Demonstrates a means for estimating the number of retrieved items using well-established selective dissemination of information (SDI) profiles in the SCI, INSPEC, ISMEC, CAS, and PASCAL databases. A correlation between individual database size and number of retrieved documents in technical fields is also examined. (17 references) (LAE)

Discusses subject searching problems in online library catalogs; explains advanced information retrieval (IR) techniques; and describes experiments conducted on a test collection database, CHESHIRE (California Hybrid Extended SMART for Hypertext and Information Retrieval Experimentation), which was created to evaluate IR techniques in online…

Describes analyses of 3 searches conducted in an academic library by 11 novice users of full-text databases. The study examined affective search behavior, search strategies, and searcher assessments of retrieved material. Results of interviews, transaction log analysis, and audiotape recordings of search sessions are discussed, and further…

Discussion of computer networking and information retrieval technology focuses on the usefulness of accessing remote library catalogs. Experiences with the University of California MELVYL online catalog and Internet are described, problems of remote access for the user are considered, and future possibilities are suggested. (nine references) (LRW)

Examines an online searching instructional program for high school seniors from the perspective of several cognitive learning theories and proposes a synthesized approach to applying learning theory to bibliographic instruction. Topics discussed include concept-based teaching; novice versus expert search methods; mental models; cognitive…

This study tested two Web personal spiders (i.e., agents that take users' requests and perform real-time customized searches) based on best first-search and genetic-algorithm techniques. Both results were comparable and complementary, although the genetic algorithm obtained higher recall value. The Java-based interface was found to be necessary…

An introductory graduate course on Internet use in education included the semester-long development of an electronic journal of student-discovered Internet resources for education, and posting the results to a dedicated listserv. Over 200 Internet sites were contributed. The study profiled how educators in an academic course found resources they…

Describes the modeling of effective teaching and learning strategies (choosing a topic, finding and using information, timelines, journals, interventions, questions for peer editing, and conferencing questions) during an inquiry-based, student-centered "I-Search" unit taught by a high school library media specialist and an English teacher.…

Discusses library instruction in the use of CD-ROMs and describes results of a survey of CD-ROM users at C.W. Post College (NY), including characteristics of CD-ROM users, evaluating searches, advanced search techniques, learning and using the system, and changes in CD-ROM users from 1992 to 1996. (LRW)

Describes Web-based reference products that are available to K-12 media specialists through the Gale Group. Highlights include the Student Resource Center (SRC), a collection of databases; searching in the SRC; the Junior Reference Collection; separate databases; and American Journey Online, containing primary sources related to American history.…

Examines the use of Robot Exclusion Protocol (REP) to restrict the access of search engine robots to 10 major United States university Web sites. An analysis of Web site searching and interviews with Web server administrators shows that the decision to use this procedure is largely technical and is typically made by the Web server administrator.…

Offers suggestions to librarians on how to teach Internet use and Web searching to beginners. Highlights include active learning, including small group assignments; Web addresses; Web site authority, currency, accuracy, commercialism, and scope; critical thinking skills; the training environment; student exercises; and educational resources for…

Explores the information needs, information-seeking behaviors, and work group communication patterns of 27 scientists, engineers, and managers in an industrial R&D (research and development) setting. Highlights include identifying appropriate information resources, including the World Wide Web; performing searches and retrieving relevant…

Describes a study in which online behavior of high school and undergraduate students using GALILEO (Georgia Library Learning Online), a virtual library, were observed. Topics include cognitive demands; technology literacy; domain knowledge; search strategies; relevance; evaluation of information; information literacy standards; and suggestions to…

Investigates the success and information-seeking behavior of seventh-grade children and graduate students in using the Yahooligans! Web search engine/directory to find the correct answer for a fact-based search task. Analyzes and compares the overall patterns of children's and graduate students' Web traversal behaviors, including searching,…