An Integrated Non-Mechanized System for Information Bulletins and a Keyword Index

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Whitehall, T.
Format:	Recurso educativo Open Access
Language:	en
Published:	1972
Subjects:	Bulletins Indexes Indexing Libraries Subject Index Terms
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

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PRECIS: Indexing to Revolutionize Subject Access to Information in School Resource Centres
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Kaiser's Systematic Indexing.
by: Rodriguez, Robert D.
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Classification and Information Control; Papers Representing the Work of the Classification Research Group During 1960-1968.
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Indexing an Annotated Bibliography: Step-by-Step Procedure
by: Sanders, Erhard
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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)

Critique and Rejoinder: I. A $1,000 Misunderstanding: UM's Index to Its "Dissertation Abstracts International."
by: Scott, Ralph L.
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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.
Published: (1981)

Subject Heading Revision: A System for Small Libraries.
by: Leibtag, Susan
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A Directory of Special Collections and In-House Indexes in Northern California Libraries.
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Names in Space and Time: The Indexing Vocabulary of the Humanities.
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Newspaper Indexing Handbook for Small Libraries.
by: Smith, Donald R.
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The Use of Automatic Indexing for Authority Control.
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Obtaining Feedback for Indexing from Highlighted Text.
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Vocabulary Control in Indexing the Literature of Librarianship and Information Science.
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Find Your Slides - Fast
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How the Machine May Yet Save LCSH.
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Vertical File Subject Headings KWIK List.
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Critique and Rejoiner: II. A One-Million-Entry "Starting Place" for Finding Dissertations
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List of Australian Subject Headings: Too Little? Too Late?
by: McKinlay, John
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Newspaper Indexing: Using an IBM Mainframe Computer and a Text-Formatting Program.
by: Wall, Celia
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Postcoordinate Retrieval: A Comparison of Two Indexing Languages.
by: Schabas, Ann H.
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The Impact of Term-Indexing Characteristics on a Document Space.
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Year's Work in Subject Analysis: 1981.
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Subject Headings Employed in Research Libraries to Describe Bilingual and Bicultural Materials.
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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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