-
Byrne, C.C.; McCracken, S.A.: ¬An adaptive thesaurus employing semantic distance, relational inheritance and nominal compound interpretation for linguistic support of information retrieval (1999)
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- Date
- 15. 3.2000 10:22:37
- Type
- a
-
Lambert, N.: Of thesauri and computers : reflections on the need for thesauri (1995)
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- Abstract
- Most indexed databases now include their thesauri and/or coding in their bibliographic files, searchable at the databases' online connect rates. Assesses the searchability of these on the different hosts. Thesauri and classifications are also available as diskette or CD-ROM products. Describes a number of these, highlighting the diskette thesaurus from IFI/Plenum Data for its flexible databases, the CLAIMS Uniterm and Comprehensive indexes to US chemical patents
- Source
- Searcher. 3(1995) no.8, S.18-22
- Type
- a
-
Z39.19-1993: Guidelines for the construction, format, and management of monolingual thesauri (1993)
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- Abstract
- This 1993 edition is the authoritative guide constructing single-language thesauri, one of the most powerful tools for information retrieval. Written by experts, Z39.19 shows how to formulate descriptors, establish relationships among terms, and present the information in print and on a screen. Also included are thesaurus maintenance procedures and recommended features for thesaurus management systems
- Footnote
- Rez. in: Knowledge organization 22(1995) no.3/4, S.180-181 (M. Hudon)
-
Crouch, C.J.: ¬An approach to the automatic construction of global thesauri (1990)
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- Abstract
- The benefits of a well constructed thesaurus to an information retrieval system have long been recognised by both researchers and practitioners in the field. Examines both early and current approaches to automatic thesaurus construction and describes an approach to the automatic generation of global thesauri based on the term discrimination value model of Salton Yang, and Yu and on an appropriate clustering algorithm. This method has been implemented and applied to 2 document collections. Preliminary results indicate that this method, which produces improvements in retrieval performance in excess of 10 and 15% in the test collections, is viable and worthy of continued investigation.
- Date
- 22. 4.1996 3:39:53
- Type
- a
-
Busch, J.A.: Building and accessing vocabulary resources for networked resource discovery and navigation (1998)
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- Abstract
- The Getty has a lenghty history in the research and development of thesauri and other structured vocabulary tools to make the use and exchange of electronic information easier
- Date
- 22. 9.1997 19:16:05
- Type
- a
-
Aitchison, J.; Gilchrist, A.; Bawden, D.: Thesaurus construction and use : a practical manual (1997)
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-
Aitchison, J.: Subject control : Thesaurus construction standards (1991)
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- Source
- Standards for the international exchange of bibliographic information: papers presented at a course held at the School of Library, Archive and Information Studies, University College, London, 3-18 August 1990. Ed.: I.C. McIlwaine
- Type
- a
-
Rorvig, M.E.; Turner, C.H.; Moncada, J.: ¬The NASA Image Collection Visual Thesaurus (1999)
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- Abstract
- This article is an unpublished manuscript of a paper presented at the 17th Annual Mid-Year Meeting of the ASIS at Ann Arbor, Mich., May 15-18, 1988. It is the first recorded proposal for visual support of indexing. The system itself was built and developed at NASA in the Johnson space Center Image Archives from 1989 to 1992
- Type
- a
-
Schmitz-Esser, W.: Thesaurus and beyond : an advanced formula for linguistic engineering and information retrieval (1999)
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- Abstract
- This paper describes a proposal for a new approach to thesaurus design and construction that could have significant implicantions for change in the way multilingual thesauri are handled and integrated with each other. The formula presented here has its origin in the work of the German Thesaurus Committee and has had input from a number of scientists and practitioners int he field. The emphasis is on the various types of relationships found among concepts, notiions and universals in languages. These relationships are analysed and refined beyond the approach taken in existing thesauri. This proposal is very much at the discussion stage and the author invites the assistance of interested readers through criticisms, discussion and dialogue. Applications of the proposed thesaurus are included and the major goal of this proposal is to provide the basis for improved desing and integration of multilingual thesauri
- Source
- Knowledge organization. 26(1999) no.1, S.10-22
- Type
- a
-
Jones, S.; Gatford, M.; Robertson, S.; Hancock-Beaulieu, M.; Secker, J.; Walker, S.: Interactive thesaurus navigation : intelligence rules OK? (1995)
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- Abstract
