A Study of Data Elements for the COM Catalog.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Chwe, Steven Seokho
Format:	Recurso educativo Open Access
Language:	en
Published:	1979
Subjects:	Cataloging Computer Output Microfilm Data Analysis Data Collection Library Automation Library Catalogs Library Research Surveys Tables (Data) User Satisfaction (Information)
Online Access:	Acceder al recurso
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Student Success in Using Microfiche to Find Periodicals.
by: Adalian, Paul T., Jr., et al.
Published: (1985)

Competition and Change: The 1983 Automated Library System Marketplace.
by: Matthews, Joseph R.
Published: (1984)

Growth and Consolidation: The 1985 Automated Library System Marketplace.
by: Matthews, Joseph R.
Published: (1986)

Computer Output Microform Library Catalog: A Survey.
by: Zink, Steven D.
Published: (1977)

Public Online Catalogs and Research Libraries. Final Report.
by: Ferguson, Douglas, et al.
Published: (1982)

Public Response to an Academic Library Microcatalog.
by: Dwyer, James R.
Published: (1979)

"Sometimes Dirty Things Are Seen on the Screen": A Mini-Evaluation of the COM Microcatalogue at the University of Toronto Library
by: deBruin, Valentina
Published: (1977)

Card Catalog to COM
by: North, John
Published: (1977)

Unrelenting Change: The 1984 Automated Library System Marketplace.
by: Matthews, Joseph R.
Published: (1985)

User Survey: The British Columbia Union Catalogue.
by: Gibb, Betty
Published: (1982)

On My Mind...Reactions to a COM Catalog
by: Altman, Ellen
Published: (1977)

A Queueing Study of Public Catalog Use.
by: Sage, Charles, et al.
Published: (1981)

Cooperative Catalog Conversion Study. Final Report.
Published: (1981)

The Rudolph Machine.
by: Wellisch, Hans H.
Published: (1981)

IOLS Software for Special Libraries: An Overview of Today's Best Options.
by: Cibbarelli, Pamela
Published: (1996)

Experiments with Full and Short Entry Catalogues: A Study of Library Needs.
by: Seal, Alan
Published: (1983)

Detailed Data Analysis of the CLR Online Catalog Project. A Final Report.
by: Lawrence, Gary S., et al.
Published: (1984)

Bibliographic Access to Full Descriptive Cataloging with COM
by: Wassom, Earl E., et al.
Published: (1978)

Microform Catalogs: A Viable Alternative for Texas Libraries.
by: Cox, Carolyn, M., et al.
Published: (1977)

Is the Card Catalogue's Unquestioned Sway in North America Ending?
by: Elrod, J. McRee
Published: (1976)

Library Data Processing Feasibility Report.
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Published: (1971)

A Study of User Success with an Online Catalog. Final Report.
by: Kranich, Nancy C., et al.
Published: (1984)

Patterns of Use in an Online Catalog and a Card Catalog.
by: Pease, Sue, et al.
Published: (1982)

U.C.L.A. Working Group on Public Catalogs. Appendix II. Subgroup II; Interim Report: Long Term Goals, Alternatives.
Published: (1975)

New Hampshire Automation Task Force. Final Report.
Published: (1982)

Online Access: User Reaction.
by: Pawley, Carolyn
Published: (1982)

The Searching Behavior of Remote Users: A Study of One Online Public Access Catalog (OPAC).
by: Kalin, Sally W.
Published: (1991)

An Evaluation of CATALIST, 2nd Edition.
by: Robertson, Cameron D.
Published: (1982)

Progress in Documentation: The Catalogue.
by: Bryant, Philip
Published: (1980)

A Study of an Online Catalog from a Public Services Perspective. Final Report.
by: Kranich, Nancy C., et al.
Published: (1984)

Bibliographic Access to Microform Collections.
by: Niles, Ann
Published: (1981)

Characteristics of Online Public Catalogs.
by: Salmon, Stephen R.
Published: (1983)

Administrative and Bibliographic Uses of COM (Computer Output Microfilm) in an Academic Library.
by: Gillham, Virginia, et al.
Published: (1976)

Computers and Early Books. Report of the LOC Project Investigating Means of Compiling a Machine-Readable Union Catalogue of Pre-1801 Books in Oxford, Cambridge and the British Museum.
Published: (1974)

COM Catalog Based on OCLC Records
by: Meyer, Richard W., et al.
Published: (1975)

Automated Acquisition, Cataloging, and Circulation in a Large Research Library.
by: Boylan, Merle N., et al.
Published: (1968)

Opening a Library Catalog.
by: Freedman, Maurice J.
Published: (1979)

LNR: Numerical Register of Books in Louisiana Libraries; Basic Documents, I.
by: McGrath, William E., et al.
Published: (1972)

Descriptive Cataloging in 1980.
by: Rinehart, Constance
Published: (1981)

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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