Effects of Cataloging Volume at the Library of Congress on the Total Cataloging Costs of American Research Libraries

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Kochen, Manfred, Segur, A. Bertrand
Format:	Recurso educativo Open Access
Language:	en
Published:	1970
Subjects:	Cataloging Computers Cost Effectiveness Libraries Mathematical Models Research Libraries
Online Access:	Acceder al recurso
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Cost and Cost-Effective Studies in Libraries. 1. A Working Model. 2. Cost Analysis of the Preparations Division at VPI & SU.
by: Hobrock, Brice G., et al.
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Cost Analysis of Original Cataloging.
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Unit Time/Cost Study of the Cataloging Unit, Technical Services Division, Tucson Public Library.
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Incremental Costs of Library Service Policies for Online Catalog Access.
by: Taylor, Raymond G., Jr.
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Deciding the Future of the Catalog in Small Libraries.
by: Anderson, David C.
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Overview of the Cost of Acquiring, Cataloging, and Processing Library Materials at the Tucson Public Library.
by: Bierman, Kenneth J.
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Break-Even Point for a Proof Slip Operation
by: Anderson, James F.
Published: (1972)

The Union Catalog--Its Cost Versus Its Benefit to a Network
by: Olson, Paul E.
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Cataloging for a Specific Miniature Catalog.
by: Kilgour, Frederick G.
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The Code, the Catalog, and the Computer.
by: Ayres, F. H.
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Adopting AACR 2: The Case for Not Closing the Catalog.
by: Hewitt, Joe A., et al.
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Attempts to Deal with the "Crisis in Cataloging" at the Library of Congress in the 1940's.
by: Yee, Martha M.
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A Model for Cost Comparison of Automated Cataloging Systems
by: Pierce, Anton R., et al.
Published: (1978)

The Potential Uses of OCLC in a Cooperative System and in Non-Cataloging Functions.
by: Dedrick, Anthony J.
Published: (1977)

Time and Workflow Study of the Cataloging Process Used to Evaluate Library of Congress Cardsets as a Cataloging Support Service.
by: Jenda, Claudine Arnold
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Bibliographic Control at the Crossroads: Do We Get Our Money's Worth?
by: Koel, Ake I.
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Online Catalogs and Library Users.
by: Beckman, Margaret M.
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A Cost Analysis of the Ohio College Library Center On-Line Shared Cataloging System in the Ohio State University Libraries
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An Evaluation of the Utility and Cost of Computerized Library Catalogs. Final Report.
by: Dolby, J.L., et al.
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Alternatives for Future Library Catalogs: A Cost Model. Final Report of the Library Catalog Cost Model Project.
by: Wiederkehr, Robert R. V.
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Cutting Cataloging Costs: Accepting LC Classification Call Numbers from OCLC Cataloging Copy.
by: Massey, Susan A., et al.
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Government Publications in an Online Catalog: A Feasibility Study.
by: Bowerman, Roseann, et al.
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Cost Analysis of an Automated and Manual Cataloging and Book Processing System.
by: Druschel, Joselyn
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Cataloging: Librarianship's Best Bargain.
by: Morris, Dilys E., et al.
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Computer Output Microform (COM) Catalog Requirements for the Virginia Commonwealth University Libraries.
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Bilingual Catalogs: Challenges and Options.
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A Cost Model for Retrospective Conversion Alternatives.
by: Peters, Stephen H., et al.
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Cost Analysis of Public Libraries in Australia.
by: Karunaratne, N. D., et al.
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Evaluation of a Computer-Based Cataloging Support System for Use by the Cornell University Libraries.
by: Koehler, David W., et al.
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A New Method of Preparing a Master Card from the "National Union Catalog"
by: Schertz, Morris, et al.
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Cost/Benefit Analysis of a Catalog System for the Virginia Beach Department of Public Libraries.
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Resource Sharing or Cost Shifting?--The Unequal Burden of Cooperative Cataloging and ILL in Network.
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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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