Develops an approach for advance estimation of user charges based on information actually retrieved by searching numeric databases, and defines a method for query cardinality estimation. Based on the relational data model, which uses relational algebra, this method uses formal file descriptions to describe the database files. (LRW)

Describes the current activities of 11 individuals who were prominent in the information industry at the time of Online Magazine's debut. Included are the founders of Congressional Information Service, New York Times Information Bank, Data Courier, Inc., Predicasts, Bibliographic Retrieval Services, Dialog, LEXIS and NEXIS. (EM)

The author explores the many features of the electronic business setting. She discusses (1) executive workstations, (2) data management, (3) electronic mail, and (4) teleconferencing. (Author/CH)

Besides redistricting problems engendered by higher elementary school enrollments (and decreasing secondary enrollments), school administrators face student transport challenges. Acquiring new routes and larger buses could be costly. This article advances computerized systems as the most cost-effective way to optimize routes and manage…

Describes use of a database management system (dBASE II, produced by Ashton-Tate), noting best features and disadvantages. Highlights include data entry, multiple access points available, training requirements, use of dBASE for a bibliographic application, auxiliary software, and dBASE updates. Sample searches, auxiliary programs, and requirements…

Facilities that teachers and students can use to store and access bibliographic materials on a computer, referred to as a bibliographic information system (BIS), are described. Advantages and disadvantages of the BIS in teaching are examined, and questions to consider before acquiring a BIS and how to acquire a BIS are discussed. (RM)

Focuses on indexing refinements in major life science databases--those specializing in biological/biomedical literature coverage--which influence cross-life searching decisions. Tables included highlight database descriptions, comparisons in coverage, ease of access (indexing of secondary concepts or search modifiers), chemical substance indexing…

Describes several situations in which elementary and secondary school students successfully use adult level software in learning situations. Suggestions on how to teach students to use adult level software are presented and the advantages of such use are discussed. (MBR)

The LOTUS 1-2-3's special database management operations are used by school budget officials to display data in a variety of ways to assist their decision making. (MLF)

Gives advice on the evaluation, purchase, and setup of a computerized student database for consolidation of scheduling, attendance, grades, and other recordkeeping tasks. Recommends questions to be asked and outlines a workable system configuration. (JM)

Describes research undertaken at Open University (Great Britain) and Deakin University (Australia) in the use of international communication by electronic mail for (1) the collaborative study of distance education and (2) use of international course teams in preparing distance teaching materials. The electronic mail system and difficulties…

This discussion of three automated acquisitions systems--Bib-Base/Acq, The Book Trak Ordering System, and Card Datalog Acquisitions Module--covers searching and updating, editing, acquisitions functions and statistics, purchase orders and order file, budgeting and accounts maintenance, defining parameters, documentation, security, printing, and…

Using Institute for Scientific Information bibliographic databases covering all subject fields in 1970s, 659 research journal papers on Cyprus (215 in science, 282 in social science, 162 in arts and humanities) were analyzed to answer specific bibliometric questions. Tables covering papers, authors, journals, and book reviews are appended.…

Identifies two types of applications software for microcomputers: (1) communications, file transfer, and search assistance software, which facilitates intelligent access to external databases; and (2) software to support local database creation and searching. Functions of each type of software are described and examples of commercial packages are…

Lists computer programs selected on basis of following criteria: (1) applicability or easy adaptability to academic or research library environment; (2) operative on three microcomputer brands found in academic and research libraries; (3) good or excellent reviews appearing in software magazines; (4) price ranging from $50-$350. Vendor addresses…