The Production of Printed Subject Indexes by Microcomputer.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Guy, R. F., Cairnes, T. P.
Format:	Recurso educativo Open Access
Language:	en
Published:	1985
Subjects:	Automatic Indexing Computer Software Field Tests Indexes Merchandise Information Microcomputers Program Descriptions Subject Index Terms
Online Access:	Acceder al recurso
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To Index or Not To Index.
by: Veenema, Fred
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WANTED: Fully Automated Indexing.
by: Purcell, Royal
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How the Machine May Yet Save LCSH.
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Year's Work in Subject Analysis: 1981.
by: Younger, Jennifer A.
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Classification and Subject Cataloguing Section. Bibliographic Control Division. Papers.
Published: (1983)

PRECIS: The Preserved Context Index System
by: Austin, Derek, et al.
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Year's Work in Subject Analysis: 1980.
by: Wellisch, Hans H.
Published: (1981)

Expanded Subject Access to Reference Collection Materials.
by: Mischo, William H.
Published: (1979)

Study and Development of Mechanized Indexing Procedures That Can Be Applied to the Production of Subject-Enhanced Keyword Indexes. Final Report.
by: Mischo, William H.
Published: (1979)

Subject Access to Microcomputer Software.
by: Mitchell, Joan S.
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The Use of Automatic Indexing for Authority Control.
by: Dillon, Martin, et al.
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Microcomputers in Educational Settings: A Categorization of ERIC ED Documents through December 1982.
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Subject Retrieval in the Seventies; New Directions. Proceedings of an International Symposium Held at the Center of Adult Education, University of Maryland, College Park, May 14 to 15, 1971.
by: Wellisch, Hans, Ed., et al.
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Intermediate Lexicon for Information Science. A Feasibility Study. Final Report.
by: Horsnell, Verina
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by: Schuegraf, Ernst J., et al.
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MEDOC: An Index for the Health Sciences.
by: Peay, Wayne J., et al.
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by: Harris, Margaret P.
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Microcomputers for Information Storage and Retrieval.
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Subject Retrieval in the 1980s.
by: Cochrane, Pauline A., et al.
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Personal File Management for the Health Sciences.
by: Apostle, Lynne
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Microcomputer Software for Indexing.
by: Hodgson, Elizabeth
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Critical Views of LCSH--the Library of Congress Subject Headings; A Bibliographic and Bibliometric Essay and An Analysis of Vocabulary Control in the Library of Congress List of Subject Headings (LCSH).
by: Cochrane, Pauline A., et al.
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Citation Indexing History and Applications
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In the School Library: Finding Information Made Easier
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by: Shubert, Steven Blake
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Subject Classification.
by: Thompson, Gayle, et al.
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How to Find Information on Educational and Psychological Tests at the Library of Congress.
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List of Australian Subject Headings: Too Little? Too Late?
by: McKinlay, John
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Making Better KWOC Indexes Even Better.
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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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