Online learning has attracted a large number of participants and is increasingly becoming very popular. However, the completion rates for online learning are notoriously low. Further, unlike traditional education systems, teachers, if any, are unable to comprehensively evaluate the learning gain of each student through the online learning…

This paper explores possibilities for marrying data visualization to online archival finding aids, which have continually suffered from usability issues in their long history. This paper describes a project in which two different data visualization models were built to replace sections of an archival finding aid. Users were then shown the models,…

This paper explores the potential of an online TimeBank for inclusive research to address some of the challenges related to the unequal distribution of power and money for researchers within and outside the academy working in collaboration. The problem, the concept of TimeBanking, and the relationship of TimeBanking to inclusive research…

Describes use of case study method to systematically develop model of online searching behavior in which study design is flexible, data gathering and analyses are determined by subject matter, and specific procedures are decided upon while study progresses. Problems and measures taken to reduce their effect are discussed. (Eleven references are…

Describes a model enumerating cost factors for comparing costs for paper, online, and CD-ROM indexes and abstracts. The model is applied to start-up and annual costs, and to the cost of storing and providing access to ERIC, Applied Science and Fisheries Abstracts, and Excerpta Medica, based on anticipated academic library usage. (MBR)

Decision support systems integrate information from multiple data sources, both internal and external, to produce concise analytic reports for both decision making and planning. The administrator requiring information for decision making is usually not concerned with daily, detailed changes, but rather with aggregated numbers, from fixed points in…

Computer based information search services, ISS's, of the type that provide on-line literature searches are analyzed from a system's viewpoint using a continuous simulation model. The analysis shows that the observed growth and stagnation of a typical ISS can be explained as a natural consequence of market responses to the service together with a…

Describes a computer simulation model developed to provide information on the number of terminals or readers needed in the advent of microfilm or computerized catalogs in libraries. Systems with two to 14 terminals are simulated, and decision variables include average patron waiting time, number of patrons lost, and average terminal utilization.…

Describes preliminary results of a study that examined the effect of individual differences on the use of CD-ROM databases by novice undergraduate users. Factors considered include age, sex, native language, major, computer literacy, computer affinity, personality traits, learning style, visual ability, and perceived usefulness of the system. A…

Discusses and describes a model of an automated "catalog" of community service agencies that was created for a library information center. Topics covered include standards, bibliographic data processing systems, cataloging considerations, UWASIS (United Way of America's subject access system), and reference tools. Examples from the…

This report summarizes the findings of the EISO project, which was funded in 1975 to develop, evaluate, and analyze an information dissemination system based upon computerized retrieval of bibliographies. With much of the research component completed, the service component is operational, providing Ontario educators with online bibliographic…

The Hepatitis Knowledge Base (text of prototype information system) was used for modifying and testing "A Navigator of Natural Language Organized (Textual) Data" (ANNOD), a retrieval system which combines probabilistic, linguistic, and empirical means to rank individual paragraphs of full text for similarity to natural language queries…

Presents new perspective on computerized information interchange within library community, and explains Open Systems Interconnection Model promoted by International Organization for Standardization, American National Standards Institute, and National Bureau of Standards. The Linked System Project undertaken by Library of Congress, Research…

Formulates a model to accommodate the hypothesis that, if the content representation items of documents in a database are neither totally independent nor highly correlated, combining them in a certain way may increase information retrieval effectiveness. The results of a small experiment that tested this hypothesis are presented. (Author/JD)

A systems framework is presented for the evaluation of online bibliographic retrieval services by determining the interrelationships among the procedures in search request processing, the client's gain in knowledge, and the degree of client satisfaction. The application of the framework to an evaluation of the Educational Information System for…