Enhancing Subject Access to OPACs: Controlled Vocabulary vs. Natural Language.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Cousins, Shirley Anne
Format:	Recurso educativo Open Access
Language:	en
Published:	1992
Subjects:	Comparative Analysis Dewey Decimal Classification Indexing Information Retrieval Online Catalogs Research Projects Subject Index Terms
Online Access:	Acceder al recurso
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Classification Schedules as Subject Enhancement in Online Catalogs. A Review of a Conference Sponsored by Forest Press, the OCLC Online Computer Library Center, and the Council on Library Resources.
by: Mandel, Carol A.
Published: (1986)

A Dialogue on the Subject Catalogue. J. M. Perreault: "A Representative of the New Left in American Subject Cataloguing." A Review Essay on Sanford Berman's "The Joy of Cataloging" with Response by Sanford Berman. Occasional Paper Number 161.
by: Perreault, J. M., et al.
Published: (1983)

IFLA General Conference, 1989. Division of Bibliographic Control. Open Forum of the Division; Section on Cataloguing; Section on Bibliography; Section on Classification and Indexing. Booklet 40.
Published: (1989)

Library of Congress Classification as an Online Retrieval Tool: Potentials and Limitations.
by: Chan, Lois Mai
Published: (1986)

Better Dead Than Read: Further Studies in Critical Classification.
by: Foskett, A. C.
Published: (1984)

Conversion Tables. Volume 3, Subject Headings-LC and Dewey. Second Edition.
by: Scott, Mona L.
Published: (1999)

Treatment of Persian Materials in the National Union Catalog.
by: Khosh-khui, Abolghasem Z.
Published: (1976)

Comparison of the Effect of Using Title Keyword Searching and Subject Headings among the 10 Divisions of Dewey Decimal Classification.
by: Tsai, Shu-En
Published: (1998)

Exploiting LCSH, LCC, and DDC To Retrieve Networked Resources: Issues and Challenges.
by: Chan, Lois Mai
Published: (2000)

Conversion Tables. Volume 1, LC-Dewey. Second Edition.
by: Scott, Mona L.
Published: (1999)

Conversion Tables. Volume 2, Dewey-LC. Second Edition.
by: Scott, Mona L.
Published: (1999)

Grass-Roots Cataloging and Classification: Food for Thought from World Wide Web Subject-Oriented Hierarchical Lists.
by: Dodd, David G.
Published: (1996)

Report of the Racism and Sexism in Subject Analysis Subcommittee to the RTSD/CCS Subject Analysis Committee, Midwinter 1980.
by: Dickinson, Elizabeth M., et al.
Published: (1980)

Developing an Information Infrastructure To Support Information Retrieval: Towards a Theory of Clustering Based in Classification.
by: Micco, Mary, et al.
Published: (1994)

Crisis in Cataloging Revisited: The Year's Work in Subject Analysis, 1990.
by: Young, James Bradford
Published: (1991)

The Subject Approach: Recent Developments in Indexing
by: Foskett, A. C.
Published: (1972)

Statistical Analysis of the Association Between Subject Headings and Their Corresponding Class Notations in Science and Technology Monographs.
by: Khosh-khui, Abolghasem
Published: (1981)

Analysis of a Bibliographic Database Enhanced with a Library Classification.
by: Drabenstott, Karen Markey, et al.
Published: (1990)

Improving Library Subject Access (ILSA): A Theory of Clustering Based in Classification.
by: Micco, Mary, et al.
Published: (1994)

Cataloging Books Step by Step. CSLA Guide No. 5.
by: Smith, Ruth S.
Published: (1977)

Subject Access Literature, 1987.
by: Vizine-Goetz, Diane, et al.
Published: (1988)

Dewey Decimal Classification Online Project: Evaluation of a Library Schedule and Index Integrated into the Subject Searching Capabilities of an Online Catalog. Final Report.
by: Markey, Karen, et al.
Published: (1986)

Dewey Decimal Classification Online Project: Interim Reports to the Council on Library Resources, April 1984, September 1984, and February 1985.
by: Markey, Karen, et al.
Published: (1985)

Subject-Searching Experiences and Needs of Online Catalog Users: Implications for Library Classification.
by: Markey, Karen
Published: (1985)

Redundancy and Uniqueness of Subject Access Points in Online Catalogs.
by: Xu, Hong, et al.
Published: (1998)

Preparing for the Use of Classification in Online Cataloging Systems and in Online Catalogs.
by: Cochrane, Pauline A., et al.
Published: (1985)

Automation and Cataloging.
by: Furuta, Kenneth, et al.
Published: (1990)

Subject Access Literature, 1986.
by: Markey, Karen, et al.
Published: (1987)

Subject Access: Report of a Meeting Sponsored by the Council on Library Resources (Dublin, Ohio, June 7-9, 1982).
by: Russell, Keith W., Comp.
Published: (1982)

Arranging Roots: Classification and Subject Headings for Genealogical Collections.
by: Blake, Linda, et al.
Published: (1997)

Classifying Church or Synagogue Library Materials. CSLA Guide No. 7.
by: Kersten, Dorothy B.
Published: (1988)

An Analysis of the Universal Decimal Classification as a Term System for Nuclear Science and Technology
by: Stueart, Robert D.
Published: (1971)

IFLA General Conference 1988. Division of Bibliographic Control. Section on Cataloguing; Section on Classification and Indexing; Section on Bibliography.
Published: (1988)

Subject Retrieval in the Seventies; New Directions. Proceedings of an International Symposium Held at the Center of Adult Education, University of Maryland, College Park, May 14 to 15, 1971.
by: Wellisch, Hans, Ed., et al.
Published: (1972)

Classification Clustering, Probabilistic Information Retrieval, and the Online Catalog.
by: Larson, Ray R.
Published: (1991)

Standard Cataloging for School and Public Libraries. Second Edition.
by: Intner, Sheila S., et al.
Published: (1996)

Subject Access Literature, 1988.
by: Wolner, Theresa J.
Published: (1989)

Subject Retrieval in the 1980s.
by: Cochrane, Pauline A., et al.
Published: (1981)

Introduction to Subject Indexing; a Programmed Text. Volume Two: UDC and Chain Procedure in Subject Cataloguing.
by: Brown, A. G., et al.
Published: (1976)

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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