-
Cousins, S.A.: Enhancing subject access to OPACs : controlled vocabulary vs. natural language (1992)
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- Abstract
- Experimental evidence suggests that enhancing the subject content of OPAC records can improve retrieval performance. This is based on the use of natural language index terms derived from the table of contents and back-of-the-book index of documents. The research reported here investigates the alternative approach of translating these natural language terms into controlled vocabulary. Subject queries were collected by interview at the catalogue, and indexing of the queries demonstrated the impressive ability of PRECIS, and to a lesser extent LCSH, to represent users' information needs. DDC performed poorly in this respect. The assumption was made that an index language adequately specific to represent users' queries should be adequate to represent document contents. Searches were carried out on three test databases, and both natural language and PRECIS enhancement of MARC records increased the number of relevant documents found, with PRECIS showing the better performance. However, with weak stemming the advantage of PRECIS was lost. Consideration must also be given to the potential advantages of controlled vocabulary, over and above basic retrieval performance measures
- Theme
- Verbale Doksprachen im Online-Retrieval
-
Gratch, B.; Settel, B.; Atherton, P.: Characteristics of book indexes for subject retrieval in the humanities and social sciences (1978)
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- Source
- Indexer. 11(1978), S.14-22
-
Ingwersen, P.; Wormell, I.: Modern indexing and retrieval techniques matching different types of information needs (1989)
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- Source
- International forum on information and documentation. 14(1989), S.17-22
-
Makinen, R.H.; Friesen B.: Enhancing online bibliographic records to improve retrieval of reference collection monographs (1995)
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- Abstract
- Reports a project to enhance the records of the reference book collection, held on the online catalogue of the Minnesota University, Bio-Medical Library, with tables of contents or summaries; and to keyword index the enhancement fields to improve searching
-
Lam, V.-T.: Enhancing subject access to monographs in Online Public Access Catalogs : table of contents added to bibliographic records (2000)
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- Abstract
- Subject access to monographs through online public access catalogs (OPACs) has always been a major concern for large research and/or academic libraries. Academic library practice of providing subject access to monographs has proven inadequate, especially in the case of composite works. Many techniques have been proposed to enhance subject treatment of monographs in OPACs. This article briefly reviews these efforts in the past and presents the case of adding Tables of Contents as one of the Most useful and probably also one of the Most costeffective ways of improving subject access to Monographs in an academic environment.
- Date
- 22. 9.1997 19:16:05
-
Hauer, M.: Collaborative catalog enrichment : 4. Benutzertreffen intelligentCAPTURE / dandelon.com (2007)
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- Abstract
- dandelon.com hat im deutschsprachigen Raum die Suche nach wissenschaftlichen Büchern revolutioniert. Durch Scanning und Digitalisierung von Inhaltsverzeichnissen entsteht eine neue Qualität bei der wissenschaftlichen Literatursuche. Dahinter steckt mehr als eine einfache Volltextsuche, die Texte werden linguistisch analysiert und die Fragen mittels eines intellektuell konstruierten, großen semantischen Netzes mit 1,6 Millionen Fachbegriffen in 20 Sprachen interpretiert. Die gesamte Produktion geschieht kooperativ, länderübergreifend und ist offen für Bibliotheken, Dokumentationszentren, Verlage, Bücherhändler und andere Partner. Die Suche ist öffentlich und kostenfrei.
- Content
- Das Highlight unter den Referaten bei dieser Tagung waren die Ausführungen des Vordenkers Andreas Prokoph, Lead Architect - Search Technologies and Portal Server Development, vom deutschen IBM Entwicklungslabor. Er sprach über Information Retrieval. Mit über 200 Patenten, darunter auch seinen eigenen, liegt IBM in diesem Forschungsfeld weit vorne. Die IBM Suchmaschine OMNIFIND soll möglichst bald die Suchtechnik hinter dandelon.com ersetzen und den Suchraum auf Kataloge, Open Archives, Verlage, Hochschul-Server ausdehnen. Schon heute basieren intelligentCAPTURE und dandelon.com weitgehend auf IBM-Technologien, konkret Lotus Notes & Domino und Lotus Sametime (www.ibm.corn/ lotus/hannover), aber auch auf integrierten Modulen anderer international führender Technologiespezialisten."
