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Svenonius, E.: LCSH: semantics, syntax and specifity (2000)
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- Abstract
- This paper looks at changes affecting LCSH over its 100-year history. Adopting a linguistic conceptualization, it frames these changes as relating to the semantics, syntax and pragmatics of the LCSH language. While its category semantics has remained stable over time, the LCSH relational semantics underwent a significant upheaval when a thesaural structure was imposed upon its traditional See and See also structure. Over time the LCSH syntax has become increasingly complex as it has moved from being largely enumerative to in large part synthetic. Until fairly recently the LCSH pragmatics consisted of only one rule, viz, the injunction to assign specific headings. This rule, always controversial, has become even more debated and interpreted with the move to the online environment
- Series
- Cataloging and classification quarterly; vol.29, nos.1/2
- Theme
- Verbale Doksprachen im Online-Retrieval
- Type
- a
-
Svenonius, E.: LCSH: semantics, syntax and specifity (2000)
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- Abstract
- This paper looks at changes affecting LCSH over its 100-year history. Adopting a linguistic conceptualization, it frames these changes as relating to the semantics, syntax and pragmatics of the LCSH language. While its category semantics has remained stable over time, the LCSH relational semantics underwent a significant upheaval when a thesaural structure was imposed upon its traditional See and See also structure. Over time the LCSH syntax has become increasingly complex as it has moved from being largely enumerative to in large part synthetic. Until fairly recently the LCSH pragmatics consisted of only one rule, viz, the injunction to assign specific headings. This rule, always controversial, has become even more debated and interpreted with the move to the online environment
- Series
- Cataloging and classification quarterly; vol.29, nos.1/2
- Theme
- Verbale Doksprachen im Online-Retrieval
- Type
- a
-
Svenonius, E.; Liu, S.; Subrahmanyam, B.: Automation of chain indexing (1992)
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- Abstract
- The last several years have seen the evolution of prototype systems exploiting the use of the Dewey Decimal Classification (DDC) as an interface to online catalogs. One such system, calles DORS (Dewy Online Retrieval System) was developed at the University of California, Los Angeles by the authors. The feature distinguishing this system is an automatically generated chain index, in particular the algorithms that were created for its automatic generation and the problems that were encountered. The problems were of three kinds: those that were overcome, but were not for lack of time and resources and those that we believe cannot be overcome. The paper concludes with suggestions for future resaerch and possible formatting changes to the DDC feature headings that would facilitate chain-index generation
- Source
- Classification research for knowledge representation and organization. Proc. 5th Int. Study Conf. on Classification Research, Toronto, Canada, 24.-28.6.1991. Ed. by N.J. Williamson u. M. Hudon
- Theme
- Klassifikationssysteme im Online-Retrieval
- Type
- a
-
Svenonius, E.: Bibliographical classification (1990)
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- Source
- Library classification and its functions. Int. Conf. on ..., 20.-21.6.1989, Edmonton, Alberta. Ed.: A. Nitecki u. T. Fell
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- a
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McGarry, D.; Svenonius, E.: ¬An interview with Elaine Svenonius (2000)
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- Source
- Cataloging and classification quarterly. 29(2000) no.4, S.5-18
- Type
- a
-
Svenonius, E.: Use of classification in online retrieval (1983)
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- Theme
- Klassifikationssysteme im Online-Retrieval
- Type
- a
-
Svenonius, E.: Classification: prospects, problems, and possibilities (1992)
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- Abstract
- Classification research at any point in time is the resultant product of various philosophical, technological, social, economic, and political forces. This address attemps first to give a partial description of the present state of classification research as determined by one of these forces: philosophy, in particular the 20th century analytic philosophies of logical positivism, linguistic analysis and systems analysis; and, second, assuming the continued influence of these, to speculate upon the future of classification research in terms of its prospects, problems and possibilities
- Source
- Classification research for knowledge representation and organization. Proc. 5th Int. Study Conf. on Classification Research, Toronto, Canada, 24.-28.6.1991. Ed. by N.J. Williamson u. M. Hudon
- Type
- a
-
Liu, S.; Svenonius, E.: DORS: DDC online retrieval system (1991)
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- Abstract
- A model system, the Dewey Online Retrieval System (DORS), was implemented as an interface to an online catalog for the purpose of experimenting with classification-based search strategies and generally seeking further understanding of the role of traditional classifications in automated information retrieval. Specifications for a classification retrieval interface were enumerated and rationalized and the system was developed in accordance with them. The feature that particularly distinguishes the system and enables it to meet its stated specifications is an automatically generated chain index
- Theme
- Klassifikationssysteme im Online-Retrieval
- Type
- a
-
Svenonius, E.: Facets as semantic categories (1979)
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- Abstract
- The paper looks at the semantic and syntactic components of facet definition. In synthetic classificatory languages, primitive terms are categorized into facets; facet information, when, is used in stating the syntactic rules for combining primitive terms into the acceptable (well-formed) complex expressions in the language. In other words, the structure of a synthetic classificatory language can be defined in terms of the facets recognized in the language and the syntactic rules employed by the language. Thus, facets are the "grammatical categories" of classificatory languages and their definition is the first step in formulating structural descriptions of such languages. As well, the study of how facets are defined can give some insight into how language is used to embody information
