Two basic data processing concepts are described: data elements (consisting of bits, bytes, fields, records, and files) and binary characters (standards, hex value, and extended character sets--Greek letters, superscripts, and subscripts). Use of machine-readable data in the OCLC-MARC database is noted. (EJS)

Argues that online searching in terms of both recall and precision improves when search results are checked, and identifies many problems that a searcher should look out for. Numerous examples of printouts illustrate these problems. (JD)

Presents an annotated list of 17 references dealing with various topics related to telecommunications and online systems. (JN)

This paper presents an overview of the major Canadian online systems, which account for approximately 5% of information vendors and databases worldwide. Also described is DATAPAC, Canada's national telecommunications network, and DATAPAC's X.75 interface with TELENET, TYMNET, UNINET, and France's TRANSPAC. The online systems described include: (1)…

THE FOLLOWING IS THE FULL TEXT OF THIS DOCUMENT: Today there are over 900 on-line data banks available for public access. Most microcomputers can use them through the aid of a modem and communication program. Major public information utilities that offer access to these on-line data bases are growing and expanding. The Source, a data base utility…

Online searching is now a recognized specialization in library schools, but there are certain problems involved with offering online courses. There is a large amount of material to be covered, especially in one course. Students must learn new concepts and make them work in a machine environment. It is difficult to offer suggestions for a fruitful…

A well-designed online database system allows users to ask a computer to find only information that is relevant to their needs. A variety of databases exist, each specializing in a particular topic or type of information. Fulltext systems provide complete copies of such documents as news articles, research reports, and software evaluations.…

This issue on current options in the area of machine-readable cataloging and retrospective conversion highlights generation and use of machine-readable bibliographic records, editing, standards, online and batch access, keying and coding, full-service cataloging and conversion, interlibrary loan, and authority control. Profiles of 22…

This paper proposes solutions to technical, copyright, and financial problems of downloading (storage in machine-readable form at user's site as result of searches in machine-readable file held on vendor's computer). Challenges of downloading--establishing ground rules, new pricing structure, new sales possibilities--are discussed. Six references…

Concentrates on describing and illustrating by example the unique BRS features of the online Social Sciences Citation Index. Appendices provide a key to the BRS/SSCI citation elements, BRS standardized language codes, publication type codes, author's classification of BRS/SSCI subject category codes, search examples, and database specifications.…

Discusses methods for designing search strategies for maximum recall, including minimizing the number of concepts intersected, isolating key subtopics, adapting the strategy to the database, and minimizing problems with search words and codes. (Author/RAA)

Explains search commands for SERIDU, an online bibliographic search system developed at Brussels Free University. These commands and output formats are compared with Euronet commands (from which they were derived), with existing INFODOC storage system commands, and with the planned BIDULE system commands. An evaluation of SERIDU is included. (SW)

This document is designed as a comprehensive resource and guide for computer-using educators who wish to expand the scope and magnitude of their computer power through telecommunications. The major focus is on the microcomputer's ability to communicate with other microcomputers via telephone lines. Emphasis is placed upon information services and…

This manual provides electrical and electronic engineers with an introduction to online information retrieval as implemented on the DIALOG information retrieval system. Sections cover: (1) the development of computerized information retrieval; (2) its advantages; (3) the equipment needed, DIALOG hours of availability, methods of access, and cost…

Evaluates the database program SAVVY PC and describes its use in a public library reference department to index a local newspaper. The basic structure of SAVVY and FORTH, the language it's written in, are explained along with how the database is used. Advantages and disadvantages of the system are discussed. (EM)