Building Earth's Largest Library: Driving into the Future.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Coffman, Steve
Format:	Recurso educativo Open Access
Language:	en
Published:	1999
Subjects:	Access to Information Bibliographic Records Bookstores Costs Electronic Libraries Futures (of Society) Interlibrary Loans Library Catalogs Library Circulation Library Collection Development Library Development Library Funding Library Material Selection Library Services Online Systems Search Strategies
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Factors To Be Considered in the Selection and Cataloging of Internet Resources.
by: Weber, Mary Beth
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Online Catalog Failure as Reflected through Interlibrary Loan Error Requests.
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People Come First: User-Centered Academic Library Service. ACRL Publications in Librarianship No. 53.
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Old Solutions in A New Age: Cataloging and the Future of Access to Government Information.
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Variant Edition Cataloging on OCLC: Input or Adapt?
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Out-of-Print Digital Scanning.
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To Make a Long Story Short: Abridged Audio at 10.
by: Annichiarico, Mark
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An Experiment in Outsourcing at the College of Charleston Libraries.
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New Bibliographic Instruction for New Technology: "Library Connections" Seminar at the Rochester Institute of Technology.
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The Impact of Adding Retrospective Conversion Holdings to OCLC on Interlibrary Loan Lending.
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Theoretical Aspects of Centralized Cataloguing and Interlibrary Loans.
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The Librarian and the Library User: What the Future Holds.
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Document Delivery in the Electronic Age: Collecting and Service Implications.
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Depository Library Inspection Packet.
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Making the Transition to the SuperCatalog: ISU's Experience with LUIS II.
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Inter-Indexer Consistency in Bibliographic Record Access Points between OCLC and RLIN.
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Periodicals Collections in College Libraries: Improving Relevancy, Access, Availability.
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Library Services in a Supercomputer Center.
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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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