Telecommunication Technologies for Libraries: A Basic Guide.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Matthews, Joseph R., Williams, Joan Frye
Format:	Recurso educativo Open Access
Language:	en
Published:	1983
Subjects:	Diagrams Information Networks Information Services Input Output Devices Library Automation Tables (Data) Technological Advancement Telecommunications
Online Access:	Acceder al recurso
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Applications of Database Machines in Library Systems.
by: Salmon, Stephen R.
Published: (1984)

'POLIS' in Parliament: Computer-Based Information Retrieval in the House of Commons Library.
by: Menhennet, David, et al.
Published: (1982)

New Information Technologies--New Opportunities. Papers Presented at the Clinic on Library Applications of Data Processing (18th, Urbana-Champaign, Illinois, April 26-29, 1981).
by: Smith, Linda C., Ed.
Published: (1982)

That Bibliographic Highway in the Sky.
by: Glazer, Frederic J.
Published: (1985)

Telidon Graphics and Library Applications.
by: Tenne-Sens, Andrej
Published: (1982)

The Potential of New Technology in Information Environments.
by: Raitt, David
Published: (1989)

Libraries Can Learn from Banks.
by: Lawrence, Gail H.
Published: (1983)

You're in the Chips; or The Computer: What It Is and What It Can Do.
by: Matthews, Joseph R.
Published: (1981)

Electronic Mail Systems: Communication Networks for Libraries.
by: Trudell, Libby
Published: (1983)

Telecommunication Considerations in an Automated Library Network: An Introduction.
by: Buck, Dayna E., et al.
Published: (1987)

Libraries and the Communication Process. Proceedings of the Annual Meeting of IATUL (9th, Lausanne, Switzerland, April 12-16, 1981).
by: Fjallbrant, Nancy, Ed.
Published: (1981)

Use of Multiple Parallel Interface Strategies To Create a Seamless Accessible Interface for Next-Generation Information Systems.
by: Vanderheiden, Gregg C.
Published: (1994)

Look--No Paper! The Library of Tomorrow.
by: Raitt, D. I.
Published: (1985)

The Microcomputer in the Library: I. Introduction.
by: Leggate, Peter, et al.
Published: (1985)

The CJK Terminal: RLG and Transtech's Achievement.
by: Fischer, Russell G.
Published: (1984)

Application of Minicomputers and Microcomputers to Information Handling.
by: Griffiths, Jose-Marie
Published: (1981)

About Maggie's Place.
by: Emmens, Carol E.
Published: (1982)

Microcomputers and Automation in the School Library Media Center.
by: Thomason, Nevada
Published: (1982)

Information Technology and the Library.
by: Raitt, D.
Published: (1983)

New Information Technologies: Some Observations on What Is in Store for Libraries.
by: Black, John B.
Published: (1980)

Using Cable Television for Library Data Transmission.
by: Whitaker, Douglas A.
Published: (1985)

LIBRARY INFORMATION PROCESSING USING AN ON-LINE, REAL-TIME COMPUTER SYSTEM.
by: HOLZBAUR, FREDERICK W., et al.
Published: (1966)

High Tech and Library Access for People with Disabilities.
by: Roatch, Mary A.
Published: (1992)

Experience with a Slave Terminal System (SOCRATE) in Online Services.
by: Baiget, Tomas
Published: (1983)

Characteristics of Online Public Catalogs.
by: Salmon, Stephen R.
Published: (1983)

Reference beyond (and without) the Reference Desk.
by: Ford, Barbara J.
Published: (1986)

BIBCON--A General Purpose Software System for MARC-Based Book Catalog Production
by: Gibson, Liz
Published: (1973)

A Guide to BALLOTS Network Services.
Published: (1976)

Enlarging Micros: The Mainframe Connection.
by: Melin, Nancy
Published: (1985)

Automated Text Editing: The State of the Art and Its Implications for Libraries
by: Saffady, William
Published: (1976)

The Computer Revolution Comes to East Asian Collections.
by: Fischer, Russell
Published: (1984)

Information Revolution: Proceedings of the ASIS Annual Meeting. (38th, Boston, Massachusetts, October 26-30, 1975). Volume 12.
by: Husbands, Charles W., Ed., et al.
Published: (1975)

The RECON Pilot Project: A Progress Report, November 1969-April 1970
by: Avram, Henriette D., et al.
Published: (1970)

Information Technology and Disabilities, 1995.
by: McNulty, Tom, Ed.
Published: (1995)

Circulation Control Systems as Online Catalogs.
by: Malinconico, S. Michael
Published: (1983)

Technology and the Online Catalog.
by: Graham, Peter S.
Published: (1983)

Implementation: Preparing the Site.
by: Epstein, Susan Baerg
Published: (1983)

Automated Network Catalog Products and Services
by: Freedman, Maurice J.
Published: (1976)

Survey of Data Collection Systems for Computer-Based Library Circulation Processes
by: Foil, Patti Sue, et al.
Published: (1976)

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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