Search (45 results, page 1 of 3)

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Abstract

A study group representing four European national libraries (the Swiss National Library, Die Deutsche Bibliothek, the Bibliothèque nationale de France and The British Library) recently conducted a study on the possibility of establishing multilingual thesaural links between the headings in the LCSH authority file and the authority files of the German indexing system SWD/RSWK and the French indexing system RAMEAU. The study demonstrated a high level of correspondence in main headings, but also revealed a number of issues requiring further investigation. The study group's findings led to recommendations on the scope for the development of a prototype system for linking the three Subject Heading Languages (SHLs) in the databases of the four institutions

Date

27. 5.2001 16:22:10

Series

Cataloging and classification quarterly; vol.29, nos.1/2

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Abstract

The Nuovo soggettario, the official Italian subject indexing system edited by the National Central Library of Florence, is made up of interactive components, the core of which is a general thesaurus and some rules of a conventional syntax for subject string construction. The Nuovo soggettario Thesaurus is in compliance with ISO 25964: 2011-2013, IFLA LRM, and FAIR principle (findability, accessibility, interoperability, and reusability). Its open data are available in the Zthes, MARC21, and in SKOS formats and allow for interoperability with l library, archive, and museum databases. The Thesaurus's macrostructure is organized into four fundamental macro-categories, thirteen categories, and facets. The facets allow for the orderly development of hierarchies, thereby limiting polyhierarchies and promoting the grouping of homogenous concepts. This paper addresses the main features and peculiarities which have characterized the consistent development of this categorical structure and its effects on the syntactic sphere in a predominantly pre-coordinated usage context.

Date

26.11.2023 18:59:22

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Abstract

This article deals with the meaningful processing of information in relation to two systems of Information processing: pre-coordination and post-coordination. The different approaches are discussed, with emphasis an the need for a controlled vocabulary in information retrieval. Assigned indexing, which employs a controlled vocabulary, is described in detail. Types of indexing language can be divided into two broad groups - those using pre-coordinated terms and those depending an post-coordination. They represent two different basic approaches in processing and Information retrieval. The historical development of these two approaches is described, as well as the two tools that apply to these approaches: thesauri and subject headings.

Source

Knowledge organization. 29(2002) no.2, S.87-93

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Abstract

Purpose - This paper aims to discuss some long-standing issues of the development of a subject heading language as pre- or postcoordinated. Design/methodology/approach - In a review of literature on pre- and postcoordination and user behaviour, 20 criteria originally discussed by Svenonius are considered. Findings - The advantages and disadvantages of pre- and postcoordinated systems are on a very similar level. Most subject heading languages developed recently are precoordinated. They all require investments in highly skilled intellectual work, and are therefore expensive and difficult to maintain. Postcoordinated systems seem to have more advantages for information providers, but less for users. However, most of these disadvantages could be overcome by known information retrieval models and techniques. Research limitations/implications - The criteria originally discussed by Svenonius are difficult to evaluate in an exact manner. Some of them are also irrelevant because of changes in information retrieval systems. Practical implications - It was found that the decision on whether to use a pre- or postcoordinated system cannot be taken independent of consideration of the subject authority file and the functions of an information retrieval system, which should support users on one hand and information providers and indexers on the other. Originality/value - This literature review brings together some findings that have not been considered together previously.

Date

20. 6.2010 14:22:43

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Content

Beitrag eines Special Issue: ISKO-Italy: 8' Incontro ISKO Italia, Università di Bologna, 22 maggio 2017, Bologna, Italia.

