A New Catalog: Some Ideas on Its Purpose, Form, Cost, and Planning for It.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Kaske, Neal K.
Format:	Recurso educativo Open Access
Language:	en
Published:	1979
Subjects:	Change Strategies Computer Output Microfilm Costs Diagrams Libraries Library Catalogs Library Planning Methods Opinions Speeches
Online Access:	Acceder al recurso
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U.C.L.A. Working Group on Public Catalogs. Appendix II. Subgroup II; Interim Report: Long Term Goals, Alternatives.
Published: (1975)

Computer Output Microform (COM) Catalog Requirements for the Virginia Commonwealth University Libraries.
by: White, Robert L.
Published: (1979)

Computer Output Microfilm (COM): An Alternative to Card Catalogs for SOLINET Members.
by: Cravey, Randall, et al.
Published: (1977)

The King Research Project: Design for a Library Catalog Cost Model.
by: Mullikin, Angela G.
Published: (1981)

The COM Catalog: A Plan for Implementation.
by: Reibach, Lois R.
Published: (1981)

Administrative and Bibliographic Uses of COM (Computer Output Microfilm) in an Academic Library.
by: Gillham, Virginia, et al.
Published: (1976)

RLMS Micro-File: Current State of Catalog Card Reproduction. Supplement 1.
by: Nitecki, Joseph Z., Comp.
Published: (1974)

Report of the Task Force on Catalog Usage.
by: Begg, Karin, et al.
Published: (1979)

Estimating Space Requirements for Microfilm Catalogs and CRT Access to Computer Data Bases.
by: Adler, Peter K.
Published: (1976)

Microform Developments Related to Acquisitions
by: Sullivan, Robert C.
Published: (1973)

The Display Medium and the Price of the Message
by: Malinconico, S. Michael
Published: (1976)

Alternatives for Future Library Catalogs: A Cost Model. Final Report of the Library Catalog Cost Model Project.
by: Wiederkehr, Robert R. V.
Published: (1980)

"Sometimes Dirty Things Are Seen on the Screen": A Mini-Evaluation of the COM Microcatalogue at the University of Toronto Library
by: deBruin, Valentina
Published: (1977)

Cost/Benefit Analysis of a Catalog System for the Virginia Beach Department of Public Libraries.
Published: (1978)

Report of the Task Force on Cost Analysis and Technical Considerations.
by: Seal, Robert A., et al.
Published: (1979)

Computer Output Microfilm and Library Catalogs.
by: Meyer, Richard W.
Published: (1978)

Card Catalog to COM
by: North, John
Published: (1977)

COM Catalog Based on OCLC Records
by: Meyer, Richard W., et al.
Published: (1975)

On My Mind...Reactions to a COM Catalog
by: Altman, Ellen
Published: (1977)

Microform Catalogs: A Viable Alternative for Texas Libraries.
by: Cox, Carolyn, M., et al.
Published: (1977)

A System for Retrospective Conversion.
by: Epstein, Hank
Published: (1984)

Microforms and the Library: A Review Article.
by: Spreitzer, Francis F.
Published: (1979)

Cooperative Catalog Conversion Study. Final Report.
Published: (1981)

Online Public Access Catalogs: Assessing the Potential.
by: Matthews, Joseph R.
Published: (1982)

COM Catalogues at the University of Guelph Library
by: Hill, Jean, et al.
Published: (1978)

"Where's the Catalog?" An Introduction.
by: Rockman, Ilene F.
Published: (1979)

Progress in Documentation: The Catalogue.
by: Bryant, Philip
Published: (1980)

The Rudolph Machine.
by: Wellisch, Hans H.
Published: (1981)

Fiche or File for COM Catalogs: Two Use Tests.
by: Hodges, Theordora, et al.
Published: (1982)

Specifications for a COM Catalog Designed for Government Documents.
by: Copeland, Nora S., et al.
Published: (1981)

Teaching the COM Microcatalogue.
by: Murray, Carolyn K.
Published: (1979)

Bibliographic Access to Full Descriptive Cataloging with COM
by: Wassom, Earl E., et al.
Published: (1978)

Library Data Processing Feasibility Report.
by: Mears, M. J., et al.
Published: (1971)

Catalog on Microfiche at the Eastman Kodak Libraries
by: Freund, Clare E.
Published: (1977)

Predicting the Number of Public Computer Terminals Needed for an On-Line Catalog: A Queuing Theory Approach.
by: Knox, A. Whitney, et al.
Published: (1980)

Year's Work in Descriptive Cataloging: 1979.
by: Rinehart, Constance
Published: (1980)

Task Force on the Future of the Cornell University Libraries Card Catalogs. Report #1: Recommendations and Future Agenda, Appendices.
by: Jebb, Marcia, et al.
Published: (1977)

Descriptive Cataloging in 1980.
by: Rinehart, Constance
Published: (1981)

Bibliographic Access to Microform Collections.
by: Niles, Ann
Published: (1981)

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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