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Bloomfield, M.: ¬A look at subject headings : a plea for standardization (1993)
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- Abstract
- In the preparation of a book on how to do a literature search, many inconsistencies were found in the assignment of subject terms. The Library of Congress Subject Headings is cited for not bringing computer languages into a consistent pattern. BASIC and FORTRAN are treated differently in their see also references and are without references to the words "computers" or "computer." Also index terms for the literature search on the "search for extraterrestrial life" showed inconsistent patterns in indexing. Catalogers and indexers need to review the work they are currently publishing and try to decide how to bring some standardization to the construction of subject terms. There is a need to provide a single thesaurus for all English index terms.
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Anderson, J.D.; Hofmann, M.A.: ¬A fully faceted syntax for Library of Congress Subject Headings (2006)
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- Abstract
- Moving to a fully faceted syntax would resolve three problems facing Library of Congress Subject Headings (LCSH): 1. Inconsistent syntax rules; 2. Inability to create headings that are coextensive with the topic of a work; and 3. Lack of effective displays for long lists of subdivisions under a single subject heading in OPACs and similar electronic displays. The authors advocate a fully faceted syntax using the facets of a modern faceted library classification (The Bliss Bibliographic Classification, 2d ed.). They demonstrate how this might be accomplished so as to integrate the new syntax with existing headings.
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Studwell, W.E.: ¬A tale of two decades, or, the decline of the fortunes of LC subject headings (1994)
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- Abstract
- Claims that there is no clear plan, comprehensive philosophy, or macro approach to the revision of Library of Congress Subject Headings. Having missed a great opportunity in the mid-1980s to develop a subject analog of AACR2, LC is now in a period of decline. Discusses alternatives to LC subject access such as PRECIS and keyword searching. Urges LC to halt and reverse the decline by bold, decisive action in the 1990s
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Studwell, W.E.: ¬The three camps : the present and possible future status of subject access in online catalogues (1996)
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- Abstract
- Considers the future of LCSH and whether their viability can be maintained through a written standardization code. Until there is an online substitute for LC subject headings which has been tested on a large scale over a period of time, a successor to the present combination of LC's controlled vocabulary headings plus computerized techniques such as keyword searching is unlikely to emerge
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Biswas, S.C.; Smith, F.: Efficiency and effectiveness of deep structure based indexing languages : PRECIS vs. DSIS (1991)
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- Abstract
- A subject indexing language (SIL) is an artificial language used for formulating names of subjects and is composed of (a) a vocabulary, (b) a list of elementary categories, and (c) the rules of syntax. A string indexing language is an SIL, whose expressions are multiple overlappimg index entries, constructed accordingly to explicit syntax rules. PRECIS, developed by Austin, and POPSI, developed by Bhattacharyya, are two such string indexing languages. DSIS is a more versatile version of the POPSI system, developed by Devadason. There have been several attempts to compare and evaluate the superiority of one system over another, with the exception that none of these tried to compare their performances from the searcher's point of view. This present study tries to compare the efficiency and effectiveness of printed subject indexes produced by PRECIS and DSIS on a non-empirical basis and based on the following five major characteristics of index entries identified by Craven as desirable from the searcher's viewpoint: (1) predicitibility, (2) collocation, (3) clarity, (4) succinctness, and (5) eliminability. A representative sample of 600 documents (both macro and micro), chosen from three different social science subject fields, has been used as the test data. The main points of discussion are (a) the term structure, (b) the term relationships, and (c) the entry structure, generated by the two systems. On the whole, a PRECIS index performs better than a DSIS index in terms of most of the above characteristics. It has been concluded that the user will search the former more efficiently and effectively than the latter
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Cheti, A.: ¬Il GRIS dall'elaborazione alla sperimentazione (1997)
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- Abstract
- Discusses the work of GRIS, a collaborative project of Italian academic and research libraries, to develop subject heading schemes for Italian libraries, resulting in the recent publication of the 'Guida all'indicizzazione per soggetto'
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Biswas, P.: Rooted in the past : use of "East Indians" in Library of Congress Subject Headings (2018)
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- Abstract
- This article argues that the use of the Library of Congress subject heading "East Indians" in reference to individuals from India represents not only a problematic vestige of colonialism, but also a failure of the principle of literary warrant. It provides an overview of the term's historical roots and then examines whether the term is still widely used in published resources. Although assigning a subject heading is not easy and can involve a choice between contested realities of diverse peoples, the author contends that a rejection of outdated terminology is central to providing any culturally sensitive tool for resource organization.
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Drabenstott, K.M.: Interpreting the findings of "A study of library users and their understanding of subject headings" (1999)
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Satija, M.P.; Joo, S.; Jeong, E.-J.: ¬The 21st sdition (2014) of the Sears List of Subject Headings : a brief introduction (2015)
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- Abstract
- States in brief the new features of the recently released 21st edition of the Sears List of Subject Headings. Introduces its new editor Barbara A. Bristow, and the new publisher EBSCO Information Services which recently acquired Sears' founder publisher since 1923, the H.W. Wilson Company. Names a few new subject headings in areas like science, technology, engineering and medicine (STEM). In this edition there are a total of 250 new headings making it a total of 10,000 preferred headings meant for small and medium sized libraries. Critically examines inconsistencies in a few headings. States the additional features of the online edition. Concludes to say the new edition maintains its stellar reputation of a handy list of general subject headings.