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Footnote

Übers. d. Titels: KABA subject headings system: 6 years of its development

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Abstract

Considers the development in subject heading systems in Europe and America in recent years. Presents these developments in terms of the indexing languages used, the methods of subject analysis used, and the instruments comprised by the different systems (e.g. the rules governing the control of vocabulary and the construction of strings). Discusses the principles underlying the systems

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Abstract

Gives an account of the theoretical work underpinning the development of subject heading schemes for Italian libraries, as developed by the GRIS collaborative project of Italian research and academic libraries. Discusses semantic categories and principles of citation, rules for the syntax of subject headings, and logica syntactic principles for citation order

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Abstract

The article provides definitions of alphabetization and related concepts and traces its historical development and challenges, covering analog as well as digital media. It introduces basic principles as well as standards, norms, and guidelines. The function of alphabetization is considered and related to alternatives such as systematic arrangement or classification.

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Date

27. 5.2001 16:22:21

Series

Cataloging and classification quarterly; vol.29, nos.1/2

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Abstract

Over the last ten years, the Servizio Bibliotecario Nazionale (SBN) has become the largest Italian network of bibliographic services. The creation of the SBN Index database and its growth through shared cataloging were the focus of attention during the early phase, and for years, discussion was limited to questions of author cataloging and bibliographic description. Subject cataloging was excluded from the cooperative activity of the member libraries. In 1990 the Working Group on Subject Headings and Classes was established to examine this situation. First, a partial solution was found, to permit the launch of the network itself. This was followed, several years later, by the development of the SBN OPAC and the creation of the file of subject headings and classes in the SBN Index. From an operational perspective, the choice was made to forego managing the subject headings file in accordance with shared cataloging principles, with mixed results. In order for the subject file to have broader coverage and to further encourage cooperative subject cataloging, the SBN Index Development Program, in which the Istituto Centrale per il Catalogo Unico delle Biblioteche Italiane (ICCU) has been engaged for about two years, aims at enriching services of the database and opening up new and diversified types of usage. Almost simultaneously the Biblioteca Nazionale Centrale di Firenze (BNCF) initiated a feasibility study on the revision of the Soggettario delle biblioteche italiane (List of Subject Headings in Italian Libraries) for the catalogs of Italian libraries. Both the BNCF and the ICCU share the goal of building a new, consistent vocabulary for documentation of subject matter.

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Abstract

The LCSH system is still an important part of the future for subject access to catalogues of bibliographic records. The British Library has decided to reinstate LCSH to records created for the BNB, because of the economic necessity of cooperation and because it provides an available common standard. Outlines development plans for the LCSH, and the British Library's involvement through its participation in the Subject Authorities Cooperative programme. It will also be involved in: training in the application of LCSH, and indexing of works of literature and fiction. The cooperative trend is now towards the creation of an international subject authority database

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Imprint

London : British Library Research and Development Department

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Abstract

This writeup presents the fundamentals of subject indexing in terms of its development, scope, coverage, role in subject indexing techniques and the important elements to design a well-structured and effective subject indexing process, requirements and the infrastructure. From the time of RDC to PRECIS, the developers has been envisaged the problems to expand the flexibility and versatility of indexing technique. Whenever one indexing process is failed to achieve the maximum efficiency another is developed on the basis of failure. It concludes that all the developments of subject indexing processes during that era are leads to the innovation of Artificial Intelligence technique (AI), i.e. Natural Language Processing (NLP) by implementation of Information and Communication Technology (ICT) in present time.

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Content

The National Central Library in Florence, Italy, has commissioned a feasibility study for the renewal of the Soggettario [Subject headings for Italian libraries]. [It is indispensable for the theoretical development to take place within the international debate and to approach the topic of a new Soggettario with reference to the FRBR.}. The subject is analysed as a relation between the entities in the third group: concept, object, event, place and the entity work. The model identifies the logical entities, attributes and relationships which run between the entities. The article returns to and amplifies the user tasks of FRBR which involve a subject: (1) Find the works on a given subject; (2) Find the works in which a concept is significantly treated; (3) Select a work by its main subject only; (4) Lead to a search for works on related subjects; (5) Lead to a search for works in which related or connected subjects are handled.

