Compares the available databases, retrieval techniques and costs of traditional online searching of remote databases and local online access, i.e., databases available at the point of use via CD-ROMs or site licenses. The options and risks of local online access, and the possible impact on the database industry, are discussed. (CLB)

Discusses the variety of search command languages among online systems and provides suggestions for creating online information retrieval manuals using a database management system such as dBASE III PLUS. An online systems comparison chart is included for INFOGLOBE, INFOMART, DIALOG, QUICK LAW, and REUTERS TEXTLINE. (LRW)

Provides a chart showing differences (as of November 1979) in basic indexes for a number of databases that are available on two or more systems, such as DIALOG, ORBIT, and BRS. For each database, fields that are searched when a single unqualified search term is entered are listed. (Author/JD)

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…

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)

Determines the usefulness of two cataloging databases in an industrial library by comparing the availability of catalog copy of the library's recent monographic acquisitions on OCLC and Inforonics. (FM)

Describes a survey of library systems and software vendors that examined the sources, management, and use of authority records in their systems and the functions of an authority control module within an integrated system. Several tables and graphs offer summaries and comparisons of vendors' offerings and capabilities. The questionnaire used is…

This study compared online versions of LISA (Library and Information Science Abstracts), Library Literature, and ERIC to investigate time lag and duplication of coverage. Six searches of each database were executed over a period of 15 months. Results indicated that Library Literature had the least time lag and LISA the most; duplication was low.…

Reviews databases providing information on published, standardized and unpublished, non-standardized test instruments: Educational Testing Service File, Mental Measurements Yearbook Database, Dissertation Abstracts Online, ERIC, and Psychological Abstracts. Search strategies, search examples, and a summary chart of searchable fields for test…

Enumerates principal management objectives of database management systems (data independence, quality, security, multiuser access, central control) and criteria for comparison (response time, size, flexibility, other features). Conventional database management systems, relational databases, and database machines used for backend processing are…

Recommends those cases in which a database search of CIJE would benefit from a supplementary manual search of Education Index. Article also presents findings of a study of the usefulness of CIJE abstracts (1969-1978) which suggest that the user choose different online printing formats for different years. (JD)

Profiles 25 database distribution and production companies, all of which responded to a 1997 survey with information on 54 separate online, Web-based, or CD-ROM systems. Highlights increased competition, distribution formats, Web versions versus local area networks, full-text delivery, and pricing policies. Tables present a sampling of customers…

Describes the different approaches taken by the Chemical Abstracts Services database, which abstracts and indexes chemical publications, and the Belstein Handbook of Organic Chemistry database, which produces a collection of critical reviews. The resulting content of the databases and their ability to meet the needs of different users are…

Of 25 databases available on both DIALOG and European Space Agency's Information Retrieval Service (ESA/IRS), five are less expensive on DIALOG by three price factors (online connect charges, online displays of citations, offline prints); five are less expensive on ESA/IRS; remaining 15 represent mixed bag (connect charges offset citation…

Outlines major online agricultural information services--agricultural databases, databases with agricultural services, educational databases in agriculture--noting services provided, access to the database, and costs. Benefits of online agricultural database sources (availability of agricultural marketing, weather, commodity prices, management…