The Web for Documents Librarians.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Breeze, Jerry, Cramer, Jane, Hellman, David
Format:	Recurso educativo Open Access
Language:	en
Published:	1997
Subjects:	Academic Libraries Computer Mediated Communication Computer Networks Depository Libraries Government Publications Higher Education Information Dissemination Internet Library Collections Library Services Online Searching User Needs (Information) World Wide Web
Online Access:	Acceder al recurso
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author	Breeze, Jerry Cramer, Jane Hellman, David
author_facet	Breeze, Jerry Cramer, Jane Hellman, David Breeze, Jerry Cramer, Jane Hellman, David
collection	Education Resources Information Center
contents	The Web for Documents Librarians. Breeze, Jerry Cramer, Jane Hellman, David Academic Libraries Computer Mediated Communication Computer Networks Depository Libraries Government Publications Higher Education Information Dissemination Internet Library Collections Library Services Online Searching User Needs (Information) World Wide Web The World Wide Web is a powerful and versatile resource for documents librarians. It can serve as a source of information for patrons looking for government information, as a means of publicizing and distributing local information and services beyond the walls of the depository library, as a tool for more effective administration of a documents collection, and as a resource for building and maintaining a presence on the Web itself. This paper describes three librarians' different approaches and uses of the Web in their depository libraries at Columbia University, Brooklyn College, and New York University. The paper discusses useful tools and publications, about both Web development and government documents. Three basic principles for the ongoing care required for these documents web sites are: (1) simplicity; (2) borrow non-copyrighted source code and graphics from others; and (3) evolve--reassess the site's arrangement and verify links. (SWC)
format	Recurso educativo Open Access
id	eric_ED412902
institution	ERIC Institute of Education Sciences
language	en
publishDate	1997
record_format	eric
spellingShingle	The Web for Documents Librarians. Breeze, Jerry Cramer, Jane Hellman, David Academic Libraries Computer Mediated Communication Computer Networks Depository Libraries Government Publications Higher Education Information Dissemination Internet Library Collections Library Services Online Searching User Needs (Information) World Wide Web The Web for Documents Librarians. Breeze, Jerry Cramer, Jane Hellman, David Academic Libraries Computer Mediated Communication Computer Networks Depository Libraries Government Publications Higher Education Information Dissemination Internet Library Collections Library Services Online Searching User Needs (Information) World Wide Web The World Wide Web is a powerful and versatile resource for documents librarians. It can serve as a source of information for patrons looking for government information, as a means of publicizing and distributing local information and services beyond the walls of the depository library, as a tool for more effective administration of a documents collection, and as a resource for building and maintaining a presence on the Web itself. This paper describes three librarians' different approaches and uses of the Web in their depository libraries at Columbia University, Brooklyn College, and New York University. The paper discusses useful tools and publications, about both Web development and government documents. Three basic principles for the ongoing care required for these documents web sites are: (1) simplicity; (2) borrow non-copyrighted source code and graphics from others; and (3) evolve--reassess the site's arrangement and verify links. (SWC)
title	The Web for Documents Librarians.
topic	Academic Libraries Computer Mediated Communication Computer Networks Depository Libraries Government Publications Higher Education Information Dissemination Internet Library Collections Library Services Online Searching User Needs (Information) World Wide Web
url	https://eric.ed.gov/?id=ED412902

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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