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Bibliographic Details
Main Author:	Wepsiec, Jan
Format:	Recurso educativo Open Access
Language:	en
Published:	1978
Subjects:	Anthropology Cataloging College Libraries Library Catalogs Subject Index Terms
Online Access:	https://eric.ed.gov/?id=EJ178069
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On Changing Subject Headings
by: White, John B.
Published: (1972)

Specificity, Syndetic Structure, and Subject Access to Works about Individual Corporate Bodies.
by: Wilson, Mary Dabney
Published: (1998)

Subject Headings for Individual Works of Art, Architecture, and Analogous Artifacts and Structures. A Final Report.
by: Younger, Jennifer, et al.
Published: (1981)

The Cataloger's Right Arm: The Library of Congress
by: Tate, Elizabeth L.
Published: (1975)

Evaluating the Use of Catholic Subject Headings in an Academic Library: A Case Study.
by: Griffin, Mary Ann
Published: (1988)

Critical Views of LCSH--the Library of Congress Subject Headings; A Bibliographic and Bibliometric Essay and An Analysis of Vocabulary Control in the Library of Congress List of Subject Headings (LCSH).
by: Cochrane, Pauline A., et al.
Published: (1981)

The Principle of Uniform Heading in Library of Congress Subject Headings
by: Chan, Lois Mai
Published: (1978)

Subject Heading Revision: A System for Small Libraries.
by: Leibtag, Susan
Published: (1982)

Subject Access to Diversity Materials: The Library of Congress Subject Heading Shortfall.
by: Nuckolls, Karen A.
Published: (1994)

Concerning Subject Authority Catalogues
by: McKinlay, John
Published: (1972)

Subject Headings Trauma
by: Kanwischer, Dorothy
Published: (1975)

Subject Headings for a Local Catalog
by: Rydings, H. Anthony
Published: (1975)

Computer-Based Subject Authority Files at the University of Minnesota
by: Grosch, Audrey N.
Published: (1972)

"American Poetry" but "Satire, American;" The Direct and Inverted Forms of Subject Headings Containing National Adjectives
by: Chan, Lois Mai
Published: (1973)

Do-It-Youself Subject Cataloging: Sources and Tools.
by: Berman, Sanford
Published: (1982)

The Classified Catalogue: LU Style
by: Wong, C.-C., et al.
Published: (1971)

Children "Idiots," the "Underground," and Others
by: Berman, Sanford
Published: (1971)

Is the Card Catalogue's Unquestioned Sway in North America Ending?
by: Elrod, J. McRee
Published: (1976)

Subject Headings Employed in Research Libraries to Describe Bilingual and Bicultural Materials.
by: Welch, Thomas L.
Published: (1978)

Year's Work in Subject Analysis: 1979.
by: Clack, Doris Hargrett
Published: (1980)

The Collection Formula: An Experiment in Structuring Headings.
by: Barnett, Patricia J.
Published: (1979)

The Period Subdivision in Subject Headings
by: Chan, Lois Mai
Published: (1972)

Coping with Subject Heading Changes.
by: Preston, Gregor A.
Published: (1980)

COM, Anglo-American Cataloging Rules II and All That Jazz.
by: Morris, Leslie R., et al.
Published: (1980)

The Economics of Single-entry and Multiple-entry Classified Files
by: Simpson, I. S.
Published: (1974)

Local History in the Small College Library
by: Fogleman, Marguerite F., et al.
Published: (1971)

Public Library Subject Headings for 16mm Motion Pictures. Revised.
Published: (1974)

Subject Access in the Online Catalog.
by: Mandel, Carol A.
Published: (1981)

Subject Access Project. Third Quarterly Report.
by: Atherton, Pauline
Published: (1977)

Subject Access Project; First Quarterly Progress Report.
Published: (1976)

Modern Subject Access in the Online Age.
by: Cochrane, Pauline A.
Published: (1984)

Geological/Geographical Name Subject Access.
by: Binder, Joan E., et al.
Published: (1989)

Implementation of a Detailed List of Subject Headings on Mormons and Mormonism within the Library of Congress Subject Heading System.
by: Birkinshaw, Scott B., et al.
Published: (1978)

Subject Enhancement: Report on an Experiment.
by: Knutson, Gunnar
Published: (1991)

Present and Impending Developments Based on Actions by LC. Subgroup 1; Interim Report. Appendix 1.
Published: (1975)

Modern Subject Access in the Online Age.
by: Cochrane, Pauline A.
Published: (1984)

PRECIS: Indexing to Revolutionize Subject Access to Information in School Resource Centres
by: Taylor, Audrey, et al.
Published: (1976)

Online Subject Access--Enhancing the Library Catalog.
by: Mandel, Carol A., et al.
Published: (1983)

Uniform Titles: Their Use in Descriptive Cataloging.
by: Eisenberg, Elizabeth Stacey
Published: (1979)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// 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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