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Bibliographic Details
Main Author:	Mosley, Isobel
Format:	Recurso educativo Open Access
Language:	en
Published:	1974
Subjects:	College Libraries Cost Effectiveness Data Collection Librarians Library Automation Library Circulation Library Expenditures Library Research Library Science Library Services Library Technical Processes Models Program Effectiveness Use Studies
Online Access:	https://eric.ed.gov/?id=ED097009
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Determining a Cost Effective Sampling Technique Which Will Provide Estimates of the Number of Patrons Utilizing the Purdue General Library During the Fall Semester of 1973.
by: Tolliver, Don L., et al.
Published: (1973)

Library Automation: Guidelines to Costing.
by: Ford, Geoffrey
Published: (1973)

Research Libraries and Technology. A Report to the Sloan Foundation.
by: Fussler, Herman H.
Published: (1974)

An Approach to the Measurement of Use and Cost of a Large Academic Research Library System: A Report of a Study Done at Columbia University Libraries
by: Mount, Ellis, et al.
Published: (1972)

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

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

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.
Published: (1975)

A Cost Analysis and Utilization Study of the Stanford University Library System, Prepared for Stanford University, Stanford, California. Memorandum Report.
by: Densmore, Glen, et al.
Published: (1965)

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

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

Library Labor Cost Accounting System.
by: Du Bois, Dan
Published: (1972)

A Cost Effectiveness Model for Comparing Various Circulation Systems
by: Burgess, Thomas K.
Published: (1973)

The Cost Effectiveness of Field Pick Up of Long Overdue Items at the Glendale Public Library.
by: Applegate, H. C.
Published: (1974)

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

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

An Approach to Performance Budgeting at the Florida Atlantic University Library
by: Axford, H. William
Published: (1971)

A Longitudinal Study of the Costs and Benefits of Selected Library Services: Initial Exploration and Framework. Working Discussion Document No. 74/6-1.
by: Wills, Gordon, et al.
Published: (1974)

The Cost of Cataloguing: Three Systems Compared.
by: Woods, R. G.
Published: (1972)

Libraries: Leviathanic Vagrants on a "Titanic" Trip
by: Vagianos, Louis
Published: (1973)

Pittsburgh University Studies of Collection Usage: A Symposium.
by: Schad, Jasper G., et al.
Published: (1979)

Public Library Automation Network: A Cost/Benefit Analysis of the PLAN Project.
by: Shoemaker, Thomas P.
Published: (1977)

Incremental Costs of Library Service Policies for Online Catalog Access.
by: Taylor, Raymond G., Jr.
Published: (1987)

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)

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

Technical Services Costs in ARL Libraries. Kit 89.
by: Graham, Peter S.
Published: (1982)

Cost of Electronic Reference Resources and LCM: The Library Costing Model.
by: Hayes, Robert M.
Published: (1996)

Proposed Weekly Punched Card Transaction System.
Published: (1974)

Evaluation of a Computer-Based Cataloging Support System for Use by the Cornell University Libraries.
by: Koehler, David W., et al.
Published: (1973)

An Analysis of Book Storage and Transportation Requirements of the Five Associated University Libraries.
by: Dinka, Tesfaye, et al.
Published: (1970)

SCOPE in Cataloguing.
by: Tom, Ellen, et al.
Published: (1970)

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

IUC/OCLC Network Evaluation. Final Report.
Published: (1975)

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 Closed Reserve at St. Cloud State College: A Follow-up Study.
by: Schulzetenberg, Anthony C.
Published: (1968)

Cost Analysis of an Automated and Manual Cataloging and Book Processing System.
by: Druschel, Joselyn
Published: (1981)

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

A Cost Model for Retrospective Conversion Alternatives.
by: Peters, Stephen H., et al.
Published: (1984)

Implementation of the Ohio College Library Center's Proposed Serials Control Subsystem at the University of South Florida Library: Some Preliminary Considerations.
by: Twitchell, Anne, et al.
Published: (1976)

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

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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