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Interfaces and Tools for the Library of Congress National Digital Library Program.
Peer reviewed Peer reviewed
Marchionini, Gary; Plaisant, Catherine; Komlodi, Anita – Information Processing & Management, 1998
Describes a collaborative effort to explore user needs in a digital library, develop interface prototypes for a digital library, and suggest and prototype tools for digital librarians and users at the Library of Congress. The design process and results are described and suggestions for future work are offered. (Author/LRW)
Descriptors: Computer Interfaces, Electronic Libraries, Futures (of Society), Research Needs
Extending Retrieval Strategies to Networked Environments: Old Ways, New Ways, and a Critical Look at WAIS.
Peer reviewed Peer reviewed
Marchionini, Gary; And Others – Journal of the American Society for Information Science, 1994
Reports on a comparative investigation of WAIS, a networking and finding aid used on the Internet, and a Boolean-based retrieval system. The terms and limitations of the study are described, and the comparative recall and precision rates are given. The problems and potential of WAIS and other highly interactive search systems are presented.…
Descriptors: Comparative Analysis, Computer Networks, Information Networks, Information Retrieval
Interfaces for End-User Information Seeking.
Peer reviewed Peer reviewed
Marchionini, Gary – Journal of the American Society for Information Science, 1992
Discusses essential features of interfaces to support end-user information seeking. Highlights include cognitive engineering; task models and task analysis; the problem-solving nature of information seeking; examples of systems for end-users, including online public access catalogs (OPACs), hypertext, and help systems; and suggested research…
Descriptors: Hypermedia, Information Needs, Information Seeking, Library Catalogs
Information-Seeking Strategies of Novices Using a Full-Text Electronic Encyclopedia.
Peer reviewed Peer reviewed
Marchionini, Gary – Journal of the American Society for Information Science, 1989
Describes a study that used a mental models perspective to examine the search behaviors of gifted elementary school children searching a full text electronic encyclopedia. The discussion covers analyses of search patterns used, differences between younger and older searchers, suggestions for systems design, and needed further research. (39…
Descriptors: Cognitive Style, Elementary Education, Elementary School Students, Encyclopedias
Elementary Students' Use of Electronic Information Services: An Exploratory Study.
Peer reviewed Peer reviewed
Marchionini, Gary; Teague, Jerry – Journal of Research on Computing in Education, 1987
Describes study that was designed to explore whether elementary students of different ages could effectively use selected electronic information services. The performances of students in grades two-three and grades four-six in using an online encyclopedia are compared, examples of searches are presented, and suggestions for further research are…
Descriptors: Academically Gifted, Age Differences, Comparative Analysis, Computer Assisted Instruction
Performance in Electronic Encyclopedias: Implications for Adaptive Systems.
Marchionini, Gary; Liebscher, Peter – Proceedings of the ASIS Annual Meeting, 1991
Describes a study that examined the information-seeking behavior of undergraduate students searching print and electronic encyclopedias to determine how mental models are adapted for different types of media. Cognitive load is discussed; print and electronic systems are compared; differences among three electronic encyclopedias are described; and…
Descriptors: Analysis of Variance, Cognitive Processes, Comparative Analysis, Electronic Publishing