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Liu, Y.-H.; Wacholder, N.: Evaluating the impact of MeSH (Medical Subject Headings) terms on different types of searchers (2017)
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- Abstract
- A commonly used technique for improving search engine performance is result caching. In result caching, precomputed results (e.g., URLs and snippets of best matching pages) of certain queries are stored in a fast-access storage. The future occurrences of a query whose results are already stored in the cache can be directly served by the result cache, eliminating the need to process the query using costly computing resources. Although other performance metrics are possible, the main performance metric for evaluating the success of a result cache is hit rate. In this work, we present a machine learning approach to improve the hit rate of a result cache by facilitating a large number of features extracted from search engine query logs. We then apply the proposed machine learning approach to static, dynamic, and static-dynamic caching. Compared to the previous methods in the literature, the proposed approach improves the hit rate of the result cache up to 0.66%, which corresponds to 9.60% of the potential room for improvement.
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Dykstra, M.: Can subject headings be saved? (1988)
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Craven, T.C.: Changing technologies: impact on information: the case of string indexing (1985)
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Sicker, W.: Zur Unterscheidung zwischen Such- und Informationswert bei der Schlagwortgebung (1970)
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Villiers, L. de: On-line subject retrieval on CPALS : help us choose! (1996)
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- Abstract
- A decision must be made about the selection of a system of subject headings for the Library Service of the Western Cape in South Africa. Describes the advantages and disadvantages of the LCSH and of the Provincial Library Service of the Western Cape Subject Indes with a request to users to provide feedback about the preferred system
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- a
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Da Silva, A.M.; Azevedo, L.M. de; Nogueira, M.D.L.R.: ¬A aplicacao do SIPORbase : uma proposta de indexacao do manuscrito e do livro antigo (1995)
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- Abstract
- SIPORbase, the System for Indexing in Portuguese, was developed by the National Library of Portugal, based on the LCSH. In contrast to the Brunet-Parguez system used in France, SIPORbase is a coextensive indexing language. Its initial application in 1989 to current bibliography has been extended to the collection of codices. Experience with manuscripts only indicates a high degree of relevance in retrieval, from the several hundred subject headings created so far
- Content
- Revised version of a presentation given at a LIBER workshop on The Brunet-Parguez system for subject indexing of ancient books, held in Toulouse in Feb 1994
- Footnote
- Übers. d. Titels: The application of SIPORbase: a proposal for indexing ancient manuscripts and books
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Bodoff, D.; Kambil, A.: Partial coordination : II. A preliminary evaluation and failure analysis (1998)
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- Abstract
- Partial coordination is a new method for cataloging documents for subject access. It is especially designed to enhance the precision of document searches in online environments. This article reports a preliminary evaluation of partial coordination that shows promising results compared with full-text retrieval. We also report the difficulties in empirically evaluating the effectiveness of automatic full-text retrieval in contrast to mixed methods such as partial coordination which combine human cataloging with computerized retrieval. Based on our study, we propose research in this area will substantially benefit from a common framework for failure analysis and a common data set. This will allow information retrieval researchers adapting 'library style'cataloging to large electronic document collections, as well as those developing automated or mixed methods, to directly compare their proposals for indexing and retrieval. This article concludes by suggesting guidelines for constructing such as testbed
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Olson, H.A.: Difference, culture and change : the untrapped potential of LCSH (2000)
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- Abstract
- The Library of Congress Subject Headings have traditionally attempted to reflect reality neutrally. The result is bias in representing cultural margins. While neutrality is one of the ethical stances espoused by librarianship, another is universal and equitable access to information for the betterment of humanity. This paper views LCSH as a potential tool for cultural change using Homi Bhabha's postcolonial concept of a Third Space as a model. LCSH functions as a Third Space where the meanings of documents are constructed and enunciated for library users. Therefore, it is in LCSH that there is potential for instigating change
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Mitchell, V.; Hsieh-Yee, I.: Converting Ulrich's subject headings(TM) to FAST headings : a feasibility study (2007)
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- Abstract
- This paper presents a study that assessed the feasibility of applying the approach of the Faceted Application of Subject Terminology (FAST), an initiative of the Online Computer Library Center (OCLC), to records in the Ulrich's Periodicals Directory.? The goal is to determine whether a simplified application of Library of Congress Subject Headings (LCSH), as illustrated by FAST, would benefit the Ulrich's system. This feasibility study found that although a few problems were encountered in the process, overall the FAST database was useful for converting Ulrich's subject headings into FAST headings.
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Bone, C.; Lougheed, B.: Library of Congress Subject Headings related to indigenous peoples : changing LCSH for use in a Canadian archival context (2018)
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- Abstract
- The Association for Manitoba Archives has created a database where members can deposit archival descriptions to provide a central search for users. Library of Congress Subject Headings (LCSH) were chosen as the controlled subject vocabulary to use in the descriptions, but changes were made to LCSH to better describe material about or by Indigenous peoples. Examples include: the word "Indian"; geographic place embedded in terms such as "Indians of North America"; changes related to Manitoba peoples specifically; and miscellaneous changes not part of a larger pattern. New terms were also added.
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Badalamenti, G.: ¬L'¬introduzione del GRIS in un sistema multibiblioteche : realta e problemi aperti (1997)
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- Abstract
- The GRIS subject heading scheme is the outcome of a collaborative project of Italian research and academic libraries. Describes the efforts to introduce the scheme to a number of libraries in the Siena Library Service in Italy in the last 3 years. Notes the phases of this project, pricipally a series of trainign seminars and a year of experimentation, before agreement by most of the libraries to implement the scheme. Describes the main features of the electronic subject heading files as they now exist, as they cope with pre existing schemes and the new scheme. Provides statistical sata on these files and outlines the problems which remain to be solved in thre implementation of the scheme
- Footnote
- Übers. des Titels: The introduction of the GRIS subject heading scheme in a multi library system: reality and continuing problems
- Type
- a
