Introducing MRDFs (Machine-Readable-Data Files).

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Brown, M. Suzanne
Format:	Recurso educativo Open Access
Language:	en
Published:	1990
Subjects:	Academic Libraries Access to Information Data Processing Evaluation Criteria Higher Education Library Collection Development Library Material Selection Nonprint Media Reference Materials
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Collection Development Policy: Academic Library, St. Mary's University. Revised.
by: Sylvia, Margaret
Published: (1992)

Measures for Electronic Resources (E-Metrics). Complete Set.
Published: (2002)

Collection Development Policy.
by: Buchanan, William, et al.
Published: (1987)

Collecting Full-Text CD-ROMs in Literature: Theory, Format, and Selection.
by: Astroff, Roberta
Published: (2000)

Libraries and Computing Centers: Issues of Mutual Concern.
by: Dougherty, Richard M., et al.
Published: (1987)

Development and Use of a Genre Statement for Electronic Journals in the Sciences.
by: Weintraub, Jennifer
Published: (1998)

Collection Development Statement for the Reference Collection of the Ethel K. Smith Library, Wingate University.
by: Wetherbee, James M.
Published: (1995)

Collection Development Policy. Revised.
by: Sawin, Philip, Jr., Ed.
Published: (1984)

Collection Development and Nonprint Materials in Academic Libraries.
by: Whichard, Mitchell
Published: (1985)

Library Standards and Guidelines for Institutions Affiliated with or Offering Extension Programs of Andrews University.
by: Brenneise, Harvey, Ed., et al.
Published: (1992)

Houston Cole Library Collection Management and Development Policy.
by: Henderson, William Abbot, Ed., et al.
Published: (1991)

Including Web Sites in the Online Catalog: Implications for Cataloging, Collection Development, and Access.
by: Porter, G. Margaret, et al.
Published: (1999)

Selecting Electronic Publications: The Development of a Genre Statement.
by: Faulkner, Lila A., et al.
Published: (2001)

Law Library Evaluation Standards: How Will We Evaluate the Virtual Library?
by: Daly, Gail M.
Published: (1995)

Digitizing Historical Pictorial Collections for the Internet.
by: Ostrow, Stephen E.
Published: (1998)

University Library Needs More Scrutiny in Accreditation.
by: McBride, Donald L.
Published: (1986)

Selection Advisor: An Expert System for Collection Development.
by: Johnston, Mark, et al.
Published: (1990)

Electronic Resources and Academic Libraries, 1980-2000: A Historical Perspective.
by: Miller, Ruth H.
Published: (2000)

Nonprint Media Selection Guidelines.
by: Caywood, Carolyn
Published: (1988)

A Web-Based Electronic Book (e-book) Library: The netLibrary Model.
by: Connaway, Lynn Silipigni
Published: (2001)

Using OCLC to Create a Core List of Educational Titles.
by: D'Amicantonio, John, et al.
Published: (1993)

Audiovisual Policies in ARL Libraries. SPEC Kit 162.
by: Brancolini, Kristine
Published: (1990)

Collection Development Policy.
by: Dole, Wanda V., et al.
Published: (1996)

Competencies and Performance Indicators for a Course Entitled, Selection and Collection Development.
by: McWeeney, Mark G.
Published: (1987)

Collection Development Policy. Media Retrieval Services--Pierce Library. Learning Resources. 1981 Rev.
by: Sawin, Philip, Jr., Ed.
Published: (1981)

Beyond the Book: Collection Development and the Special Collections Librarian.
by: Lagana, Gretchen
Published: (1986)

Use of Media in Library Use Instruction.
by: Hardesty, Larry
Published: (1984)

Bringing Federal Documents to the Forefront for Library Users: Selective Cataloging Using an OPAC.
by: Oliva, Victor T.
Published: (2000)

ARBA Guide to Biographical Resources 1986-1997.
by: Wick, Robert L., Ed., et al.
Published: (1998)

Collection Development Policy.
by: Casserly, Mary
Published: (1982)

Acquiring and Managing Electronic Journals. ERIC Digest.
by: Curtis, Donnelyn, et al.
Published: (2002)

Introduction to Library Research.
by: White-Carter, Anita, Comp.
Published: (1986)

Canon Formation, Library Collections, and the Dilemma of Collection Development.
by: Cyzyk, Mark
Published: (1993)

On Reviewing Microforms: An Informal Primer.
by: Yerburgh, Mark R.
Published: (1989)

Electronic Databases: Will Old Collection Development Policies Still Work?
by: LaGuardia, Cheryl, et al.
Published: (1992)

Selecting, Evaluating and Creating Policies for Computer-Based Resources in the Behavioral Sciences and Education.
by: Richardson, Linda B., Comp., et al.
Published: (1989)

Nailing Jell-O to the Wall? Collection Management in the Electronic Era.
by: Galbreath, Robert
Published: (1997)

On-site and Off-site Collections: Costs and Challenges.
by: Scully, Paul
Published: (1999)

An Assessment of Jacksonville State University Library's Periodical Subscriptions.
by: Bevis, Mary Daniell
Published: (1988)

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
VUFIND_SESSION	"00a85b6753e2afecdb268abca3c13de3"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789219674.8981 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "00a85b6753e2afecdb268abca3c13de3" ]`]
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	"VUFIND_SESSION=00a85b6753e2afecdb268abca3c13de3; ui=standard; language=en"
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	"216.73.216.61"
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	"42259"
REDIRECT_URL	"/Record/eric_EJ410573/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_EJ410573/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789219674.8936
REQUEST_TIME	1789219674

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"00a85b6753e2afecdb268abca3c13de3"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789219674.8981 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "00a85b6753e2afecdb268abca3c13de3" ]`]
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	"VUFIND_SESSION=00a85b6753e2afecdb268abca3c13de3; ui=standard; language=en"
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	"216.73.216.61"
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	"42259"
REDIRECT_URL	"/Record/eric_EJ410573/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_EJ410573/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789219674.8936
REQUEST_TIME	1789219674

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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