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Abstract

With the current information environment characterized by the proliferation of digital resources, including collaboratively created and shared resources, Library of Congress Subject Headings (LCSH) is facing the challenges of effective and efficient subject-based organization and retrieval of digital resources. To explore the feasibility of utilizing LCSH in a digital environment, we might need to revisit its basic characteristics. The objectives of our study were to analyze LCSH in both syntactic and relational structures, to discover the structural characteristics of LCSH, and to identify problems and issues for the feasibility of LCSH as an effective subject access tool. This study reports and discusses issues raised by the syntactic and hierarchical structures of LCSH that present challenges to its use in a networked environment. Given the results of this study, we recommend a number of provisional future directions for the development of LCSH towards further becoming a viable system for digital and networked resources.

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Footnote

Soll eine Erwiderung sein auf: Lepsky, K.: RSWK - und was noch in: Bibliotheksdienst 29(1995) H.3, S.500-519.

Source

Bibliotheksdienst. 29(1995) H.4/5, S.670-682

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Abstract

Pauline Cochrane and Monika Kirtland's "Critical views of LCSH-Library of Congress Subject Headings: a bibliographic and bibliometric essay" published in 'Cataloging & classification quarterly 1(1982) S.71-93' has been widely cited as a source for discussion and complaints about LCSH. Cochrane and Kirtland cover the literature from 1944-1979. The present work provides a critique of the Cochrane/Kirtland study and a survey of the literature concerning the LCSHs during the 1980s. The classified bibliography is arranged according to the format of the Cochrane/Kirtland study to facilitate comparison. Criticism of LCSH reiterates the same points over and over again, whether it is sparseness, bias or currency of the subject headings. Significant trends which emerged in the 1980s include an increased emphasis on the use of LCSH as an online searching tool, concern for the syndetic structure of LCSH and the role of subdivisions, as well as repeated calls for the development of coherent standards to ensure LCSH evolves and is applied in a consistent manner

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Date

25.11.2005 18:37:22

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Abstract

Work on a prototype of the new Soggettario (the main Italian subject heading list) has begun in October 2004 at the Central National Library of Florence (BNCF). BNCF is involving in the renewal of the most used subject indexing tool of Italian libraries. The project had already produced a Feasibility Study, representing a reference for the works which have started recently. An Italian abstract of the Feasibility Study, and more documentation, can be found in the BCNF website at the Web address <http://www bncf.firenze.sbn.it/progetti/>. Together with the project team and the BNCF staff, some young external consultants are working, who are focusing on the terminological component of the system, namely the prototype of the Thesaurus. At the same time, documents are produced which define procedures, establish criteria, and give guidelines. The list of items by which the prototype started consists of: - the terms included in the updates provided by the Italian National Bibliography (BNI) during the period 1986-1998 (already published in the form of lists); - the items introduced from 1999 to 2005 - other items introduced in the past years but never recorded; - some terms from the Soggettario (1956) or from BNI updates (1956-19S5), being especially outdated and needing revision. In building the semantic networks and the hierarchies, and in making the terminological control, of course, more terms have to be included, which come from the Soggettario, the BNI and other authoritative sources both catalographic (various indexing tools) and lexicographic (general and special directories). DDC numbers are also related to the terms in the Thesaurus. The prototype, to be completed in April 2006, will include a sample of terms for each disciplinary area. About 5000 terms will have a complete structure, but 6000 more will be included in the Thesaurus in order to fill the semantic networks, and marked with a different working status. For the prototype the AgroVoc software is used, which has been provided by FAO and adapted by the BNCF computing staff in order to match the specific requirements of the project. Thanks to the potential of this software, we intend to test in future on the multilingual side of terminology. Such work is likely to begin by testing links to the corresponding forms used by the Library of Congress. We are currently beginning to focus on this, and we wish that external parties be involved which are concerned with multilingual terminology in more or less specialistic contexts. We will follow the road of conventions with Italian universities, which could cooperate to this development through their students and graded students. We are also looking at the developments in the work of the British BSI working group on standards for thesauri convened by Stella Dextre Clarke.