Organized from the viewpoint of information retrieval theory, this review addresses issues of chemical information representation, comparison and matching, and retrieval strategies. Additional topics include similarity and clustering, visualization, and molecular diversity. Trends in research and application are identified, and gaps in the…

Describes a study of college freshmen that investigated the effects of navigation maps and learner cognitive styles on performance in searches for information, on cognitive map development, and on attitudes, within a hypertext learning system. Results indicate map type has significant effects on students' search steps, efficiency, and development…

This study of 18 novice Internet users employed a structured self-report method to investigate affective and cognitive operations in the following phases of World Wide Web searching: presearch formulation, search statement formulation, search strategy, and evaluation of results. Users also rated their self-confidence as searchers and satisfaction…

Explores ways for librarians to improve search strategies in a globally networked computing environment. Discusses browsing versus more structured search strategies; thinking processes and information-seeking processes; supplementing the traditional reference interview with computer-based reference assistants; models for automating the reference…

Offers suggestions on how to add the power of a free online translator, links, and multicultural search engines to a teacher's classroom home page. Describes the Alta Vista Babelfish online translation service that can be used to translate Web pages on a variety of topics written in German, Spanish, Italian, French, or Portuguese. (SLD)

Presents a user-centered investigation of interactive query expansion within the context of a relevance feedback system. Data were collected from 25 searches using the INSPEC database. Results discuss issues relating to query expansion, retrieval effectiveness, correspondence of the online-to-offline relevance judgments, and selection of terms for…

Focuses on stage three of the Big6 process for teaching information problem solving--location and access. This stage has two components: locate sources and find information within sources. Highlights include the concept of index, keyword search strategy, and Boolean searching. (AEF)

Reports results from a study exploring the information retrieval (IR) and types of interactive feedback during mediated IR. Five types of interactive feedback were identified, extending the interactive IR model to include relevance, magnitude, and strategy interactive feedback. Implications for further research investigating the nature and models…

Explores the use of metaphors as problem-solving mechanisms by novice searchers of bibliographic databases. Subjects were 28 undergraduate students at the University of Technology, Sydney, Australia, who "talked through" a search on a bibliographic retrieval system. A range of metaphors was apparent from the language used by students.…

Describes a study conducted at Illinois State University that compared the results achieved by library users searching the ERIC database on CD-ROM with the results achieved by individual and teamed skilled intermediaries. Evaluation of library services is discussed, patron search strategies are examined, and strategies for improving patron…

Discusses the need for digital librarians who will manage and organize digital libraries. Topics include digital information systems; the information superhighway; navigation, browsing, and filtering; multimedia searching and indexing; data mining; information access and retrieval; competencies and skills for a digital librarian; and professional…

Reports on findings from a survey exploring the information literacy of physical science graduate students. Describes the students' perceptions of the physical and psychological components that enhance or detract from their ability to find, appraise, and use information and how they feel during the various stages of an information search.…

Examines users' cognitive, affective, and physical behaviors during user-Web interaction to understand better the nature of information retrieval on the Web, the needs of Web users, and the problem-solving strategies Web users employ. Describes and interprets searching behavior and problem-solving patterns within the relevant situational context…

Reports results of a survey of information needs and information seeking behavior of a national sample of the United Kingdom population. Fourteen tables show results, including: demographic details of respondents; past and future information needs; preferred sources of information; preferred methods of obtaining information; and perceived…

A survey of 786 students and faculty found 78.6% used the World Wide Web on a daily or weekly basis and provided information about user demographics, frequency of use and satisfaction, search results and problems, university library home-page use, search strategies, and search training. Discusses challenges and opportunities for librarians…