Library Support for SDI

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Packer, Katherine H.
Format:	Recurso educativo Open Access
Language:	en
Published:	1977
Subjects:	College Libraries Information Dissemination Library Services Surveys Use Studies
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

The National Library's ERIC SDI Service: The First Fifteen Months.
by: Killen, Diana
Published: (1976)

State Digital Library Usability: Contributing Organizational Factors.
by: Xie, Hong, et al.
Published: (2002)

Health Science Libraries Today.
by: Kenney, Brigitte L.
Published: (1967)

Educating the Library User; Proceedings of the Fourth Triennial Meeting of the International Association of Technological University Libraries, Loughborough, April 1-3, 1970.
by: Lincoln, C. M., Ed.
Published: (1970)

The Test of Reference.
by: Childers, Thomas
Published: (1980)

User Analysis of the University of Kentucky Medical Library Health Sciences Information Service.
by: Barcley, Janet A.
Published: (1971)

A Manual SDI System for Academic Libraries
by: Parker, Steve, et al.
Published: (1975)

Selective Dissemination of Microfiche Documents in a University Setting: Phase 1. Final Report. Project CLR-561.
by: Meredith, Joseph C.
Published: (1975)

Late-Study Areas: A Means of Extending Library Hours
by: Beeler, Richard J.
Published: (1974)

Extending the Invitation: Using First Class Mail To Advertise and Encourage the Use of Library Services.
by: Rothlisberg, Allen P.
Published: (1992)

ARL: A Bimonthly Report on Research Library Issues and Actions from ARL, CNI, and SPARC. Number 236
by: Barrett, Jaia, Ed.
Published: (2004)

The Library in the New Polytechnic.
by: Thom, Bill
Published: (1969)

Documents Education Project.
by: Cooper, Lynn, et al.
Published: (1975)

Library Effectiveness Study.
by: Pritchard, Alan, et al.
Published: (1973)

Does the 80/20 Rule Apply to Books?
by: Ettelt, Harold
Published: (1988)

Community Services Study.
by: Sacks, Patricia Ann, et al.
Published: (1972)

Geosciences Library Survey.
by: Drake, Miriam A.
Published: (1975)

Initial Report on a Study to Plan Development and Implementation of a Connecticut Library Research Center.
Published: (1966)

UNM General Library/Technology Application Center Literature Search Service, An Experimental Program, FY 1974. Final Report.
by: Grogan, Nancy M.
Published: (1974)

Selective Dissemination of Information (SDI) in a Technological University Library
by: Tell, Bjorn V.
Published: (1972)

SDI Citation Checking as a Measure of the Performance of Library Document Delivery Systems.
by: Bourne, Charles P., et al.
Published: (1973)

Library Effectiveness 1974.
by: Pritchard, A., et al.
Published: (1974)

Measures of User Evaluation at Two Academic Libraries: Prolegomena.
by: Budd, John, et al.
Published: (1982)

Continuing Education and Extension Audio Visual Library Service: Faculty Survey.
by: Kanun, Clara
Published: (1974)

Indiana State University Undergraduate Students' Channels of Knowledge of and Use of Cunningham Memorial Library's Public Services.
by: Lyle, Jack W.
Published: (1980)

Interlibrary Access: A Two-Year Report of the FAUL Access Committee, 1968-1970.
Published: (1970)

Determining the Effectiveness of the Use Made of the Industrial and Management Engineering Library.
by: Joffe, Ruth
Published: (1971)

Marketing Activities and Usage in Historically Black College and University Libraries 2000-2008
by: Walsh, Janet
Published: (2012)

An Investigation of the Relationship of Faculty Knowledge and Use of Current Reference and Para-Reference Books Especially Pertinent to Their Fields.
by: Strother, Jeanne D.
Published: (1975)

Progress in Documentation; Research in User Behaviour in University Libraries
by: Ford, Geoffrey
Published: (1973)

Purposes and Uses of Residence Hall Libraries.
by: Oltmanns, Gail, et al.
Published: (1985)

SDILINE Evaluation.
by: Blase, Nancy G.
Published: (1975)

An Evaluation of the Closed Reserve at St. Cloud State College: A Follow-up Study.
by: Opgrand, Harold J.
Published: (1961)

San Jose State University Library Services: Results of the Spring 1980 Faculty and Student User Surveys.
by: Whitlatch, JoBell
Published: (1981)

Videotex: A New Tool for Libraries.
by: Hull, Peggy
Published: (1994)

Report Relating to the Preparation of the North American Library Education Directory and Statistics 1971-1973. Final Report.
by: Reed, Sarah R.
Published: (1974)

Optimum Speed of Library Access as Related to Optimum Size of Library Collections. Final Report.
by: Atkinson, Hugh C.
Published: (1970)

The Undergraduate Library's Public Service Record: Reference Services.
by: Wilkinson, Billy R.
Published: (1970)

Library Service to Industry; Series of Four Workshops.
Published: (1969)

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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