- Source
- Klassifikation und Erkenntnis II. Proc. der Plenarvorträge und der Sektion 2 u. 3 "Wissensdarstellung und Wissensvermittlung" der 3. Fachtagung der Gesellschaft für Klassifikation, Königstein/Ts., 5.-6.4.1979
- Type
- a
-
Svenonius, E.: ¬An ideal classification for an on-line catalog (1989)
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- Theme
- Klassifikationssysteme im Online-Retrieval
- Type
- a
-
Svenonius, E.: Design of controlled vocabularies in the context of emerging technologies (1988)
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- Source
- Library science with a slant to documentation and information studies. 25(1988), S.215-227
- Theme
- Verbale Doksprachen im Online-Retrieval
Klassifikationssysteme im Online-Retrieval
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- a
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McGarry, D.; Svenonius, E.: More on improved browsable displays for online subject access (1991)
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- Abstract
- Key problems of subject searches in online public access catalogs are that too much may be retrieved and that the display may be arranged in what appears to be an unintuitive and unhelpful manner. A study was undertaken on one large database to determine how often the display of a subject and its modifications and subdivisions extended over more than two screens and what the results on display would be of compressing geographic subdivisions and other modifications. The study then addressed the question of how often the display of a term and its subdivisions was interrupted by the appearance in the display of inverted headings, phrase headings, and headings with parenthetical qualifiers
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Svenonius, E.: Precoordination or not? (1995)
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- Content
- Vgl. auch: Sauperl, A.: Precoordination or not?: a new view of the old question. In: Journal of documentation. 65(2009) no.5, S.817-833.
- Theme
- Verbale Doksprachen im Online-Retrieval
- Type
- a
-
Svenonius, E.: Präkoordination - ja oder nein? (1994)
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- Theme
- Verbale Doksprachen im Online-Retrieval
- Type
- a
-
Svenonius, E.; Witthus, R.: Information science as a profession (1981)
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Svenonius, E.; McGarry, D.: Objectivity in evaluating subject heading assignment (1993)
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- Abstract
- Recent papers have called attention to discrepancies in the assignment of LCSH. While philosophical arguments can be made that subject analysis, if not a logical impossibility, at least is point-of-view dependent, subject headings continue to be assigned and continue to be useful. The hypothesis advanced in the present project is that to a considerable degree there is a clear-cut right and wrong to LCSH subject heading assignment. To test the hypothesis, it was postulated that the assignment of a subject heading is correct if it is supported by textual warrant (at least 20% of the book being cataloged is on the topic) and is constructed in accordance with the LoC Subject Cataloging Manual: Subject Headings. A sample of 100 books on scientific subjects was used to test the hypothesis
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Molto, M.; Svenonius, E.: ¬An electronic interface to AACR2 (1998)
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- Abstract
- Reports results of a project to explore ways of reconfiguring AACR2 for use in an automated environment. A subset of AACR2 title proper rules for books was chosen for analysis. A functional classification of the rule subset was developed, based on the 4 facets: Source, Choice, Form, and Definition. The rules were also classified according to whether they were core or peripheral. A prototype electronic interface was developed for searching and displaying the classified rules. The greatest problem in the rule reconfiguration stemmed from the structural problems of AACR2: rule groupings combining multiple subfacets under a single rule; rule redundancy; and rule scatter, between chapters, and between sections of chapters and appendices
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- a
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Svenonius, E.: Facet definition: a case study (1978)
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- Abstract
- Historical account of the sophisticated method of indexing developed by J.O. Kaiser (1896/97), a librarian at the Philadelphia Commercial Museum who established his index on cards (a novelty then) and distinguished his items according to the categories 'concrete', 'process', and 'country'. He also introduced "statement indexing" and rules to this end in order to permit the supply of "complete information" on a subject in a document. In summarizing these findings, the author stresses the necessitiy of establishing well-defined categories if an organization of terms is to serve e.g. information retrieval.
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Svenonius, E.: Bibliographic control (1990)
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Svenonius, E.: Ranganathan and classification science (1992)
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- Abstract
- This article discusses some of Ranganathan's contributions to the productive, practical and theoretical aspects of classification science. These include: (1) a set of design criteria to guide the designing of schemes for knowledge / subject classification; (2) a conceptual framework for organizing the universe of subjects; and (3) an understanding of the general principles underlying subject disciplines and classificatory languages. It concludes that Ranganathan has contributed significantly to laying the foundations for a science of subject classification.
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- a
