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Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	McElfresh, Melvin P.
Format:	Recurso educativo Open Access
Language:	en
Published:	1972
Subjects:	Clearinghouses Information Retrieval Information Science Information Sources Library Collections Library Research Library Science
Online Access:	Acceder al recurso
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A Comparative Analysis of ERIC and LISA with an Emphasis on Database Composition and Authority Control as They Relate to Retrieval.
by: Wells, Amy Tracy
Published: (1993)

A PILOT PROJECT TO DEVELOP REQUIREMENTS FOR ESTABLISHING AN INFORMATION SYSTEM FOR RESEARCH ACTIVITIES IN THE FIELD OF LIBRARIANSHIP AND INFORMATION SCIENCE. FINAL REPORT.
by: KRUG, JUDITH FINGERET
Published: (1967)

The National Rural Information Clearinghouse of the National Rural Center. [Interim Report], March 1976 through November 1977. Final Report, December 1977 through September 1978.
by: Vinson, Elizabeth A., et al.
Published: (1978)

Special Library Resources in Canada
by: Anderson, Beryl L.
Published: (1970)

Survey of Specialized Technical Information Centers. Final Report.
Published: (1968)

Accessing the ERIC Resource Collection. A Parent's Guide. Revised Edition.
by: Kupper, Lisa, Ed.
Published: (1995)

Summary of Activities Reports Of The ERIC Clearinghouse On Library And Information Sciences, 1970, 1971-72, 1972-73.
Published: (1974)

List of Library Instruction Clearinghouses, Directories and Newsletters and Results of the Clearinghouse Questionnaires.
by: Prince, William, Comp., et al.
Published: (1978)

NTIS as a Social Science Resource.
by: Smith, Ruth S.
Published: (1983)

ERIC, DATA ON THE DISADVANTAGED.
by: CALKINS, PATRICIA, et al.
Published: (1967)

IRCD, ITS SPECIALTY IS ANSWERS.
by: EGERTON, JOHN
Published: (1967)

A Clearing House for Library Literature--Past Experience and Future Possibilities.
by: Bowden, Russel
Published: (1979)

Commercial Clearinghouse for the Business Community; A Suggestion
by: Allen, John C.
Published: (1971)

ERIC Calendar of Education-Related Conferences, 1991.
by: Taheri, Belinda, Ed., et al.
Published: (1990)

Millennium Project Research Agenda: Collection Development.
by: Richardson, John V., Jr., et al.
Published: (2000)

Distance Education Clearinghouse Web Site.
by: Adams, Kate, et al.
Published: (1996)

Selection and Presentation of Commercially Available Electronic Resources: Issues and Practices.
by: Jewell, Timothy D.
Published: (2001)

New Directions in Library and Information Science Education. Final Report. Volume 2.7: Information Center/Clearinghouse Professional Competencies.
by: Griffiths, Jose-Marie, et al.
Published: (1984)

Reference Work--Background and Implications.
Published: (1971)

THE DETERMINATION OF LEGAL FACTS AND ECONOMIC GUIDEPOSTS WITH RESPECT TO THE DISSEMINATION OF SCIENTIFIC AND EDUCATIONAL INFORMATION AS IT IS AFFECTED BY COPYRIGHT--A STATUS REPORT. FINAL REPORT.
by: HEILPRIN, LAURENCE B., et al.
Published: (1967)

ERIC Indexing Handbook (Clearinghouse Indexing Practices). ERIC Processing Manual, Appendix C.
by: Barnett, Lynn, Ed., et al.
Published: (1992)

The Human Relations Area Files: Two Perspectives.
by: Clarke, Jack A., et al.
Published: (1984)

Information Needs and Bibliographic Problems of the Anthropology Departments at U. N. C. and Duke University.
by: Spurling, Norman Kent
Published: (1973)

Glossary of Library and Information Science Terms.
by: Khader, Majed J.
Published: (1995)

Conducting a Literature Review: Tips and Suggestions.
Published: (1992)

Professional Competencies among Librarians and Information Professionals in the Knowledge Era.
by: Gulati, Anjali, et al.
Published: (2000)

Landmarks of Science: Microforms Cataloging Project, September 1981-December 1983.
by: Van Orden, Richard
Published: (1983)

ERIC Clearinghouse Scope of Interest Guide. ERIC Processing Manual, Appendix A.
by: Brandhorst, Ted, Ed., et al.
Published: (1992)

Automating Technical Processes and Reference Services Using SPIRES.
by: Buckley, Joseph James
Published: (1983)

Information Needs of Anthropologists.
by: Hartmann, Jonathan
Published: (1995)

Geographic Information Systems and the New York State Library: Mapping New Pathways for Library Service.
by: Strasser, Theresa C.
Published: (1998)

Now That We've Found the "Hidden Web," What Can We Do with It?
by: Cole, Timothy W., et al.
Published: (2002)

Managing the Information Resource: The Changing Role of Librarians.
by: Diebold, John
Published: (1983)

Cooperation, Convertibility, and Compatibility Among Information Systems: A Literature Review.
by: Henderson, Madeline M., et al.
Published: (1966)

New Knowledge Management Systems: The Implications for Data Discovery, Collection Development, and the Changing Role of the Librarian.
by: Stern, David
Published: (2003)

Advances in Library and Information Science in Finland.
Published: (1972)

Federal Library Research Collections
by: Benton, Mildred, et al.
Published: (1970)

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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ui	"standard"
language	"en"

Session

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SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1782}

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VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
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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"
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SERVER_NAME	"info.umar.mx"
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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	"12522"
REDIRECT_URL	"/Record/eric_ED066202/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED066202/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789079149.7431
REQUEST_TIME	1789079149

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Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

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Key	Value
VUFIND_SESSION	"beeb0d0057e04c263cae3e2dbb8b1f5b"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1789079149.7481 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "beeb0d0057e04c263cae3e2dbb8b1f5b" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1782}

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Key	Value
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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=beeb0d0057e04c263cae3e2dbb8b1f5b; 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	"216.73.216.170"
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	"12522"
REDIRECT_URL	"/Record/eric_ED066202/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_ED066202/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789079149.7431
REQUEST_TIME	1789079149

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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