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Bibliographic Details
Main Authors:	Cochrane, Pauline A., And Others
Format:	Recurso educativo Open Access
Language:	en
Published:	1984
Subjects:	Indexing Information Retrieval Information Storage Library Automation Library Catalogs Man Machine Systems Online Systems Search Strategies Subject Index Terms Technological Advancement
Online Access:	https://eric.ed.gov/?id=EJ305652
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Modern Subject Access in the Online Age.
by: Cochrane, Pauline A.
Published: (1984)

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

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

Online Subject Access--Enhancing the Library Catalog.
by: Mandel, Carol A., et al.
Published: (1983)

Augmenting Subject Descriptions for Books in Online Catalogs.
by: Settel, Barbara, et al.
Published: (1982)

Subject Access in the Online Catalog.
by: Cochrane, Pauline A.
Published: (1982)

Beyond Boolean: Designing the Next Generation of Online Catalogs.
by: Hildreth, Charles R.
Published: (1987)

Database Limitations and Online Catalogs.
by: Simonds, Michael J.
Published: (1984)

The Reliability Factor in Subject Access.
by: McCarthy, Constance
Published: (1986)

Enriching the Library Catalog Record for Subject Access.
by: Mandel, Carol A.
Published: (1985)

To Boolean or Not To Boolean.
by: Hildreth, Charles R.
Published: (1983)

Visualizing Subject Access for 21st Century Information Resources. Papers Presented at the Clinic on Library Applications of Data Processing (34th, Urbana, Illinois, March 2-4, 1997).
by: Cochrane, Pauline Atherton, Ed., et al.
Published: (1998)

System Features for Subject Access in the Online Catalog.
by: Lawrence, Gary S.
Published: (1985)

The Catalog as Access Mechanism: Background and Concepts.
by: Wilson, Patrick
Published: (1983)

Cheshire II: Design and Evaluation of a Next-Generation Online Catalog System.
by: Larson, Ray R., et al.
Published: (1995)

Subject-Searching Experiences and Needs of Online Catalog Users: Implications for Library Classification.
by: Markey, Karen
Published: (1985)

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

Multiple Thesauri in Online Library Bibliographic Systems.
by: Mandel, Carol A.
Published: (1987)

Microcomputers and Online Catalogs.
by: Gorman, Michael
Published: (1984)

Online Catalogue Research in Europe.
by: Jones, Richard M.
Published: (1989)

Classification Schedules as Subject Enhancement in Online Catalogs. A Review of a Conference Sponsored by Forest Press, the OCLC Online Computer Library Center, and the Council on Library Resources.
by: Mandel, Carol A.
Published: (1986)

Data Dictionaries, Authority Control, and Online Catalogs: A New Perspective.
by: McDonald, David R.
Published: (1985)

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

Subject Access in the Small Library.
by: Turock, Betty J., et al.
Published: (1984)

Dewey Decimal Classification Online Project: Evaluation of a Library Schedule and Index Integrated into the Subject Searching Capabilities of an Online Catalog. Final Report.
by: Markey, Karen, et al.
Published: (1986)

Practical Considerations of the Current Capabilities of Subject Access in Online Public Catalogs.
by: Lipow, Anne Grodzins
Published: (1983)

Enhancing a New Design for Subject Access to Online Catalogs.
by: Drabenstott, Karen M.
Published: (1996)

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

Evaluating the Impact of an Online Library Catalogue on Subject Searching Behaviour at the Catalogue and at the Shelves.
by: Hancock-Beaulieu, Micheline
Published: (1990)

Use of Classification in Online Retrieval.
by: Svenonius, Elaine
Published: (1983)

Public Service and the Disappearing Card Catalog
by: Kohl, David F.
Published: (1978)

Must We Limit the Catalog?
by: Freedman, Maurice J.
Published: (1984)

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

In-Depth: University of California MELVYL.
by: Salmon, Stephen R., et al.
Published: (1982)

Enhancing Subject Access in Online Systems: The Year's Work in Subject Analysis, 1991.
by: Taylor, Arlene G.
Published: (1992)

Newspapers and Electronic Databases: Present Technology.
by: Newcombe, Barbara, et al.
Published: (1984)

Preparing for the Use of Classification in Online Cataloging Systems and in Online Catalogs.
by: Cochrane, Pauline A., et al.
Published: (1985)

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

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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