The heterogeneous environment of information retrieval on the World Wide Web has brought the recognition for the need of interoperability among diverse systems to the fore. In subject retrieval, users encounter not only different vocabularies and schemes, but also different languages. As a result, there has been a flourish of projects in the last…

Presents a framework for enhancing trust in Internet commerce. Shows how trust can be provided through a network of Trust Service Providers (TSp). Identifies a set of services that should be offered by a TSp. Presents a distributed object-oriented implementation of trust services using CORBA, JAVA and XML. (Author/AEF)

One of the principal challenges in public administration is adapting to needs derived from the application of new technologies that impact directly on managing as well as transmitting information and in supplying it accurately to the citizens. The Bangemann Report calls attention to the important role played in the development of the information…

Describes Project LIS (library information systems), a student-originated and student-developed metasite of URLs that points to information about integrated online library systems (IOLS) vendors, electronic journal titles and specific e-journal articles addressing IOLS topics of interest, and general information sources that might be accessed by…

This special report on the electronic content industry covers three interrelated areas: technology, rights/legal issues, and pricing/business models. Articles include: "Content Anywhere, Anytime"; "Content Management Technology: A Booming Market"; "Entering the Content Space: Carry Your Lawyer at All Times"; Content Unchained: The New Value Web";…

Coordinated by the U.S. Geological Survey, the National Biological Information Infrastructure (NBII) is a Web-based system that provides increased access to data and information on the nation's biological resources. This article-an individual case study-addresses the structure of the NBII related to thematic, infrastructure and place-based…

Reviews currently available instructional systems design models and describes a new design model for Web-based knowledge management (KM) systems, based on a living-systems approach, and the mechanisms it contains for accommodating change and growth. Illustrates the application of the phases of the model in the development of a KM system with…

This study developed an analytical approach to detecting groups with homogenous usage patterns in a Web-based information system. Principal component analysis was used for data reduction, cluster analysis for categorizing usage into groups. The methodology was demonstrated and tested using two independent samples of user sessions from the…

Discusses the design and implementation of Indiana University's course management enterprise system, Oncourse. The Oncourse project provides a technical framework for the dynamic creation of Web environments and Web-based supplementary functions for every course section offered in the university. (Author)

Results from user studies support the importance of genre and task in interface design and effectiveness of filtering of electronic news. Preliminary results from a study on effectiveness of predicting interesting Web pages based on the content of previously visited pages suggest a great similarity between reading electronic news and browsing the…

The World Wide Web has generated a dramatic increase in the availability of electronic journals. Discusses the development of electronic publishing: CD-ROM systems, local data loading, and pre-Web online environments; and outlines remaining obstacles to libraries making the leap from paper to electronic collections: critical mass, aggregation,…

Describes design considerations of two interrelated programs that together make LEArning Portfolio (LEAP) prototype system for accessing engineering information for engineers. The two programs are: Engineering Information Sources and Access (EISA), implemented as a Web-based self-learning prototype system; and Information Sources that Every…

The University of Wisconsin System (UWS) has attempted to establish a well-defined set of support services for Internet-based teaching and learning for its 27 campuses and LI (Learning Innovations, a UWS organization that focuses on total online programs). The objectives of these services are: to provide all University of Wisconsin (UW) campuses…

Describes an experimental system designed to organize and provide access to Web documents using a faceted pre-coordinate indexing system based on the Deep Structure Indexing System (DSIS) derived from POPSI (Postulate based Permuted Subject Indexing) of Bhattacharyya, and the facet analysis and chain indexing system of Ranganathan. (AEF)

This study addresses some basic questions about students' strategies for seeking and using information from the World Wide Web. The questions pertain to the effects of environment and attitudes on students' use of online resources to find information and the development of a typology of strategies. The focus of the study was on describing student…