While functions and relations are important concepts in the teaching of mathematics, research suggests that many students lack an understanding and appreciation of these concepts. The present paper discusses an approach for teaching functions and relations that draws on the use of illustrations from database management. This approach has the…

In an effort to improve the ways in which words are learned, the Johnson O'Connor Research Foundation (JOCRF) is attempting to determine the difficulty level of all non-technical words in the English language. This item banking project entails: (1) identifying words that should be calibrated; (2) writing a test item for each word; (3) testing the…

This document addresses the recommendation contained in the 1989 California Strategic Plan for Adult Education for an integrated adult education data system. The recommendation proposes collecting and organizing community adult education information into groups of data on: program services, program delivery, learner characteristics, and learning…

This description of the development of the Education Resources Information Center (ERIC) compact disc by two companies, SilverPlatter and ORI, Inc., provides background information on ERIC and the ERIC database, discusses reasons for choosing to put the ERIC database on compact discs, and describes the formulation of an ERIC CD-ROM team as part of…

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,…

Several studies were conducted in 1987 by the Multilevel Evaluation Systems Project, which focuses on developing a model for a multi-purpose, multi-user evaluation system to facilitate educational decision making and evaluation. The project model emphasizes on-going integrated assessment of individuals, classes, and programs using a variety of…

Discusses the events that led to the National Archives policy of preserving magnetic tapes of data generated by federal agencies and accumulating these databases as research tools. The current methods of preservation and access are described, and technical problems and archival concerns about standards are identified. (12 notes with references)…

Highlights the unique characteristics of NEXIS, a full-text database of newspaper, wire-service, magazine and newsletter stories, and discusses its structure, educational versus commercial rates, the old versus new price structure, and search tips. An addendum describes changes through October 1985 and detailed appendices are included. (Author/EM)

Describes a survey of 39 database publishers concerning their policies for downloading, i.e., capture of information into machine-readable format from proprietary databases. Discussion covers fair use principle, long-term storage and reuse, policy enforcement, and per record payment principle. Database publishers surveyed profile of survey…

Examines novel computer filing systems which have particular application to office information storage and retrieval requirements. A variety of filing systems and their major characteristics are reviewed, ranging from network-based file servers to digital image storage and retrieval systems. Desirable characteristics of a modern electronic office…

TimeMap is a unique integration of database management, metadata and interactive maps, designed to contextualise and deliver cultural data through maps. TimeMap extends conventional maps with the time dimension, creating and animating maps "on-the-fly"; delivers them as a kiosk application or embedded in Web pages; links flexibly to…

This book provides guidelines for evaluating a variety of database types, including abstracting and indexing, directory, full-text, and page-image databases available in online and/or CD-ROM formats. The book discusses the purpose and techniques of comparing and evaluating the most important characteristics of textual databases, such as their…

Investigates new design options for extended schema versioning support for multitemporal relational databases. Discusses the improved functionalities they may provide. Outlines options and basic motivations for the new design solutions, as well as techniques for the management of proposed schema versioning solutions, includes algorithms and…

Examines possible reasons for the slow adoption of full text primary literature online by users. Areas discussed include the lack of complete online files, competition with better known sources, isolation of full text files, and the slow adoption of online services in general. Possible future developments are discussed. (three references) (CLB)

Describes variations in current bibliographic databases in such areas as database organization, contents, authority control, and uses. The discussion covers the implications of these factors, optical disk technologies, and the Linked Systems Project for the future of national bibliographic databases. (nine references) (CLB)