Study and Development of Mechanized Indexing Procedures That Can Be Applied to the Production of Subject-Enhanced Keyword Indexes. Final Report.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Mischo, William H.
Format:	Recurso educativo Open Access
Language:	en
Published:	1979
Subjects:	Automatic Indexing College Libraries Computer Programs Higher Education Library Catalogs Library Collections Online Systems Permuted Indexes Reference Materials Subject Index Terms
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

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

Computer Produced Media Guides.
by: Jeffcott, Janet B.
Published: (1976)

The Library and Information Science CumIndex.
by: Kilgour, Frederick G.
Published: (1976)

State and Local Document Retrieval. KWOC Solution
by: Schwarz, Philip John
Published: (1972)

Building a Serials Key Word Index
by: Crawford, Walter C.
Published: (1976)

A Subject Retrieval Function for the Online Union Catalog. Technical Report.
by: Mischo, William H.
Published: (1981)

Vocabulary Control in Indexing the Literature of Librarianship and Information Science.
by: Hines, Theodore C.
Published: (1968)

Redundancy and Uniqueness of Subject Access Points in Online Catalogs.
by: Xu, Hong, et al.
Published: (1998)

Microcomputers in Index Language Design and Development.
by: Batty, David
Published: (1984)

Matching MARC to a Picture Collection: Development of a Computer Format for Medical Illustrations.
by: Roberts, Justine
Published: (1983)

Subject Index to Collections in the Microforms Section.
by: Pontius, Jack E., Comp.
Published: (1979)

The Use of Automatic Indexing for Authority Control.
by: Dillon, Martin, et al.
Published: (1981)

Data Conversion and Indexing: How To Get the Most out of Your Machine-Readable Database. DataResearch Automation Guide Series, Number Two.
Published: (1992)

Evaluating the Use of Catholic Subject Headings in an Academic Library: A Case Study.
by: Griffin, Mary Ann
Published: (1988)

Locally Generated Title Derivative Indexing in Academic and Public Libraries: A Survey of Current Practices.
by: Schwarz, Philip J.
Published: (1977)

MEDOC: An Index for the Health Sciences.
by: Peay, Wayne J., et al.
Published: (1985)

Subject Retrieval in the 1980s.
by: Cochrane, Pauline A., et al.
Published: (1981)

Subject Access Project. Third Quarterly Report.
by: Atherton, Pauline
Published: (1977)

A Slide Classification System for the Organization and Automatic Indexing of Interdisciplinary Collections of Slides and Pictures.
by: Simons, Wendell W., et al.
Published: (1970)

The Deaf Collection of the Gallaudet University Library.
by: Harrington, Thomas R.
Published: (1998)

Need More Ready in Your Reference?--KWOC It
by: Tiffany, Constance J., et al.
Published: (1976)

Geological/Geographical Name Subject Access.
by: Binder, Joan E., et al.
Published: (1989)

Indexers' Manual for the Oregon Index.
by: Macnaughtan, Don, Ed., et al.
Published: (1989)

A Hybrid Access Method for Bibliographic Records
by: Bookstein, Abraham
Published: (1974)

A Computer-Produced Serials Book Catalog with Automatically Generated Indexes.
by: Spalding, Helen H.
Published: (1980)

Developing an Information Infrastructure To Support Information Retrieval: Towards a Theory of Clustering Based in Classification.
by: Micco, Mary, et al.
Published: (1994)

Modern Subject Access in the Online Age.
by: Cochrane, Pauline A.
Published: (1984)

Search Trees for Subject Searching in Online Catalogs.
by: Drabenstott, Karen Markey, et al.
Published: (1990)

Books Are for Use. Final Report of the Subject Access Project to the Council on Library Resources.
by: Atherton, Pauline
Published: (1978)

Subject Access in the Online Catalog.
by: Mandel, Carol A.
Published: (1981)

Modern Subject Access in the Online Age.
by: Cochrane, Pauline A.
Published: (1984)

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.
by: Mann, Thomas
Published: (2000)

Grant Project Information via a Shared Data Base
by: Roberts, Justine
Published: (1973)

Subject Index to Databases Available from Computer Search Service.
by: Atkinson, Steven D., Comp., et al.
Published: (1986)

Summary Report of Student Studies of the Subject Headings Used in the University of California, Berkeley Subject Catalog. Final Report.
by: Todd, Judy
Published: (1973)

Subject Enhancement: Report on an Experiment.
by: Knutson, Gunnar
Published: (1991)

To Be "KWIC" or Not To Be "KWIC"
by: Humbert, Karen
Published: (1972)

Inquiry into the Syndetic Structure of the Library of Congress Subject Headings in Anthropology
by: Wepsiec, Jan
Published: (1978)

Picture Indexing for Local History Materials.
by: Gilbert, Karen Diane
Published: (1973)

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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