This paper addresses the problem of data management techniques for efficiently retrieving requested subsets of large data sets from mass storage devices. Describes the development of algorithms and software that facilitate the partitioning of a large data set into multiple "clusters" that reflect their expected access. (Author/JKP)

Describes policies formulated by the Chinese government that use information technology to facilitate the development of scientific and technical information activities. Highlights include online information retrieval; the construction of databases, including Chinese language, numeric, and Chinese trade and technology databases; the development of…

Performance is a critical factor hindering the use of object-oriented databases (OODB). This article proposes a new and uniform indexing scheme for enhancing OODBs with advantages for small range, clustered sets queries. Reviews several other indexing schemes; presents the U-index scheme; discusses its performance; and presents experimental…

Short Fiction on Film is a database that was created and will run on DataRelator, a relational database manager created by Bill Finzer for the California State Department of Education in 1986. DataRelator was designed for use in teaching students database management skills and to provide teachers with examples of how a database manager might be…

This paper reports on the evolution of a software environment called ClassACT (Class Annotation and Collaboration Tool) from a simple multimedia annotation program to a multi-domain archival database management system. ClassACT was developed at Northwestern University (Illinois) for instructional use, and, although its original goal was to solve a…

Describes the architecture of the prototype of an image management system that has been used to develop an application concerning images of frescoes in the Sistina Chapel in the Vatican. Hardware and software design are described, the use of local area networks (LANs) is discussed, and data organization is explained. (15 references) (LRW)

Describes the Konstanz Hypertext System which offers a domain-specific developmental environment for the construction of large hypertexts. Highlights include the integration of external information, and three examples: resource discovery of online databases, management of electronic mail, and the compilation of an electronic journal issue.…

This paper discusses a generic query tool that enables an end user to query a metadata store through filters that impose search criteria on attributes. The Metadata Query Tool (MQT) is generic in the sense that it dynamically creates its user interface, based on configuration files that define the metadata scheme and the query functionalities.…

Discusses the design of online scoring software for computer-based education supporting high psychometric and fairness standards. Describes a system from the point of view of graders and supervisors; the design of the underlying database; data integrity and confidentiality; and the advantages of database design and online grading. (PEN)

An intelligent advisor system is an adaptive system aimed at intervening when the user of any application software performs complex transfer tasks. An important aspect that needs to be taken into account when designing and developing an advisor system is the strategies and tactics used by the advisor to provide the user with an environment…

Education continues to move on-line through the World Wide Web. Classrooms of students and teachers are no longer restricted by time or distance. ClassNet is a tool that manages these virtual classrooms; it automates many of the administrative tasks associated with global Internet classes. Through a simple interface of Web forms, students can…

In the course of a Web development project for the Museum fur Volkerkunde in Vienna, ViEx, a reuse framework supporting authoring and managing hypermedia exhibitions, has been developed. The framework consists of three major components: a relational content database, a corresponding browser based editing interface, and a Web page generator which…

Describes the development of a computer-aided decision-making system to assist educational practitioners in curriculum decision making about innovative program features and implementation requirements. Topics discussed include the identification of variables; database generation; mathematical modeling; compromising between effectiveness and…

Discussion of aggregator databases focuses on a project at the Hong Kong Baptist University library to integrate full-text electronic journal titles from three unstable aggregator databases into its online public access catalog (OPAC). Explains the development of the electronic journal computer program (EJCOP) to generate MARC records for…

This paper provides a brief description of Hyper-G, the first second-generation hypermedia system. The first section identifies problems with first generation hypermedia systems. The following sections discuss the new concepts that are implemented in Hyper-G, including user accounts and billing, structuring of data, caching and replication, native…