A Gray Code Based Ordering for Documents on Shelves: Classification for Browsing and Retrieval.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Losee, Robert M., Jr.
Format:	Recurso educativo Open Access
Language:	en
Published:	1992
Subjects:	Automatic Indexing Cataloging Classification Comparative Analysis Evaluation Criteria Information Retrieval Library of Congress Classification Models
Online Access:	Acceder al recurso
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The Longer the Number, the Smaller the Spine.
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Determining Geographical Subject Headings for Local History Collections.
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Use of Alternative Class Numbers for Bibliography in the Library of Congress Classification System.
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Three Classification Schemes for Use in a Judaeo-Christian Theological Library: A Comparative Study.
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Selective Subject Guide to the UNF Library Reference Collection.
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Identical in Appearance But Not in Actuality: Headings Shared by a Subject-Access and a Form/Genre Access Authority List.
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Is Precoordination Unnecessary in LCSH? Are Web Sites More Important To Catalog Than Books? A Reference Librarian's Thoughts on the Future of Bibliographic Control.
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Microcomputer Database Management Systems for Bibliographic Data.
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Using Automated Classification for Summarizing and Selecting Heterogeneous Information Sources.
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// 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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