- We discuss whether it is feasible to build intelligent rule- or weight-based algorithms into general-purpose software for interactive thesaurus navigation. We survey some approaches to the problem reported in the literature, particularly those involving the assignement of 'link weights' in a thesaurus network, and point out some problems of both principle and practice. We then describe investigations which entailed logging the behavior of thesaurus users and testing the effect of thesaurus-based query enhancement in an IR system using term weighting, in an attempt to identify successful strategies to incorporate into automatic procedures. The results cause us to question many of the assumptions made by previous researchers in this area
- Type
- a
-
Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998)
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- Abstract
- In this article, we report research on an algorithmic approach to alleviating search uncertainty in a large information space. Grounded on object filtering, automatic indexing, and co-occurence analysis, we performed a large-scale experiment using a parallel supercomputer (SGI Power Challenge) to analyze 400.000+ abstracts in an INSPEC computer engineering collection. Two system-generated thesauri, one based on a combined object filtering and automatic indexing method, and the other based on automatic indexing only, were compaed with the human-generated INSPEC subject thesaurus. Our user evaluation revealed that the system-generated thesauri were better than the INSPEC thesaurus in 'concept recall', but in 'concept precision' the 3 thesauri were comparable. Our analysis also revealed that the terms suggested by the 3 thesauri were complementary and could be used to significantly increase 'variety' in search terms the thereby reduce search uncertainty
- Type
- a
-
Milstead, J.L.: Thesauri in a full-text world (1998)
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- Abstract
- Despite early claims to the contemporary, thesauri continue to find use as access tools for information in the full-text environment. Their mode of use is changing, but this change actually represents an expansion rather than a contrdiction of their utility. Thesauri and similar vocabulary tools can complement full-text access by aiding users in focusing their searches, by supplementing the linguistic analysis of the text search engine, and even by serving as one of the tools used by the linguistic engine for its analysis. While human indexing contunues to be used for many databases, the trend is to increase the use of machine aids for this purpose. All machine-aided indexing (MAI) systems rely on thesauri as the basis for term selection. In the 21st century, the balance of effort between human and machine will change at both input and output, but thesauri will continue to play an important role for the foreseeable future
- Date
- 22. 9.1997 19:16:05
- Type
- a
-
¬3rd Infoterm Symposiums Terminology Work in Subject Fields, Vienna, 12.-14.11.1991 (1992)
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- Content
- Enthält 47 Beiträge den Schwerpunkten der Tagung: Biology and related fields - Engineering and natural sciences - Medicine - Information science and information technology - Law and economics - Social sciences and humanities - Terminology research and interdisciplinary aspects; darunter: OESER, E. u. G. BUDIN: Explication and representation of qualitative biological and medical concepts: the example of the pocket knowledge data base on carnivores; HOHENEGGER, J.: Specles as the basic units in taxonomy and nomenclature; LAVIETER, L. de, J.A. DESCHAMPS u. B. FELLUGA: A multilingual environmental thesaurus: past, present, and future; TODESCHINI, C. u. G. Thoemig: The thesaurus of the International Nuclear Information System: experiences in an international environment; CITKINA, F.: Terminology of mathematics: contrastive analysis as a basis for standardization and harmonization; WALKER, D.G.: Technology and engineering terminolgy: translation problems encountered and suggested solutions; VERVOOM, A.J.: Terminology and engineering sciences; HIRS, W.M.: ICD-10, a missed chance and a new opportunity for medical terminology standardization; THOMAS, P.: Subject indexes in medical literature; RAHMSTORF, G.: Analysis of information technology terms; NEGRINI, G.: Indexing language for research projects and its graphic display; BATEWICZ, M.: Impact of modern information technology on knowledge transfer services and terminology; RATZINGER, M.: Multilingual product description (MPD): a European project; OHLY, H.P.: Terminology of the social sciences and social context approaches; BEAUGRANDE, R. de: Terminology and discourse between the social sciences and the humanities; MUSKENS, G.: Terminological standardisation and socio-linguistic diversity: dilemmas of crosscultural sociology; SNELL, B.: Terminology ten years on; ZHURAVLEV, V.F.: Standard ontological structures of systems of concepts of active knowledge; WRIGHT, S.E.: Terminology standardization in standards societies and professional associations in the United States; DAHLBERG; I.: The terminology of subject fields - reconsidered; AHMAD, K. u. H. Fulford: Terminology of interdisciplinary fields: a new perspective; DATAA, J.: Full-text databases as a terminological support for translation
