Selected Search Subroutines for Searching the ERIC Data Base with the Lockheed Dialog Information Retrieval Service.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Bourne, Charles P., And Others
Format:	Recurso educativo Open Access
Language:	en
Published:	1977
Subjects:	Databases Information Retrieval Information Science Information Seeking Information Storage Librarians Library Science Search Strategies
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Connecting Online Search Strategies and Information Needs: A User-Centered, Focus-Labeling Approach.
by: Kennedy, Lynn, et al.
Published: (1997)

Database Searching for Historical Research.
by: Penrod, Michael Lane
Published: (1994)

A Comparison of Costs of Searching the Machine-Readable Data Bases ERIC and "Psychological Abstracts" in an Annual Subscription Rate System Against Costs Estimated for the Same Searches Done in the Lockheed DIALOG System and the System Development Corporation for ERIC, and the Lockheed DIALOG System and PASAT for "Psychological Abstracts."
by: Palmer, Crescentia
Published: (1976)

10 Tips for Teaching How To Search the Web.
by: Cohen, Laura B.
Published: (2001)

Finding Evidence-Based Practice Information
by: Childs, Gary M.
Published: (2009)

Search Intermediary Elicitations during Mediated Online Searching.
by: Spink, Amanda, et al.
Published: (1995)

Conducting a Web Search.
by: Miller-Whitehead, Marie
Published: (2001)

Complexity of Search Tasks and Children's Information Retrieval.
by: Hirsh, Sandra G.
Published: (1996)

Analysis of ERIC On-Line File Searching Procedures and Guidelines for Searching. Final Report.
by: Bourne, Charles P., et al.
Published: (1974)

Success, a Structured Search Strategy: Rationale, Principles, and Implications.
by: Zins, Chaim
Published: (2000)

OCLC Search Key Usage Patterns in a Large Research Library.
by: Rastogi, Kunj B., et al.
Published: (1981)

Speculations on the Measurement and Use of User Characteristics in Information Retrieval Experimentation.
by: Meadow, Charles T., et al.
Published: (1994)

Concepts in End-User Training: How To Convert End Users into Effective Searchers.
by: Adams, Veronica M., et al.
Published: (1997)

Retrieval Effectiveness of Surname-Title-Word Searches for Known Items by Academic Library Users.
by: Kilgour, Frederick G., et al.
Published: (1999)

The 200 Questions.
by: Newlin, Barbara
Published: (1982)

The Foundations of Access to Knowledge. A Symposium.
by: Montgomery, Edward B., Ed.
Published: (1968)

DIALOG Lab Workbook. Training Exercises for the Lockheed DIALOG Information Retrieval Service.
by: Bourne, Charles P.
Published: (1976)

Is Keyword Searching the Answer?
by: Tillotson, Joy
Published: (1995)

Multitasking Information Seeking and Searching Processes.
by: Spink, Amanda, et al.
Published: (2002)

Corporate Author Entry Records Retrieved by Use of Derived Truncated Search Keys
by: Landgraf, Alan L., et al.
Published: (1973)

Computerizing Internal Information in a Special Library.
by: Gawaldo, Rich, et al.
Published: (1979)

Reference Database Use: A New Application of Online Searching.
by: Durkin, Kay, et al.
Published: (1980)

Experimental Information Officer in the Social Sciences, Report on Work Carried Out in 1969.
Published: (1970)

Written Representation of Topics and the Production of Query Terms
by: Tagliacozzo, Renata, et al.
Published: (1971)

Bibliographic Searching: Main Entry Vs. Title Access, A Comparative Time Study.
by: Ortiz, Richard J., et al.
Published: (1973)

The Role of Mechanized Services in the Provision of Information with Special Reference to the University Environment.
by: Heim, Kathleen M.
Published: (1975)

Double Hashing
by: Bookstein, Abraham
Published: (1972)

Using Quick Search.
by: Maxfield, Sandy, Ed., et al.
Published: (1988)

Keyword Searching and the Internet: Not Just for the Library Anymore.
by: Schrock, Kathleen
Published: (1997)

Information Storage and Retrieval...Reports on Text Analysis, Dynamic Indexing, Feedback Searches, Dictionary Construction and File Organization.
by: Salton, Gerald, et al.
Published: (1972)

Facilitating Chinese Character Entry and Information Retrieval through Regular Expression Searching.
by: Shi, Yunhua, et al.
Published: (1989)

Predicting the Relevance of a Library Catalog Search.
by: Cooper, Michael D., et al.
Published: (2001)

Evaluation of Online Catalogues: Eliciting Information from the User.
by: Hancock-Beaulieu, Micheline, et al.
Published: (1991)

Search Models: Who Does the Looking?
by: Duffield, Judith A.
Published: (1996)

Reference Question Analysis and Search Strategy Development by Man and Machine
by: Jahoda, Gerald
Published: (1974)

Indexing. ERIC Processing Manual, Section VII.
by: Houston, Jim, Ed.
Published: (1992)

Indexing. ERIC Processing Manual, Section VII.
by: Brandhorst, Ted, Ed., et al.
Published: (1980)

Time-Tested ERIC Bibliographic Instruction (BI): Give Them a Pole and Teach Them To Fish (Fiche).
by: Leverence, Mari Ellen
Published: (1994)

An Introduction to Information Retrieval.
Published: (1971)

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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