On2broker provides brokering services to improve access to heterogeneous, distributed, and semistructured information sources as they are presented in the World Wide Web. It relies on the use of ontologies to make explicit the semantics of Web pages. This paper discusses the general architecture and main components (i.e., query engine, information…

Focuses on self-service, seamless, Web-based libraries--electronic libraries created by information professionals, Meta sites for the 21st Century where users with average Internet skills can find quality Web sites. Discusses content, design, effective implementation, and final evaluation. (AEF)

This paper describes the progress made under the ELISE II electronic image library project from a technical standpoint. The ELISE II project is a European-wide initiative that aims to provide a comprehensive electronic image library service for Europe. It is funded under the European Commission, DG XIII-E, Telematics for Libraries Initiative. The…

Law is grounded in the past, in the decisions and reasoning of generations of lawyers, judges, juries, and professors. Ready access to this history is vital to solid legal research, and yet, until 2000, much of it was buried in vast collections of aging paper journals. HeinOnline is a new online archive of law journals. Development of HeinOnline…

Examines visual information needs as expressed in users' Web image queries; the data set consisted of 1,025,908 sequential queries from 211,058 users of EXCITE, a major Internet search service. Provides data on: image queries, image search sessions, and image terms. Discusses implications for the development of models for visual information…

This paper presents the results of a three-year project of the 22 libraries of the California State University (CSU) system to create an entirely new approach to information access. The Unified Information Access System (UIAS) is designed to provide integrated, single-search access to the full range of library information resources. In addition to…

The Telemakus System builds on the areas of concept representation, schema theory, and information visualization to enhance knowledge discovery from scientific literature. This article describes the underlying theories and an overview of a working implementation designed to enhance the knowledge discovery process through retrieval, visual and…

Introduces Information Management Assistants (IMAs). Presents work on an architecture for this class of system, and progress in implementing Watson, a prototype of such a system. Watson observes users in word processing and Web browsing applications and uses a simple model of the user's tasks, knowledge of term importance, and an understanding of…

Discusses the developers/development, maintainers, and users of the digital collection on peaceful uses of nuclear energy, produced by the International Nuclear Information System (INIS) of the International Atomic Energy Agency (IAEA). Sensitive to users in both developing and highly developed countries, this system provides closer linkage…

The need for information systems to support the dissemination and reuse of educational resources has sparked a number of large-scale digital library efforts. This article describes usability findings from one such project--the Digital Library for Earth System Education (DLESE)--focusing on its role in the process of educational resource reuse.…

Presents results from a study of three federal government statistical Web sites. Objectives were to determine who uses these services, types of tasks brought to the sites, strategies used for finding statistical information, and to make recommendations for design improvements. (Author/AEF)

Describes the development by the Alexandria Digital Library of a gazetteer (dictionary of geographic names) composed of a Gazetteer Content Standard, a Feature Type Thesaurus, and an operational interactive gazetteer service. Illustrates the use of this tool in a georeferenced digital library and relates progress in working with Federal agencies…

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…

There are a variety of reasons which prevent users from making the most of information products. The practitioner must keep current with the myriad of information sources available and try to stay aware of changes in coverage. This paper categorizes the types of data in a large financial institution as follows: press sources, mergers and…

This paper describes the experience and the problems solved in the process of developing and integrating advanced World Wide Web-based services into the University of Patras (Greece) system. In addition to basic network services (e.g., e-mail, file transfer protocol), the final system will integrate the following set of advanced services: a…