Government Documents Reference Aid: An Expert System Development Project.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Harley, Bruce L., Knobloch, Patricia J.
Format:	Recurso educativo Open Access
Language:	en
Published:	1991
Subjects:	Access to Information Appropriate Technology College Libraries Comparative Analysis Computer System Design Evaluation Criteria Evaluation Methods Expert Systems Federal Government Government Publications Higher Education Library Automation Library Collections Questionnaires Reference Services Use Studies User Needs (Information)
Online Access:	Acceder al recurso
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Evaluation of CD-ROM Use in a Government Research Library.
by: Welsh, John J.
Published: (1989)

Five PC-based Expert Systems for Business Reference: An Evaluation.
by: Vedder, Richard G., et al.
Published: (1989)

More than a Library for Congress: Making LC the Nation's Library.
by: Mason, Marilyn Gell
Published: (1993)

Maintaining Quality of Library Web Sites Using Cluster and Path Analysis.
by: Matylonek, John
Published: (2002)

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

The Role of the Directorate of Studies in the Legislative Work of the Hellenic Parliament.
by: Vassilouni, Stavroula
Published: (2001)

Effective and Responsive Needs Assessment.
by: Gardner, Bob, et al.
Published: (2002)

Crucial Critics for the Information Age.
by: Ray, Ron
Published: (1993)

Information Access through Electronic Databases for Rural Public Libraries.
by: Canepi, Kitti
Published: (1997)

Use of Government Publications in an Academic Setting.
by: Reeling, Patricia, et al.
Published: (1991)

South Carolina State Library State Government Information Needs Survey.
Published: (1994)

Measuring the Quality of Library Service: A Handbook.
by: Beeler, M. G. Fancher, et al.
Published: (1974)

Networked Electronic Information Systems at the University of Houston Libraries: The IRIS Project and Beyond.
by: Gunning, Kathleen, et al.
Published: (1993)

Evaluation of Online Searches.
by: Blood, Richard W.
Published: (1983)

U.S. Government Electronic Information Service Guidelines.
by: Kessler, Ridley R., Jr., et al.
Published: (1997)

Renewing the ARL Agenda. Proceedings of the Annual Meeting of the Association of Research Libraries (125th, Washington, DC, October 19-21, 1994).
by: Page, Jennifer, Ed., et al.
Published: (1996)

A Comparative Evaluation of the Technical Performance and User Acceptance of Two Prototype Online Catalog Systems.
by: Siegel, Elliot R., et al.
Published: (1984)

Side by Side: What a Comparative Usability Study Told Us about a Web Site Redesign
by: Dougan, Kirstin, et al.
Published: (2009)

Expert Systems: Power to the Experts.
by: Carrington, Bessie M.
Published: (1990)

National Repository Planning.
by: Line, Maurice B.
Published: (1988)

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

Buying Online Library Systems Revisited: Who and What to Ask. A Generic Guide.
by: Genaway, David C.
Published: (1989)

User Satisfaction at the Columbus College of Art & Design: A Measure of Library Effectiveness.
by: Strautz, Elizabeth
Published: (1992)

E-Democracy and E-Government: How Will These Affect Libraries?
by: Pare, Richard
Published: (2002)

Symposium on Presidential Libraries.
by: Relyea, Harold C., et al.
Published: (1994)

User Satisfaction with Library Service--A Measure of Public Library Performance?
by: D'Elia, George, et al.
Published: (1983)

Report on the Assessment of Electronic Government Information Products.
Published: (1999)

User Awareness and Accessibility of Rhode Island State Depository Publications: A Case Study.
by: Mongeau, Deborah
Published: (1990)

Symposium on Presidential Libraries and Materials.
by: Thompson, Brian Chandler, et al.
Published: (1995)

Evaluation of Six News Aggregator Databases: A Comparison for Researchers and Librarians
by: Stacy Gilbert, et al.
Published: (2024)

Expert Systems Technology and Its Implication for Archives. National Archives Technical Information Paper No. 9.
by: Michelson, Avra
Published: (1991)

Measurement and Evaluation of U.S. Federal Depository Collections.
by: Seavey, Charles A.
Published: (1991)

International Inventory of Software Packages in the Information Field.
by: Keren, Carl, Ed., et al.
Published: (1983)

Evaluation of Leadership in Ontario Public Libraries.
by: Osborne, Reed
Published: (1996)

Evaluation of Online Searches.
by: Blood, Richard W.
Published: (1981)

Political, Technological, and Institutional Barriers to U.S. Government Information.
by: Wilkinson, Patrick J.
Published: (1987)

Expert System Shells: What to Look For.
by: Quinn, Kenneth
Published: (1990)

Integrated Bibliographic Information System: Integrating Resources by Integrating Information Technologies.
by: Cotter, Gladys A., et al.
Published: (1985)

A Research Design for a Comprehensive Study of the Use, Bibliographic Control, and Distribution of Government Publications. Final Report.
by: Fry, Bernard M., 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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