This paper provides a comprehensive set of guidelines for building an online course based on the e-learning standards. It discusses the steps that should be followed to build a digital repository that facilitates the storage, retrieval, and reuse of the learning resources that comprise an online course in a standard way. The paper also examines…

Describes characteristics of hypertext, how it is currently being used, and discusses possible uses of hypertext in conjunction with online databases. An online medical textbook developed by BRS and Columbia Presbyterian Medical Center is described, links between databases are discussed, and future systems are suggested. (10 references) (LRW)

This introduction to the characteristics of software for CD-ROM describes programs used to format and create data stored on the disk, as well as retrieval programs. Criteria that need to be considered when evaluating CD-ROM software are discussed, including retrieval strategies (browsing vs. keyword searching), interfaces, index and file…

Describes a project at the British Architectural Library to automate all of its systems into one integrated database, maintaining the specific requirements of the architectural curator while introducing systems and standards accepted by the librarian. The discussion covers the methods used to achieve a link between objects and documentation. (CLB)

Proposes a new learning algorithm to improve the retrieval effectiveness of the search system used in the hypertext environment using an extended Boolean model with links to improve the ranking of retrieved items. Highlights include the basic retrieval scheme, the learning scheme, and a review of basic probabilistic retrieval models. (Contains 32…

Characterizes information retrieval systems in a network environment from a user's perspective along two axes: query and presentation. Several examples of early, current, and developing information retrieval systems are considered within this framework, and Daltext, a prototype system to support research on text-based retrieval systems, is…

This paper describes the organization, implementation, and outcomes of a joint effort between the Regional Laboratory for Educational Improvement of the Northeast and Islands and the Vermont State Department of Education's Database Project. In 1987, the Laboratory proposed a feasibility study to examine the means and costs of accessing…

This paper is focused on a central aspect in the design of a planned digital library for human movement, i.e. on the aspect of representation and recognition of human activity from video data. The method of representation is important since it has a major impact on the design of all the other building blocks of the system such as the user…

Describes the use of the Z39.50 information retrieval protocol as the basis for Infocal, a read-only, client/server-based campus information system. Technical considerations in adapting the protocol to nonbibliographic data, including semantic modules, dynamic attribute sets, and dynamic record syntax, are described in detail. (Contains 11…

Describes the nature of intellectual access to digitized art images using qualitative methodologies based on a study at the University of Central Florida. Queries of art historians are analyzed and compared to retrieval parameters and image characteristics, and implications for database design are suggested. (Author/LRW)

Important characteristics of lexical databases and their applications in information retrieval and natural language processing are explained. An ongoing project using various machine-readable sources to build a lexical database is described, and detailed designs of individual entries with examples are included. (Contains 66 references.) (EAM)

Knowledge discovery in databases (KDD) revolves around the investigation and creation of knowledge, processes, algorithms, and mechanisms for retrieving knowledge from data collections. The article is an introductory overview of KDD. The rationale and environment of its development and applications are discussed. Issues related to database design…

A project at Brown University has developed a set of application and system software that provides access to a database of Classical Greek literature which is stored on a CD-ROM. Information on the origins of the project is provided and the technical development of the system is described in detail, including the creation of Classical Greek fonts,…

Examines mobile agent coordination and presents TuCSoN, a coordination model for Internet applications based on mobile information agents that uses a tuple centre, a tuple space enhanced with the capability of programming its behavior in response to communication events. Discusses the effectiveness of the TuCSoN model in the contexts of Internet…

Raises questions about the validity and reliability of doing research online via the proliferation of academic databases. Finds different versions of the Lexis-Nexis database have differing search capabilities. Argues that dependence on database research findings means dependence on decisions made by a few people who design search engines and…