The findings of the first two parts of a five-part study are presented. The objectives of the first two parts were to determine the overlap of primary journal coverage among the services and to compare selection processes for the same articles by the different services. (4 references) (Author/SM)

Minimum, maximum, and average lengths and frequency counts for the data elements in the Chemical Substance and General Subject segments of the Standard Distribution Format (SDF) files distributed by Chemical Abstracts Service are presented. (5 references) (Authors)

A data base designed for scientists, engineers, and others in need of factual information developed under the Long Range Research Project at Indiana University is described. (3 references) (SJ)

Discusses what generalized data-based management systems are and how they can be utilized in the field of education. Advantages of using the system and its effect on educational management are considered in detail. (DN)

The ACE Data Base is compared to others. Devises for maintenance of confidentiality in data collection, transmission, and analysis are evaluated, as well as administrative and ethical regulations, and computer processing. Recommendations follow. (Author/DB)

Direct interviews at 12 selected medical schools in the U.S. and Canada to determine the validity of the Medical School Curriculum Workshop questionnaire data. (IR)

Describes 12 components comprising a comprehensive guidance system being designed to meet developmental, prescriptive, and associated nonpersonal needs of high school pupils. (CJ)

Results of this study comparing coverage and features of Psychological Abstracts and National Institute of Mental Health (NIMH) online databases demonstrate a 49 percent citation overlap between the files. A complementary, not competitive, relationship is indicated by comparing citation overlap, journal coverage, descriptive indexing, treatment of…

Describes experiment which compared two techniques used for evaluating and comparing database coverage of a subject area, e.g., "bibliography" and "subject profile." Differences in time, cost, and results achieved are compared by applying techniques to field of volcanology using two databases, Geological Reference File and GeoArchive. Twenty…

Traces the evolution of Engineering Information, Inc. (Ei), from beginnings in 1884 to present transition from role of traditional publisher of print-based bibliographic abstracts and indexes to provider of computer-based information products and services. Ei's concept of future as one-stop engineering information supermarket is defined. Ten…

Computerized searching of bibliographic databases useful in women's history studies is discussed. The particular material available in machine-readable form and aspects of searching for it are reviewed. How to arrange for a search is also explained. A number of databases and search services are described. (Author/EF)

An iterative method for information retrieval is presented using searchonyms found from previously retrieved set of documents in query expansion. Large operational bibliographic databases are used to simulate behavior of this method which selects most informative features as searchonyms to be used in query reformulation. Ten references are listed.…

Considers patent subject searching capabilities of major online databases, noting patent claims, "deep-indexed" files, test searches, retrieval of related references, multi-database searching, improvements needed in indexing of chemical structures, full text searching, improvements needed in handling numerical data, and augmenting a…