This description and comparison of the major economic statistical database services discusses such factors as public and proprietary data, value-added services, user training and support, data specialties, and pricing. (CLB)

Outlines evaluative criteria and compares optical data disk products used in library technical processes, including bibliographic records for cataloging, acquisition databases, and local public access catalogs. An extensive table provides information on specific products, including updates, interfaces, edit screens, installation help, manuals,…

Compares four full text periodical databases to one another and to traditional online databases in terms of the types of information available, the number of titles available, coverage of periodical contents, timeliness, and search features. (CLB)

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)

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)

Presents survey of two groups of databases covering patent literature: patent literature only and general literature that includes patents relevant to subject area of database. Description of databases and comparison tables for patent and general databases (cost, country coverage, years covered, update frequency, file size, and searchable data…

Examines a number of current products that enhance CD-ROM use. Highlights include shareware; audio players; drive control, including security devices; caching, to increase speed; benchmarks and diagnostics, to compare different drive models; enhanced extensions; and file management. (LRW)

Discussion of the use of CD-ROM databases for end-user searching versus online database searching in academic libraries focuses on a comparison of two databases, "Psychological Abstracts" and "Sociological Abstracts," that were searched in both formats. Factors of response time, coverage, content, and cost were investigated for…

Describes a progression of tests that were developed for assessing online database accuracy. Results of the tests are discussed and compared; examples of search queries on DIALOG are given; and the possibility of standardizing such tests are considered. (Contains 11 references.) (LRW)

Describes compilation of data concerning pharmaceutical journal coverage in online databases which aid information providers in collection development and database selection. Methodology, results (a core collection, overlap, timeliness, geographic scope), and implications are discussed. Eight references and a list of 337 journals indexed online in…

This evaluation of Predicasts' PROMT megafile and its implications for online searchers includes a comparison of sample searches of company and product data in PROMT and a control database, a critical evaluation of company documentation, and a survey of PROMT users. (CLB)

Two tables compare projected costs of online versus offline retrieval of citations from 50 databases using BRS and DIALOG. Data include database; databank; cost of access per hour; cost of 15-minute search with no retrieval; and cost of 15-minute search plus cost of 10 and 30 online or offline citations. (CLB)

Reports the results of a study that examined four databases, AGRICOLA, BIOSIS, CAB, and SCISEARCH, to determine their overlap with regard to agricultural and forestry literature. Relative strengths and weaknesses were assessed concerning subject coverage, timeliness, and searching capabilities. (Author)

Describes and compares the nine online databases that index the Washington Post. Points of comparison include materials that are excluded from the database, citations to excluded materials, citation formats, search vocabularies and strategies, full-text searching, cross-file searching, and search costs. (5 references) (CLB)