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)

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)

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Reviews databases providing information on published, standardized and unpublished, non-standardized test instruments: Educational Testing Service File, Mental Measurements Yearbook Database, Dissertation Abstracts Online, ERIC, and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)

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…

Examines use of online access to bibliographic files in library reference service, focusing on two systems: OCLC and Research Libraries Information Network (RLIN). The development and current status of each system, differences between systems, search examples, user expectations, and advantages of online access are noted. Twenty references are…

Compares database update currency, number of hits, elapsed time, number of offline prints or online types, offline print turnaround time, vendor rates, total search cost, and discounted search cost based on vendor discount rates for five simple searches run on three major commercial vendors' online systems. (CWM)

Describes the decisions involved in an online environmental literature search of COMPENDEX and ENVIROLINE databases when considering free text or controlled vocabulary searching techniques. Topics covered are scope, concept identification, database choice, planning search strategy, and changing tactics during the search. Appendix contains examples…

Outlines practical searching techniques in seven core behavioral science databases accessing psychological literature: Psychological Abstracts, Social Science Citation Index, Biosis, Medline, Excerpta Medica, Sociological Abstracts, ERIC. Use of individual files is discussed and their relative strengths/weaknesses are compared. Appended is a list…

Discusses and differentiates between four commercially available versions of the online source of chemistry information, "Chemical Abstracts": Lockheed, SDC, BRS, and NLM. Disadvantages/advantages of the vendors are considered, and tables are used to show the different print formats and data elements of each version. (JD)

Examines the strengths and weaknesses of the three chemical dictionary files now available online--CHEMNAME, CHEMDEX, CHEMLINE--to aid the searcher in selecting the most appropriate database. (Author/JD)