Distance Education and Virtual Reference: Where Are We Headed?

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Coffman, Steve
Format:	Recurso educativo Open Access
Language:	en
Published:	2001
Subjects:	Computer Software Distance Education Educational Change Electronic Libraries Futures (of Society) Library Expenditures Library Facilities Library Personnel Library Services Online Systems Reference Services World Wide Web
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

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Published: (2000)

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Using World Wide Web Software for Reference and Instruction.
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Value-Added Surrogates for Distributed Content: Establishing a Virtual Control Zone; Lessons Learned: Digitization of Special Collections at the University of Iowa Libraries; Offering High Quality Reference Service on the Web: The Collaborative Digital Reference Service (CDRS).
by: Payette, Sandra, et al.
Published: (2000)

Distance Learning and Distance Libraries: Where Are They Now?
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Published: (2001)

Our Experiment in Online, Real-Time Reference.
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Making Choices in the Virtual World: The New Model at United Technologies Information Network.
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Key Elements in Using Technology for Library Support in Distance Education.
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Published: (1997)

Building to Scale: An Analysis of Web-Based Services in CIC (Big Ten) Libraries.
by: Dewey, Barbara I.
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Building the Virtual Reference Desk in a 24/7 World. OCLC/Library of Congress Symposium at ALA Midwinter 2001 (Washington, DC, January 12, 2001). Tape 1 [and] Tape 2. [Videotapes].
Published: (2001)

Virtual Reference Services: Directions and Agendas.
by: Gray, Suzanne M.
Published: (2000)

Bridging the Gap.
by: Bryant, Eric
Published: (2001)

Virtual Reference Services.
by: Brewer, Sally
Published: (2003)

E-Reference: Incorporating Electronic Publications into Reference.
by: Young, Courtney L., et al.
Published: (1999)

So You Want To Do Virtual Reference?
by: Coffman, Steve
Published: (2001)

Shaping the Electronic Library--The UW-Madison Approach.
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From Sshh to Search Engine: Reference.net on the World Wide Web.
by: Kresh, Diane Nester
Published: (2001)

Vision vs. Reality: Planning for the Implementation of a Web-Based Online Catalog in an Academic Library.
by: Dennis, Nancy K, et al.
Published: (1997)

The Problem Patron and the Academic Library Web Site as Virtual Reference Desk.
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Published: (2002)

The Changing Roles of "Online Coordinators."
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Chat Reference. SPEC Kit.
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The Virtual Reference Librarian's Handbook.
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LivePerson: Keeping Reference Alive and Clicking.
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Virtual Reference Canada (VRC): A Canadian Service in a Multicultural Environment.
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A Study of Web-Based Interactive Reference Services via Academic Library Home Pages.
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Desk to the Desktop--Digital Reference Service Leveraging Educational Assistance in Distance Learning: Implications for Jamaica
by: Nicholas, Pauline
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Statistics & Input-Output Measures for Colorado Public Libraries, 2001.
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Delivering Library Services to Remote Students.
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Libraries Close in on Distance Education.
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The Catalog Takes to the Highway.
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The Growing and Changing Role of Consortia in Providing Direct and Indirect Support for Distance Higher Education.
by: Subramanian, Jane M.
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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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REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
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HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
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REMOTE_PORT	"43481"
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GATEWAY_INTERFACE	"CGI/1.1"
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Registered Handlers

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