Introduces this issue, which contains papers from the 1991 Data Compression Conference, and defines data compression. The two primary functions of data compression are described, i.e., storage and communications; types of data using compression technology are discussed; compression methods are explained; and current areas of research are…

Building a gifted program from scratch? Evaluating or changing your program? This CD with exciting PowerPoint slides and manual will give you everything you need for staff development, and will allow you to customize sessions for parents or school boards. The manual contains background material with references as well as reproducible pages …

The objectives of this project were to assist the National Archives and Records Administration (NARA) in developing a policy for the representation, transfer, access, and preservation of electronic records of permanent value. A lack of attention to the management, retention, and selective preservation of these machine-readable records will result…

A study of computer facilities in British libraries highlighted the respective benefits and disadvantages of using the parent institution's central computer or using a dedicated minicomputer. The large computer's technical advantages include greater opportunities for sharing or buying operational software, and the availability of experienced…

The demand for computers to help manage learning comes mostly from those engaged in attempts to individualize education, who have discovered a need for computers to help them make decisions and organize their data. This paper considers the problems that can arise in implementing computer-managed learning by indicating what has happened in…

Discusses factors that should be considered by buyers and producers of databases on CD-ROM (compact disc-read only memory). The advantages and disadvantages of CD-ROM are also discussed and compared with those of magnetic and print media, and market projections are provided. (CLB)

Describes the Eastman Kodak Company's microfilm and optical disk technologies and their applications. Topics discussed include WORM technology; retrieval needs and cost effective archival storage needs; engineering applications; jukeboxes; optical storage options; systems for use with mainframes and microcomputers; and possible future…

This paper examines the design and evaluation of a TV on Demand (TVoD) system, consisting of a globally accessible storage architecture where all TV content broadcast over a period of time is made available for streaming. The proposed architecture consists of idle Internet Service Provider (ISP) servers that can be rented and released dynamically…

An examination of the current state of the art of podcasting, with a focus on video podcasting. Included are a review of the history and technical aspects of podcasting and an overview of current educational applications of podcasting. A detailed description of an experiment conducted in creating and distributing video podcast episodes is…

Managing resource usage and data delivery with virtualization devices is a staple of many of today's data infrastructures. By breaking the traditional direct physical access and inserting an abstraction layer, what one sees is what he/she gets, but the mechanics of delivery may be quite different. The reason for the increase in virtualization…

The Physical Chemistry in Practice (PCIP) DVD contains video programs (modules) and experimental data that present the research of scientists working in applications of physical chemistry. The DVD allows students to learn about cutting edge research in physical chemistry while making connections to the theoretical concepts learned in lecture.…

Technology has dramatically changed the world--now almost anyone can "move" at Internet-speed; people who were marginalized are able to find information on acquiring micro-loans to start businesses, and villages previously unconnected to the telecommunications grid now have affordable cell phone access. As technology becomes easier to…

American copyright law provides a means of stimulating intellectual development and protecting the ownership interests of the authors of copyrighted works. Over the years, U.S. copyright law has evolved in order to respond to societal and technological changes. Under the copyright statute certain uses of a copyrighted work are permitted under the…

The report describes an experimental study involving an on-line placement system in Boulder, Colorado which permitted applicants to request information from a terminal on any job stored in the computer. Data were collected on applicants referred by the Employment Service: whether or not hired, reason for not being hired if not hired, applicant…

A relational data system (RDS) is one that has the capability not only to retrieve specific facts but also the ability to deduce facts that are implicit rather than explicit in the data base. The study investigated the application of RDS technology to intelligence data processing. RDS technology and the nature of intelligence data processing are…