Dynamic Information and Library Processing.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Salton, Gerard
Format:	Recurso educativo Open Access
Language:	en
Published:	1975
Subjects:	Abstracting Cataloging Cost Effectiveness Indexing Information Processing Information Retrieval Information Science Information Services Information Systems Libraries Library Acquisition Library Automation Library Science Library Services Library Technical Processes Systems Analysis
Online Access:	Acceder al recurso
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Information Roundup: A Continuing Education Session on Microforms and Data Processing in the Library and Information Center: Costs/Benefits/History/Trends. Proceedings of the ASIS Mid-Year Meeting (4th, Portland, Oregon, May 15-17, 1975).
by: Spigai, Frances G., Ed., et al.
Published: (1975)

A Survey of Automated Activities in the Libraries of the U.S. and Canada. 2nd Edition.
by: Patrinostro, Frank S., et al.
Published: (1971)

A Bibliography of Literature on Planned or Implemented Automated Library Projects, Part I; Volume 9, World Survey Series.
by: Patrinostro, Frank S., Comp., et al.
Published: (1973)

The Role of the Network in Automated Acquisitions.
by: Madden, Mary A.
Published: (1980)

Mechanisation and Automation of Information Library Procedures in the USSR.
by: Batenko, A. I.
Published: (1970)

Annual Report July 1973 to June 1974. Institute of Library Research, University of California - Berkeley.
by: Bourne, Charles P.
Published: (1974)

BALLOTS: Stanford University's Library Automation and Information Program, Status Report.
Published: (1978)

Demonstration of Multilibrary Services through BALLOTS Network: Final Report of the BALLOTS Center to the California State Library on Contract Activities from October 1, 1974 to June 30, 1978.
Published: (1978)

Current and Retrospective Sources of Machine Readable Monograph Cataloging Records; A Study of Their Potential Cost and Utility in Automated System Development at the University of Minnesota.
by: Grosch, Audrey N.
Published: (1975)

The Practice of Charging Users for Information Services: A State of the Art Report
by: Penner, Rudolf J.
Published: (1970)

A Position Statement on the SATCOM Report Prepared by the Federation Member Services.
Published: (1970)

Institute of Library Research, University of California; Annual Report, July 1971 to June 1972.
by: Riveros, Pepi, Ed.
Published: (1972)

Institute of Library Research, University of California, Annual Report, July 1972 to June 1973.
by: Thelin, John, Ed., et al.
Published: (1973)

Introduction. ERIC Processing Manual, Section I.
by: Brandhorst, Ted, Ed.
Published: (1992)

ERIC Processing Manual. Rules and Guidelines for the Acquisition, Selection, and Technical Processing of Documents and Journal Articles by the Various Components of the ERIC Network.
by: Brandhorst, Ted, Ed., et al.
Published: (1980)

Libraries and Computing Centers: Issues of Mutual Concern.
by: Dougherty, Richard M., et al.
Published: (1987)

Automation in Libraries; Papers Presented at the C.A.C.U.L. Workshop on Library Automation (University of British Columbia, Vancouver, April 10-12, 1967).
Published: (1967)

Manual of Documentation Practices Applicable to Defence-Aerospace Scientific and Technical Information. Volume I: Sections 1--Acquisition and Sources; 2--Descriptive Cataloguing; 3--Abstracting and Subject Analysis.
by: Schuler, S. C., Ed.
Published: (1978)

Project BALLOTS: Bibliographic Automation of Large Library Operations Using a Time-Sharing System. Progress Report (3/27/69 - 6/26/69).
by: Veaner, Allen B.
Published: (1969)

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

Nature of Typical Data Bases. Final Report on Mechanized Information Services in the University Library, Phase I - Planning. Part 5.
by: Reilly, Kevin D.
Published: (1967)

Suddenly Last Decade! Automation Arrives.
by: Epstein, Susan Baerg
Published: (1983)

An Integrated Information System for the National Library of Canada. A Summary of the Systems Development Project.
Published: (1970)

The MARC Pilot Project. Final Report.
by: Avram, Henriette D.
Published: (1968)

Contributed Papers, 1967.
Published: (1967)

Communications.
by: Lukac, Jenco, et al.
Published: (1981)

A Technique for the Acquisition, Storage, and Retrieval of System Safety Information - With Attached Bibliography.
by: Mumma, George B., et al.
Published: (1970)

Documentation of the United Nations and Other Intergovernmental Organizations: Information and Functional Purposes, Processing and Utilization. A Bibliography.
by: Dimitrov, Theodore D.
Published: (1972)

The ERIC Data Base and the Literature of Library and Information Science
by: Knapp, Sara, D., et al.
Published: (1977)

A Comparison of Costs of Searching the Machine-Readable Data Bases ERIC and "Psychological Abstracts" in an Annual Subscription Rate System Against Costs Estimated for the Same Searches Done in the Lockheed DIALOG System and the System Development Corporation for ERIC, and the Lockheed DIALOG System and PASAT for "Psychological Abstracts."
by: Palmer, Crescentia
Published: (1976)

Annual Report, July 1974 to June 1975, Institute of Library Research, University of California, Berkeley.
by: Bourne, Charles P.
Published: (1975)

A Plan for a Library Processing Center for the State University of New York.
Published: (1967)

A Selective Bibliography on Measurement in Library and Information Services.
by: Reynolds, Rose, Comp.
Published: (1970)

Myths of Library Automation.
by: Hegarty, Kevin
Published: (1985)

Information Retrieval (SPIRES) and Library Automation (BALLOTS) at Stanford University.
by: Ferguson, Douglas, Ed.
Published: (1970)

Integration of New Technology in Army Libraries. Final Report.
by: Reid, Janine, et al.
Published: (1982)

Computerized Acquisitions Systems at the Arkansas State University Library.
by: Taylor, Gerry M., Ed.
Published: (1974)

Retrospective Conversion: Pipedream or Practicality?
by: Awcock, Frances
Published: (1985)

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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