Computer Output Microfilm and Library Catalogs.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Meyer, Richard W.
Format:	Recurso educativo Open Access
Language:	en
Published:	1978
Subjects:	Book Catalogs Computer Output Microfilm Computers Diagrams History Interprofessional Relationship Printing Standards Subject Index Terms Technology Union Catalogs
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

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

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

A New Catalog: Some Ideas on Its Purpose, Form, Cost, and Planning for It.
by: Kaske, Neal K.
Published: (1979)

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

Analysis of the 1977 University of California Union List of Serials.
by: Radke, Barbara, et al.
Published: (1978)

Specifications for a COM Catalog Designed for Government Documents.
by: Copeland, Nora S., et al.
Published: (1981)

Catalog on Microfiche at the Eastman Kodak Libraries
by: Freund, Clare E.
Published: (1977)

Regional Numerical Union Catalog on Computer Output Microfiche
by: McGrath, William E., et al.
Published: (1972)

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

Conversion to Automated Cataloging at the Map Division, NYPL
by: Hudson, Alice C.
Published: (1976)

"Where's the Catalog?" An Introduction.
by: Rockman, Ilene F.
Published: (1979)

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

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

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

Card Catalogs: Alternative Futures. A Selected Bibliography on Closing Card Catalogs and Alternative Catalog Formats with Separate Sections on AACR 2 and PRECIS.
by: Abbott, George L., Comp.
Published: (1979)

Subject Headings for a Local Catalog
by: Rydings, H. Anthony
Published: (1975)

Microfilm and the Library: A Retrospective
by: Veaner, Allen B.
Published: (1975)

Computer Output Microfilm (COM): An Alternative to Card Catalogs for SOLINET Members.
by: Cravey, Randall, et al.
Published: (1977)

In Theory There Is No Solution: The Impediments to a Subject Cataloging Code.
by: Reynolds, Sally Jo
Published: (1989)

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

Cataloging Practices in India: Efforts for Standardization.
by: Tikku, Upinder Kumar
Published: (1984)

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

Library Automation--Computer Produced Book Catalog.
Published: (1969)

The Impact of COM Statewide Union Catalogs on Resource Sharing.
by: Breedlove, Elizabeth Ann
Published: (1981)

The King Research Project: Design for a Library Catalog Cost Model.
by: Mullikin, Angela G.
Published: (1981)

Toward a Computer-Generated Subject Validation File: Feasibility and Usefulness.
by: Chan, Lois Mai, et al.
Published: (1998)

Computer Output Microform (COM) Catalog Requirements for the Virginia Commonwealth University Libraries.
by: White, Robert L.
Published: (1979)

600 Users Meet the COM Catalog.
by: Aveney, Brian, et al.
Published: (1979)

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

A New Approach to Teaching Classification and Subject Cataloging
by: Foskett, A. C.
Published: (1970)

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

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

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

The Future of Card Catalogs. Minutes of the Semi-Annual Meeting of the Association of Research Libraries (85th, Chicago, Illinois, January 18, 1975).
Published: (1975)

The Eppelsheimer Subject Catalog
by: Stevenson, Gordon
Published: (1971)

Collaboration in the Creation of National Bibliographic Resources.
by: Cabral, Maria Luisa
Published: (1992)

Descriptive Cataloging in a New Light; Polemical Chapters for Librarians.
by: Hoffman, Herbert H.
Published: (1976)

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

The Cataloger's Right Arm: The Library of Congress
by: Tate, Elizabeth L.
Published: (1975)

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'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"en"
VUFIND_SESSION	"6824754798526d314d196db56488fa52"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789092736.4955 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "6824754798526d314d196db56488fa52" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1782}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=en; VUFIND_SESSION=6824754798526d314d196db56488fa52; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.170"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"1968"
REDIRECT_URL	"/Record/eric_ED156143/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED156143/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789092736.4911
REQUEST_TIME	1789092736

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"en"
VUFIND_SESSION	"6824754798526d314d196db56488fa52"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789092736.4955 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "6824754798526d314d196db56488fa52" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1782}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=en; VUFIND_SESSION=6824754798526d314d196db56488fa52; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.170"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"1968"
REDIRECT_URL	"/Record/eric_ED156143/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED156143/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789092736.4911
REQUEST_TIME	1789092736

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: