Analytical Models for Library Planning

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Leimkuhler, Ferdinand F., Cooper, Michael D.
Format:	Recurso educativo Open Access
Language:	en
Published:	1971
Subjects:	Cost Effectiveness Library Acquisition Library Circulation Library Collections Library Material Selection Library Planning Models Operations Research Use Studies
Online Access:	Acceder al recurso
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Collection Development and Selection Decision-Making at the Smithsonian Institution Libraries; A Survey of the Curators of the National Museum of Natural History and the National Museum of History and Technology, September 1970--June 1971.
by: Sloan, Elaine
Published: (1971)

Analytical Planning for University Libraries.
by: Leimkuhler, Ferdinand F., et al.
Published: (1970)

Some Measures of Cost Effectiveness in Library Collections.
by: Hamaker, Charles A.
Published: (1992)

A Reply to the Kent Study.
by: Borkowski, Casimir, et al.
Published: (1981)

Journal Acquisition by Libraries: Scatter and Cost Effectiveness
by: Robertson, S. E., et al.
Published: (1975)

Allocating the Book Budget: An Economic Model
by: Gold, Steven D.
Published: (1975)

A Cost Analysis and Usage Study of the Reserved Materials Collection of the University of Arizona Main Library.
by: Jensen, Ford
Published: (1971)

Least Cost Decision Rules for the Selection of Library Materials for Compact Storage.
by: Lister, Winston C.
Published: (1967)

Cost Accounting and Analysis for University Libraries.
by: Leimkuhler, Ferdinand F., et al.
Published: (1970)

Cost-Effectiveness Analysis of the Automation of a Circulation System.
by: Mosley, Isobel
Published: (1974)

The Long-Term Effects of Approval Plans
by: Wilden-Hart, Marion
Published: (1970)

The Use of the Journal Access Service and Its Implications for Journal Selection at the Center for Research Libraries.
by: Lewis, David W.
Published: (1983)

Library Cost Models: Owning Versus Borrowing Serial Publications.
by: Williams, Gordon, et al.
Published: (1968)

The Library Space Problem, Future Demand, and Collection Control.
by: Lee, Hur-Li
Published: (1993)

Economics and the University Library
by: Burnett, David
Published: (1970)

A Planning Study for the Conversion of Recorded Books and Magazines from Rigid Discs to Cassettes and Flexible Discs. Final Report.
Published: (1975)

Circulation Dynamics: A Planning Model
by: Rouse, William B.
Published: (1974)

An Economic Criterion for Housing and Disposing of Library Materials, Based on Frequency of Circulation. Research Report RR-79-2.
by: Lawrence, Gary S., et al.
Published: (1979)

An Evaluation of the Utility and Cost of Computerized Library Catalogs. Final Report.
by: Dolby, J.L., et al.
Published: (1968)

Allocating the Book Budget: Equity and Economic Efficiency
by: Kohut, Joseph J., et al.
Published: (1975)

Microform Serials Acquisition: A Suggested Planning Model.
by: Gleaves, Edwin S., et al.
Published: (1982)

Analysis of Interlibrary Loan Records from Demkee Medical Library Wooster Community Hospital, 1987-1992.
by: Kiser, Joyce M.
Published: (1994)

The Sensitivity of Book Storage Strategy Decisions to Alternative Cost Assumptions.
by: Cooper, Michael D.
Published: (1991)

Determination of Pre-Acquisition Predictors of Book Use. Final Report.
by: Weeks, Kenneth
Published: (1973)

Colorado Academic Libraries Book Processing Center. Final Report, Phase I and Phase II (1 February 1967-30 April 1968).
by: Leonard, Lawrence E., et al.
Published: (1968)

Cost Accounting and Analysis for University Libraries
by: Leimkuhler, Ferdinand F., et al.
Published: (1971)

Life Cycle Costs of Library Collections: Creation of Effective Performance and Cost Metrics for Library Resources.
by: Lawrence, Stephen R., et al.
Published: (2001)

A Model Budget Analysis System for Program 05 Libraries.
Published: (1970)

Circulation of Materials from Purdue University Libraries. RDU-75-06.
by: Drake, Miriam A.
Published: (1975)

Newsletters and the Library. Technical Paper Number 6.
by: Chernesky, Lois, et al.
Published: (1974)

Statistical Collection Simplified within the Purdue General Library. Part I.
by: Pinzelik, Barbara P., et al.
Published: (1972)

An Assessment of Jacksonville State University Library's Periodical Subscriptions.
by: Bevis, Mary Daniell
Published: (1988)

Using Article Photocopy Data in Bibliographic Models for Journal Collection Management.
by: Cooper, Michael D., et al.
Published: (1994)

Monitoring and Measuring Document Delivery Service. Papers and Reports, No. 2.
by: Pings, Vern M.
Published: (1969)

MARC Tape as a Selection Tool in the Medical Library
by: Martin, Dohn H.
Published: (1970)

Budgeting for Media Selection and Ordering
by: Moss, Carol E.
Published: (1976)

Library Formula: Report and Recommendations. Report Number 79-1.
by: Fischer, Norman M.
Published: (1978)

Book Availability and the Library User.
by: Buckland, Michael K.
Published: (1975)

Buy or copy? A Library Operations Research Model
by: Pitt, William Bruce, et al.
Published: (1975)

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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