-
Pienaar, R.E.: Enhancement of subject access in online public access catalogues (OPACs) (1989)
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- Abstract
- Subject access plays an important part when plans are made for an on-line public access catalogue (OPAC). Therefore, current subject searching facilities in OPACs should be accessed carefully. These facilities include, amongst other things, phrase searching, keyword searching and class number retrieval. Users reaction have been instrumental in identifying certain shortcomings in subject access to OPACs. Points out certain shortcomings in subject access, as shown by a number of research projects undertaken during the past decade. Highlights aspects which could, in future, improve subject access in OPACs. This could be achieved by either enhancing content representation in the records within the OPAC data base or by enhancing the searchability and browsability of the OPAC. Considers whether the on-line catalogue will ever be a finished, perfect product, or achieve the universal, familiar uniformity experienced by users of the 20th century card catalogue.
-
Kantor, P.B.; Voorhees, E.: Information retrieval with scanned texts (2000)
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- Source
- Information retrieval. 2(2000), S.165-176
-
"Catalogue enrichment" : hbz kooperiert mit Springer (2006)
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- Abstract
- Ein weiterer Meilenstein beim Catalogue Enrichment ist die Kooperation zwischen dem Hochschulbibliothekszentrum NRW (hbz) und Springer Science+Business Media. Ziel der Kooperation ist eine Anreicherung der im hbz-Verbundbestand nachgewiesenen Springer-Titel um Inhalte wie Buchcover, Inhaltsverzeichnisse, Vorworte und Probekapitel.
- Content
- "»Die Anreicherung von Bibliothekskatalogen bedeutet zusätzliche Informationen für die Bibliotheksnutzer«, betont Hans Ollig; der Leiter des hbz. »Sie erhalten dadurch wichtige Orientierungs- und Entscheidungshilfen bei der Auswahl der Literatur.« Der Springer-Verlag lieferte dem hbz zunächst einen Grundbestand von 22.000 Objekten der Verlagsproduktion der letzten fünf Jahre. Daran schließen sich Ergänzungslieferungen an: Neue Titel des Verlags werden monatlich auf den Servern des hbz eingespielt. Technische Basis des Catalogue Enrichment sind das Verbundsystem Aleph, der hbz-Medienserver und die hbz-Suchmaschinentechnologie zur Präsentation der Daten. Zunächst sind die rund 17.000 im hbz-Verbundkatalog vorhandenen Springer-Titel in den Medienserver geladen und in der hbz-Verbunddatenbank verfügbar gemacht worden. Von dort aus werden sie in die lokalen Kataloge der Verbundbibliotheken und in den Dreiländerkatalog des hbz integriert. Die Daten werden soweit möglich volltextlich indexiert und können somit bei der Recherche direkt durchsucht werden. Die Kooperation mit Springer Science+Business Media ist erst der Anfang: Das hbz verhandelt bereits mit weiteren Verlagen und Datenanbietern über Kooperationen, um den Bibliotheken weiteren, über die traditionelle sachliche Erschließung hinausgehenden Mehrwert für ihre Kataloge bieten zu können,"
-
Intner, S.S.: Enhancing OPACs (1993)
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- Abstract
- Considers characteristics of online catalogue records which have been inherited from card catalogue systems and which should be removed. Considers display style, abbreviations, brevity, and uniformity. Examines possible enhancements to online records. Covers: retrievability, added information, browsability and interactivity
-
Settel, B.; Cochrane, P.A.: Augmenting subject descriptions for books in online catalogs (1982)
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-
Mandel, C.A.; Herschman, J.: Online subject access : enhancing the library catalog (1983)
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-
Markey, K.: ¬The process of subject searching in the online catalog : final report of the Subject Access Project (1983)
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-
Wormell, I.: Factual data retrieval according to SAP-technique (1983)
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-
Wormell, I.: Factual data retrieval according to SAP technique (1983)
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-
Dillon, M.: Enhanced bibliographic record retrieval experiments (1989)
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-
Ingwersen, P.; Wormell, I.: Means to improve subject access and representation in modern information retrieval (1988)
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Dillon, M.; Wenzel, P.: Retrieval effectiveness of enhanced bibliographic records (1990)
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Wormell, I.: Subject Access Project : the use of book indexes for subject retrieval systems in libraries (1981)
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Mandel, C.: Enriching the library catalog record for subject access (1985)
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- Abstract
- This paper analyzes proposals for augmenting library bibliographic records for improved subject searching in online catalogs. Possible fields for enrichment are described and their likely value assessed. The assessment determines that the main value of enriched records would be to provide access to parts of books. The paper presents arguments for and against adding book content indexing to the online catalog and analyzes the feasibility of eleven alternatives for providing such information
