A Slide Classification System for the Organization and Automatic Indexing of Interdisciplinary Collections of Slides and Pictures.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Simons, Wendell W., Tansey, Luraine C.
Format:	Recurso educativo Open Access
Language:	en
Published:	1970
Subjects:	Automatic Indexing Automation Cataloging Classification Educational Media Indexes Indexing Information Retrieval Library Collections Library Technical Processes Reference Materials Slides
Online Access:	Acceder al recurso
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Expanded Subject Access to Reference Collection Materials.
by: Mischo, William H.
Published: (1979)

Error Detection in Mechanized Classification Systems
by: Hoyle, W. G.
Published: (1976)

Classification of Research Potographs and Slides
by: Tansey, Luraine
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Computer Produced Media Guides.
by: Jeffcott, Janet B.
Published: (1976)

Evaluation of Indexing, 5. Discussion and Summary
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The Use of Automatic Indexing for Authority Control.
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Cataloguing and Indexing Activities
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Kaiser's Systematic Indexing.
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Published: (1984)

A Computerized Architecture Slide Classification for a Small University Collection.
by: Powell, Richard K.
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Culture Keepers: Cataloging the Afrocentric Way.
by: Bethel, Kathleen E.
Published: (1994)

Experimentation With Computer-Assisted Indexing: American Documentation, Volume 20
by: Hines, Theodore C., et al.
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Slide Library of the History of Art Department, Cornell University: Classification and Retrieval System.
by: Nemethy, Judith
Published: (1981)

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.
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Find Your Slides - Fast
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Automatic Classification: Directions of Recent Research
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Classification System for a Multi-Concept Slide Collection.
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Determining Geographical Subject Headings for Local History Collections.
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The Year's Work in Cataloging--1969
by: Pautzsch, Richard O.
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Uniform Titles: Their Use in Descriptive Cataloging.
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Automatic Classification of Book Material Represented by Back-of-the-Book Index.
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A Manual on the Construction of an Indexing Language Using Educational Technology as an Example.
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Subject Retrieval in the 1980s.
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The Subject Approach: Recent Developments in Indexing
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Cataloguing, Classification and Processing. A Simplified Guide for School Libraries.
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Indexing an Annotated Bibliography: Step-by-Step Procedure
by: Sanders, Erhard
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A Comparison of Panizzi's 91 Rules and the AACR of 1967.
by: Lehnus, Donald J.
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Present and Impending Developments Based on Actions by LC. Subgroup 1; Interim Report. Appendix 1.
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The Levels of Access: Subject Approaches to Fiction.
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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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Dewey Decimal Classification for U. S. Conn: An Advantage?
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The Development of Classification at the Library of Congress. Occasional Papers, Number 164.
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Cataloging Screenplays
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The World Bank Photo Library. A Report on Classification, Indexing, and Retrieval of Slide Collection; Organization and Circulation of Visual Materials and Matters Relating to Photo Library Administration.
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Matching MARC to a Picture Collection: Development of a Computer Format for Medical Illustrations.
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Cataloging Books Step by Step. CSLA Guide No. 5.
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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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