insufficient. Under the circumstances of online searching, the possibilities offered by the new OPAC looked much more attractive to indexers and searchers alike. Therefore, a quick shift to indexing with UDC and keywords instead of UDC numbers alone was made. Currency, precision and, more importantly, user-friendliness were strong advantages offered by keyword indexing and searching. But the larger the dictionary of keywords, the more problematic the consequences an information scattering, given the lack of control an terms. The present paper describes the advantages of the UDC in indexing by presenting some of the devices it is provided with: subdivision by analogy, common and special auxiliaries, use of synthesis, and use of connecting symbols. The solution of indexing with both UDC notation and words from a thesaurus based an UDC was prompted by some other characteristics of the schedules: a semi-faceted classification system, hierarchical organisation, richness in terminology and consistency and control of notation. The methodology used in building the thesaurus is conceived according to the international standards (ISO 2788 and 5964) to which some principles have been added, giving the specific approach of harmonising a classification structure with that of a thesaurus. Compatibility and translatability issues are also considered and some problems arising from them are treated in detail. Most of the problems discussed are illustrated with examples.
  13. Riesthuis, G.J.A.: Construirea tezaurului pe baza CZU : o incercare de stabilire a regullilor (2000) 0.01 
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    Footnote
    Übers. d. Titels: The elaboration of the thesaurus on UDC bases: an attempt to establish the rules
  14. Frâncu, V.: Harmonizing a universal classification system with an interdisciplinary multilingual thesaurus : advantages and limitations (2000) 0.01 
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    Abstract
    The case under consideration is a project of building an interdisciplinary multilingual thesaurus (Romanian-English-French) starting from a list of indexing terms based on an abridged version of the Universal Decimal Classification (UDC). The resulting thesaurus is intended for public libraries for both indexing and searching purposes in bibliographic databases covering a wide range of topics but with a fairly low level of specificity. The problems encountered in such an approach fall into two groups: 1) concordance or compatibility problems in terms of the indexing languages considered (between a classification system and a thesaurus); 2) equivalence and, hence, translatability problems in terms of the natural languages involved. Additionally, the question of ambiguity given the co-occurrence of terms in more than one class, will be discussed with reference to homographs and polysemantic words. In a thesaurus with such a wide coverage yet with a low specificity level, the method adopted in the thesaurus construction was to provide as many lead-in terms as possible and post them up to the closest in meaning broader term in order to improve the recall ratio
  15. Tudhope, D.; Binding, C.; Blocks, D.; Cuncliffe, D.: Representation and retrieval in faceted systems (2003) 0.01 
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    Abstract
    This paper discusses two inter-related themes: the retrieval potential of faceted thesauri and XML representations of fundamental facets. Initial findings are discussed from the ongoing 'FACET' project, in collaboration with the National Museum of Science and Industry. The work discussed seeks to take advantage of the structure afforded by faceted systems for multi-term queries and flexible matching, focusing in this paper an the Art and Architecture Thesaurus. A multi-term matching function yields ranked results with partial matches via semantic term expansion, based an a measure of distance over the semantic index space formed by thesaurus relationships. Our intention is to drive the system from general representations and a common query structure and interface. To this end, we are developing an XML representation based an work by the Classification Research Group an fundamental facets or categories. The XML representation maps categories to particular thesauri and hierarchies. The system interface, which is configured by the mapping, incorporates a thesaurus browser with navigation history together with a term search facility and drag and drop query builder.
  16. Himanka, J.; Kautto, V.: Translation of the Finnish abridged edition of UDC into general Finnish subject headings (1992) 0.01 
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    Abstract
    Examines a method of converting assigned UDC numbers into subject headings. The method consists of 2 phases: a dictionary is created that maps UDC numbers to subject headings; and this dictionary is then mechanically applied to convert the bibliographic databases. Tests 15 different UDC classes and records translation success and problems encountered. Closely examines problems encountered in each part and describes 3 main types of UDC classes: the synthetic; the shallow enumerative; and the deep enumerative. Findings show that the time spent in the first phase is tolerable. Considers the initial question of translatability of the whole UDC in the light of the results
  17. Cochrane, P.A.: Subject access - free text and controlled : the case of Papua New Guinea (1985) 0.00 
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    Source
    Online public access to library files. Conf. Proc. held at the Univ. of Bath, 3.-5.9.1984. Ed.: J. Kinsella
  18. Raghavan, K.S.: ¬The general theory of classification as the basis for structuring of subject headings (1985(?)) 0.00 
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    Abstract
    Defines the basic functions of surrogate files in information retrieval. Exemplifies the categories enunciated in the general theory of classification developed in India. Defines the principles for structuring the concepts. Formulates set of general postulates pertaining to the structure of compound subjects. On the basis of these, outlines a procedure for structuring of subject headings. Demonstrates the application of procedure through examples
  19. Fugmann, R.: ¬An interactive classaurus on the PC (1990) 0.00 
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    Abstract
    Both classification systems and thesauri have their specific strengths and weaknesses. Through properly combining both approaches one can eliminate the latter and largely preserve the strenghts. 'Classauri' which originate in this well-known way are most effective if they are constructed and applied during computer-aided indexing. A special variety of classaurus is described which is characterized by the employment of simple bur highly effective conceptual and technical devices and by the renunciation of attempts to generate the wording of index entries algorithmically
  20. Garcia-Marco, F.-J.: ¬The interaction between the systematic and alphabetical approaches to knowledge organization and its subjacent mechanisms : a long-term primary wave? (2016) 0.00 
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