Discusses the need to expand spatial analysis based on Geographic Information Systems (GIS) and display methods to encompass group decision-making processes. Descriptions of enhancements and additions to software that will enable GIS technology to be used by groups are included. Issues highlighted include implementation and design. (54 references)…

Describes a system that was developed in Germany for natural language processing (NLP) to improve free text analysis for information retrieval. Techniques from empirical linguistics are discussed, system architecture is explained, and rules for dealing with conjunctions in dependency analysis for free text processing are proposed. (13 references)…

This article continues the description of DFT (Document, Find, Theseus), an online documentation system that provides computer-managed on-demand printing of software manuals as well as the interactive retrieval of reference passages. Document boundaries in the hypertext database are discussed, search vocabulary complexities are described, and text…

Describes enhancements made to a hypertext information retrieval system at the National Energy Research Supercomputer Center (NERSC) called DFT (Document, Find, and Theseus). The enrichment of DFT's entry vocabulary is described, DFT and other hypertext systems are compared, and problems that occur due to the need for frequent updates are…

Describes an application-specific hypertext system designed to facilitate and capture policy and design discussions. The discussion includes an introduction to the Issue Based Information Systems (IBIS) method; a description of this graphical IBIS (gIBIS) tool; an example of a gIBIS interaction; and thoughts about future research. (13 references)…

Discusses features of online public access catalogs: (1) demonstration of relationships between records; (2) provision of entry vocabularies; (3) arrangement of multiple entries on the screen; (4) provision of access points; (5) display of single records; and (6) division of catalogs into separate files or indexes. User studies and other research…

Describes the development of a computer-supported cooperative problem-solving environment designed to help librarians and remote access users work together in performing an online search. Results of a study of graduate students indicate that groups using the computer demonstrated more effective skills than those performing the same tasks face to…

Reports on a research project that investigated seventh grade science students' cognitive, affective, and physical behaviors as they used the Yahooligans! search engine to find information on a specific search task. Describes measurement techniques that included software, interviews, and questionnaires, and discusses implications for user training…