Describes an information retrieval system in which advanced natural language processing is used to enhance the effectiveness of term-based document retrieval by preprocessing the documents; discovering interterm dependencies and build a conceptual hierarchy specific to database domain; and processing the user's natural language requests into…

The Latent Semantic Indexing and MatchPlus systems examine similar contexts in which words appear and create representational models that capture the similarity of meaning of terms and then use the representation for retrieval. Text Retrieval Conference experiments using these systems demonstrate the computational feasibility of using…

Reports on two studies in the second Text Retrieval Conference (TREC-2) program that investigated the effect on retrieval performance of combination of multiple representations of TREC topics. Six methods of query combinations and the combination of the same queries on different databases are examined. Results show that combining evidence from…

Discusses methodological issues arising from the evaluation of the impact of IT-assisted information systems on information-seeking and research in academia. Learning and use of information technology by academics was observed over time by using diaries, interviews, discussion, and observation. Results indicate that academic research is a complex…

Describes and evaluates a system that selects key information from an event database by reasoning about event frequencies, frequencies of relations between events, and domain-specific importance measures. The system aggregates similar information and plans a summary tailored to a stereotypical user. (AEF)

Discusses developments in computer applications in guidance and counseling, specifically the information systems and career planning emphasis systems available to counselors and their use with clients in individual or group career counseling and education. (LKS)

Analyzes the effects of information systems and telecommunications on worker productivity. Discovered difficulty in measuring benefits, but determined that long term productivity benefits include higher efficiency and reduced costs. Describes three stages of technologically induced change. Tables show benefits and applications of…

A decision support system integrates individuals' intellectual resources with computer capabilities to improve decision-making quality. This paper presents the theoretical aspects of decision making and decision support and shows how the theories can be applied in developing an operational management decision-making support system for room booking…

Outlines principles underlying the theory of polyrepresentation as it applies to user cognitive space and information space of information retrieval (IR) systems. A discussion and diagram illustrate the interactive communication that takes place between users and IR systems in order to complete work tasks such as retrieving full text information.…

Discusses use of a mail survey to study the extent to which the hospitality industry employs various information technologies, including computer-mediated communication systems. Finds that hotel/motel size and chain affiliation are related to information system complexity, and that chain-affiliated hotels provide less computer and…

Analyzes student dissertations at the School of Information Studies for Africa (SISA) at Addis Ababa University (Ethiopia) in order to present an overview of the library and information systems and services available in seven eastern and southern African countries: Ethiopia, Kenya, Malawi, Sudan, Tanzania, Uganda, and Zambia. (Author/LRW)

Proposes a unifying framework based on speech act theory, which reconciliates the representation and communication roles of information systems. Focuses on how communication can be modeled by means of discourses, which are viewed as sequences of events; discusses implications for future research. (Author/AEF)

Pennsylvania State University's award-winning electronic approval system allows administrative documents to be electronically generated, approved, and updated in the university's central database. Campus business can thus be conducted faster, less expensively, more accurately, and with greater security than with traditional paper approval…

Reports on a pilot study in which a proposed design model was developed to characterize intergroup communication among designers, developers, and users. Design roles, themes, and networks based on two histories of design situations are described for several design phases; and future work is suggested. (24 references) (LRW)

Proposes a personal information management technology called Memex-TV that might develop from advances in entertainment technology. Topics addressed include capabilities of the new system, system design, the scenario for development of Memex-TV as an entertainment technology spin-off, current entertainment technology trends, a typical evening with…