- Editor
- Krommer-Benz, M u. A. Manu
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Compatibility and integration of order systems : Research Seminar Proceedings of the TIP/ISKO Meeting, Warsaw, 13-15 September 1995 (1996)
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- Content
- Enthält die Beiträge: SCHMITZ-ESSER, W.: Language of general communication and concept compatibility; RIESTHUIS, G.: Theory of compatibility of information languages; DAHLBERG, I.: The compatibility guidelines - a re-evaluation; SOERGEL, D.: Data structure and software support for integrated thesauri; MURASZKIEWICZ, M., H. RYBINSKI u. W. STRUK: Software problems of merging multilingual thesauri; CHMIELEWSKA-GORCZYCA, E.: Compatibility of indexing tools in multidatabase environment; NEGRINI, G.: Towards structural compatibility between concept systems; SCIBOR, E.: Some remarks on the establishment of concordances between a universal classification system and an interdisciplinary thesaurus; HOPPE, S.: The UMLS - a model for knowledge integration in a subject field; DEXTRE-CLARKE, S.: Integrating thesauri in the agricultural sciences; ROULIN, C.: Bringing multilingual thesauri together: a feasibility study; ZIMMERMANN, H.: Conception and application possibilities of classification concordances in an OPAC environment; SOSINSKA-KALATA, B.: The Universal Decimal Classification as an international standard for knowledge organization in bibliographic databases and library catalogues; WOZNIAK, J. u. T. GLOWACKA: KABA Subject Authority File - an example of an integrated Polish-French-English subject headings system; BABIK, W.: Terminology as a level for the compatibility of indexing languages - some remarks; STANCIKOVA, P.: International integrated database systems linked to multilingual thesauri covering the field of environment and agriculture; SAMEK, T.: Indexing languages integration and the EUROVOC Thesaurus in the Czech Republic; SIWEK, K.: Compatibility discrepancies between Polish and foreign databases; GLINSKI, W. u. M. MURASZKIEWICZ: An intelligent front-end processor for accessing information systems
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Pollard, A.: ¬A hypertext-based thesaurus as subject browsing aid for bibliographic databases (1993)
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Diaz, I.: Semi-automatic construction of thesaurus applying domain analysis techniques (1998)
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- Abstract
- Describes a specific application of domain analysis to the construction of thesauri to exploit domain analysis' ability to construct valid domain representations and determine fuzzy limits that normally define specific domains. The system employs a structure, called a Software Thesaurus (developed from a descriptor thesaurus), as a repository to store the information regarding specific domains. The domain representation is constructued semi automatically and can be used as a means of semiautomatic thesaurus generation
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- a
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Stumm, D.: When is a forest fire a bushfire? : Towards an Australian Pictorial Thesaurus (1999)
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Roux, P.J.A.; Rykheer, J.H.: Developing a South African master thesaurus for community information (1990)
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- Abstract
- In 1987 the Department of Library and Information Science at the University of South Africa committed itself to a research programme on community information. As part of that programme, the Department's Centre for Library and Information Service is compiling a prototype resource file of community information for a well-defined community in the Pretoria municipality. To retrieve information from the file, the Centre adopted an alphabetical approach, which necessitated a thesaurus. Instead of developing a thesaurus for the specific needs of the particular community, a "master" thesaurus, applicable to South African communities can be generated. The development of this South African "master" thesaurus for community information is described and the results reviewed.
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- a
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Rudell-Betts, L.: New rules for thesauri (1995)
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- Abstract
- A review of ANSI-NISO Z39-19-1993 intended for indexers
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- a
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Roulin, C.: Sub-thesauri as part of a metathesaurus (1992)
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- Abstract
- A metathesaurus is a set made of a reference thesaurus and various forms of indexing languages attached to it. Among these, the sub-thesauri cover restricted fields in more detail. A functional definition of the sub-thesaurus is proposed: elements, relationships, sub-systems and rules to be respected to preserve the possibilities for communication via the reference thesaurus. Considerations on the methods of presentation, the use and the compilation are also given
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