Review of current billing practices for online services in Great Britain discusses determinants of successful numeric data display; invoice structure; display format; invoice content; display characteristics; and invoice regularity. Sample invoices from several services are included. (three references) (MES)

Discusses the rationale, principles, required tools, advantages, and disadvantages of the Multifile Multidisciplinary (Horizontal) Search approach to searching online databases. It is noted that this approach is characterized by the use of a large number of files spanning a wide variety of disciplines. (12 references) (MES)

Discusses a survey conducted by "Online Review" and the responses to the questionnaire by 7,000 individual users of online services. Information collected on the 497 organizations represented includes their nature, size and interest area, equipment and services used, future plans of online users, and the profile of typical terminal…

Compares the rapid development of online bibliographic information retrieval systems with that of videotex, still in its experimental stages. Examples of equipment used and services offered in Canada are given. (Author/JJD)

Ten online databases were evaluated for their scope, extent of coverage, timeliness, degree of relevance, and overlap using queries dealing with welfare and corrective services. Ten tables of statistical information are included. (JJD)

Forty-two searchers with varying degrees of experience in searching online bibliographic retrieval systems queried the ERIC database using DIALOG. The results were measured with variables which related to the search outcome (cost effectiveness, precision, and recall) and the search process. (JJD)

Describes how the Computer Database Advice Centre (CDAC) at Ealing College of Higher Education identifies potential user groups, assesses their information needs, and formulates demonstration seminars. Included is a preliminary evaluation of CDAC performance and usefulness, which is based on the demand for seminars and a user questionnaire. Costs…

Two questionnaires sent to medical librarians and users of the Core Medline/Ebsco CD-ROM disc in the Netherlands gathered data on librarians' attitudes toward the various forms in which Medline is offered--i.e., printed, online, and CD-ROM. Tables and graphs present data on product attributes, availability, use, relevance, subjects searched,…