Harvesting for Disseminating: Open Archives and the Role of Academic Libraries

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Pelizzari, Eugenio
Format:	Recurso educativo Open Access
Language:	en
Published:	2005
Subjects:	Academic Libraries Archives Electronic Libraries Electronic Publishing Library Automation Library Development Metadata Barriers Access to Information Information Storage Information Management Library Role
Online Access:	Acceder al recurso
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author	Pelizzari, Eugenio
author_facet	Pelizzari, Eugenio Pelizzari, Eugenio
collection	Education Resources Information Center
contents	Harvesting for Disseminating: Open Archives and the Role of Academic Libraries Pelizzari, Eugenio Academic Libraries Archives Electronic Libraries Electronic Publishing Library Automation Library Development Metadata Barriers Access to Information Information Storage Information Management Library Role The scholarly communication system is in a critical stage, due to a number of factors. The Open Access movement is perhaps the most interesting response that the scientific community has tried to give to this problem. The paper examines strengths and weaknesses of the Open Access strategy in general and, more specifically, of the Open Archives Initiative (OAI), discussing experiences, criticisms and barriers. All authors that have faced the problems of implementing an OAI compliant e-print server agree that technical and practical problems are not the most difficult to overcome and that the real problem is the change in cultural attitude required. In this scenario, the university library is possibly the standard bearer for the advent and implementation of e-prints archives and Open Archives services. To ensure the successful implementation of this service the Library has a number of distinct roles to play.
format	Recurso educativo Open Access
id	eric_EJ873082
institution	ERIC Institute of Education Sciences
language	en
publishDate	2005
record_format	eric
spellingShingle	Harvesting for Disseminating: Open Archives and the Role of Academic Libraries Pelizzari, Eugenio Academic Libraries Archives Electronic Libraries Electronic Publishing Library Automation Library Development Metadata Barriers Access to Information Information Storage Information Management Library Role Harvesting for Disseminating: Open Archives and the Role of Academic Libraries Pelizzari, Eugenio Academic Libraries Archives Electronic Libraries Electronic Publishing Library Automation Library Development Metadata Barriers Access to Information Information Storage Information Management Library Role The scholarly communication system is in a critical stage, due to a number of factors. The Open Access movement is perhaps the most interesting response that the scientific community has tried to give to this problem. The paper examines strengths and weaknesses of the Open Access strategy in general and, more specifically, of the Open Archives Initiative (OAI), discussing experiences, criticisms and barriers. All authors that have faced the problems of implementing an OAI compliant e-print server agree that technical and practical problems are not the most difficult to overcome and that the real problem is the change in cultural attitude required. In this scenario, the university library is possibly the standard bearer for the advent and implementation of e-prints archives and Open Archives services. To ensure the successful implementation of this service the Library has a number of distinct roles to play.
title	Harvesting for Disseminating: Open Archives and the Role of Academic Libraries
topic	Academic Libraries Archives Electronic Libraries Electronic Publishing Library Automation Library Development Metadata Barriers Access to Information Information Storage Information Management Library Role
url	https://eric.ed.gov/?id=EJ873082

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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