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Dailey, J.E.: Subject headings (1980)
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- Abstract
- Enthält Geschichte der Library of Congress Subject Headings und Sears' list
- Object
- Sears List of Subject Headings
- Source
- Encyclopedia of library and information science. Vol.29
-
¬A list of Australian subject headings (1981)
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- Imprint
- Sydney : Library Association of Australia
-
Schadlich, T.: Changing from Sears to LC Subject Headings (1980)
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- Object
- Sears List of Subject Headings
-
Greenberg, A.M.: Scope notes in Library of Congress Subject Headings (1981)
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- Abstract
- Scope notes from Library of Congress Subject Headings are examined for 1) adherence to principles enunciated in the introduction to the list; 2) peculiarities of subject headings associated with such notes; 3) the structure of the notes; and 4) typical patterns associated with certain categories of subject headings. Scope notes are shown to enable catalogers to apply subject headings consistently and readers to distinguish related headings knowledgeably.
-
Miller, J.: From subject headings for audiovisual media (1988)
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- Abstract
- In subject cataloging of audiovisual materials generic terms like 'documentary' or 'absolute film' facilitate the work of users and librarians. On the concrete level the study shows 4 ways to make a list of generic terms for the application in general libraries. The heuristic function of the study is to offer methods towards the solution of problems in the field of subject cataloguing of non-book materials. (1) The formal subject heading in library science corresponds to generic terms; Anglo-American and German rules for subject cataloging, however, provide no list that is directly applicable. (2) The terminology of institutions administering many audiovisual documents has been examined; general libraries have to find a common denominator with medium depth of classification and balanced representation of fiction and nonfiction terms. (3) From encyclopedic definitions of generic terms 8 dimensions have been extracted characterizing the terms in question individually. (4) The contribution of communication science has been discussed explaining a research project
- Source
- Inspel. 22(1988), S.121-145
-
Bellamy, L.M.; Bickham, L.: Thesaurus development for subject cataloging (1989)
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- Abstract
- The biomedical book collection in the Genetech Library and Information Services was first inventoried and cataloged in 1983 when it totaled about 2000 titles. Cataloging records were retrieved from the OCLC system and used as a basis for cataloging. A year of cataloging produced a list of 1900 subject terms. More than one term describing the same concept often appears on the list, and no hierarchical structure related the terms to one another. As the collection grew, the subject catalog became increasingly inconsistent. To bring consistency to subject cataloging, a thesaurus of biomedical terms was constructed using the list of subject headings as a basis. This thesaurus follows the broad categories of the National Library of Medicine's Medical Subject Headings and, with some exceptions, the Guidelines for the Establishment and Development of Monolingual Thesauri. It has enabled the cataloger in providing greater in-depth subject analysis of materials added to the collection and in consistently assigning subject headings to cataloging record.
-
Carlyle, A.: Matching LCSH and user vocabulary in the library catalog (1989)
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- Abstract
- Central to subject searching is the match between user vocabulary and the headings from Library of Congress Subject-Headings (LCSH) used in a library catalog. This paper evaluates previous matching studies, proposes a detailed list of matching categories, and tests LCSH in a study using these categories. Exact and partial match categories are defined for single LCSH and multiple LCSH matches to user expressions. One no-match category is included. Transaction logs from ORION, UCLA's online Information system, were used to collect user expressions for a comparison of LCSH and user language. Results show that single LCSH headings match user expressions exactly about 47% of the time; that single subject heading matches, including exact matches, comprise 74% of the total; that partial matches, to both single and multiple headings, comprise about 21% of the total; and that no match occurs 5% of the time.
- Footnote
- Simultaneously published as Subject Control in Online Catalogs
-
Cross-reference index : a guide to search terms (1989)
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- Abstract
- The first edition of this work, published in 1974, was designed for librarians. It contained an alphabetical listing of subject headings in six widely used sourdes: LCSH, Sears List, Readers' Guide to Periodical Literature, New York Times Index, PAIS, and Business Periodical Index. It was a useful and popular tool, but the rapid growth of information has resulted in new access tools, both print and online, and new subject headings. The second edition of Cross-reference index reflects this expansion. The editors have added headings from the Thesaurus of ERIC Descriptors, the Thesaurus of of Psychological Index Terms, and the Subject Guide to IAC Databases to provide broader coverage of current affairs, social science, amd business. They have also redesigned the format to encourage use by the public as well as by professionals. The expansion has increased the number of main headings from 1.386 to 1.684, and the new format directs users up to 50 comparable or related terms rather than three. This creates easy access to 42.000 search terms. Cross-reference index is in two parts: an alphabetical index and a main entry section. Users consult the alphabetical section first. This refers them to one or more main-entry headings, which are in alphabetical order and numbered to correspond to the index. Under each main entry the related subject headings are arranged alphabetically in a chart format with eight columns, one for each source. An X in a colums shows that the particular source uses a given term. These charts are easy to use and make indexing quirks readily apparent. Under the entry Blood, for example, one can see that LC uses Blood-vessels, while Readers' Guide, Sears, and Psychinfo use Blood vessels. Under Broadcasting, Readers' Guide uses Television broadcasting--News, LC and IAC use Television broadcasting of news, while PAIS uses Television--news. Using this book will cut down on the frustration that often accompanies research. The diversity of the sources included will also provide several points of view, offerings users new approaches that they might not have considered. Cross-reference Index belongs in all reference collections that own most of the sources indexed.
- Object
- Sears List of Subject Headings
Thesaurus of Psychological Index Terms
-
Glickert, P.: Gradational classification : a topic-tagging scheme for computerized production of a scannable list (1982)
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- Source
- Universal classification I: subject analysis and ordering systems. Proc. of the 4th Int. Study Conf. on Classification research, Augsburg, 28.6.-2.7.1982. Ed.: I. Dahlberg
-
Thesaurus of information technology terms (1988)
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- LCSH
- Subject headings / Information technology
Subject headings / Electronic data processing
- Subject
- Subject headings / Information technology
Subject headings / Electronic data processing
-
Studwell, W.E.: Retrieving LC Subject Headings : long chains versus an increased number of headings (1989)
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-
Studwell, W.E.: Why not an 'AACR' for subject headings? (1985)
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- Abstract
- Although the rules for descriptive cataloging have been recodified twice in the past twenty years, there never has been any kind of comprehensive theoretical code for subject headings, despite some suggestions for a code over the years. This essay explains the need for a code, provides historical background, and presents some broad proposals as to the philosophy, structure, and form of the code and what the code should cover. Included is the relation between the proposed code and the Library of Congress' 1984 Subject Cataloging Manual.
- Date
- 7. 1.2007 13:22:01
-
Pettee, J.: ¬The subject approach to books and the development of the dictionary catalog (1985)
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- Abstract
- Julia Pettee's contribution to classification theory came about as part of her work an subject headings. Pettee (1872-1967) was for many years librarian of the Union Theological Seminary in New York and was best known for the classification system she developed for the seminary and as the author of the book Subiect Headings. She was one of the first to call attention to the fact that there was a classification system in subject headings. It was, as she put it, "completely concealed when scattered through the alphabetical sequence" (p. 98). On the other hand, she recognized that an index entry was a pointing device and existed to show users specific terms. Index terms, unlike subject headings, could be manipulated, inverted, repeated, and stated in as many words as might be desired. The subject heading, she reiterated, had in it "some idea of classification," but was designed to pull together like material and, unlike the index term, would have limited capability for supplying access by way of synonyms, catchwords, or other associative forms. It is interesting that she also thought of the subject heading in context as forming a three-dimensional system. Logically this is the case whenever one attempts to reach beyond the conventional hierarchy as described an a plane surface, and, in fact, thought out as if the classification were an a plane surface. Pettee described this dimension variously as names "reaching up and over the surface ... hands clasp[ing] in the air" from an individual term (pp. 99-100). Or, in other context, as the mapping of "the many third-dimensional criss-crossing relationships of subject headings." (p. 103) Investigations following Pettee's insight have shown the nature and the degree of the classification latent in subject headings and also in the cross-references of all indexing systems using cross-references of the associative type ("see also" or equivalent terminology). More importantly, study of this type of connection has revealed jumps in logic and meaning caused by homographs or homonyms and resulting in false connections in classification. Standardized rules for making thesauri have prevented some of the more glaring non sequiturs, but much more still needs to be done. The whole area of "related terms", for example, needs to be brought under control, especially in terms of classification mapping.
- Footnote
- Original in: Pettee, J.: The history and theory of the alphabetical subject approach to books. New York: Wilson 1946. S.22-25.
- Source
- Theory of subject analysis: a sourcebook. Ed.: L.M. Chan, et al
-
Khosh-khui, A.: Effects of subject specifity : Pt.1: Specifity of LC Subject Headings and depth of subject analysis in monographic records. - Pt.2: Relationships of LC Subject Headings specifity and class notation length (1986-87)
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-
Devadason, F.J.: Postulate-Based Permuted Subject Indexing Language as a metalanguage for computer-aided generation of information retrieval thesaurus (1983)
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- Abstract
- The development of the general theory of subject indexing language and of POPSI for organisation, storage and retrieval of subjects embodies in documents has a striking parallel in the search for and development of 'universal forms' and 'deep structure' in language and linguistic studies. This paper briefly traces the development of POPSI language as a metalanguage for information organisation and for generating information retrieval thesaurus. Also a computer-based system for generating an information retrieval thesaurus from modulated subject headings formulated according to POPSI which are enriched with certain codes for relating the terms in the subject headings is described. It is also mentioned that, if it is possible to form a table of equivalent terms in another language for the terms already used to generate the thesaurus, then it is possible to translate the thesaurus automatically into the other language
- Source
- International forum on information and documentation. 8(1983), S.22-29
-
Library of Congress response to Library of Congress Subject Headings "Is Euthanasia the Answer?" (1987)
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- Footnote
- Antwort auf: Henige, D.: Library of Congress Subject Headings: is euthanasia the answer?
-
Mischo, W.H.: ¬A subject retrieval function based on computer manipulated Library of Congress Subject Headings (1982)
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- Source
- Proceedings of the ASIS Annual Meeting. 19(1982), S.197-199
-
Library of Congress Subject Headings : a guide to subdivision practice (1981)
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- Editor
- Library of Congress
- Imprint
- Washington, D.C. : Library of Congress
-
McCarthy, C.: ¬A reference librarian's view of the online subject catalog (1989)
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- Abstract
- This paper suggests that the cataloging community may be setting its goals too low in its approach to online subject access. Truly effective subject retrieval for online catalog users will not be possible until the Library of Congress gives a higher priority to consistency in the assignment of subject headings. In recognition of the intellectual complexity of LCSH, the paper proposes the appointment of subject specialists to monitor the assignment of subject headings at the Library of Congress.
- Footnote
- Simultaneously published as Subject Control in Online Catalogs
-
Allen, L.: Alphabetical subject access, LCSH and a non-traditional approach (1981)
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- Abstract
- Based on experiences at the University of Western Australian Library, it has become evident that LCSH are not acceptable for Australian and/or academic usage. The problems of the list as a documentary language will be examined with consideration of such problems as choice of acceptable terminology, the structure of the list and ways in which libraries can develop theories and co-operative efforts in these areas. There will be reference to the implementation of various suggestions in both a manula and machine environment
