The variety and complexity of potentially-related data resources available for querying--webpages, databases, data warehouses--has been growing ever more rapidly. There is a growing need to pose integrative queries "across" multiple such sources, exploiting foreign keys and other means of interlinking data to merge information from diverse…

In the pharmaceutical industry more emphasis will be required on tertiary sources which maintain multiple computer-based files. These files are now being made available for SDI purposes, while their usefulness for retrospective searches still needs to be evaluated. (7 references) (Author/NH)

The objective relevance of a document to a request is crucial to the design and testing of bibliographic retrieval systems, while subjective relevance is paramount in the use of such systems. The distinction provides a rationale for a trial-and-error mode of interaction with information systems. (Author/EM)

This paper reports an industrial information specialist's experience in performing online searches for engineers and surveys the databases used. Engineers seeking assistance fall into three categories: (1) those who recognize the value of online retrieval; (2) referrals by colleagues; and (3) those who do not seek help. As more successful searches…

This article concentrates on the use of online searching to provide information needed by business for strategy formulation. The following steps are explained: environment analysis (structural analysis, trend analysis); business analysis; strategy formulation; strategic anticipation; strategic plan formalization; and implementation and control.…

The development of special-purpose information products for clients of the LEADERMART information retrieval system is described. (9 references) (RS)

Discusses evidence-based medicine (EBM) and the need for systematic use of databases like MEDLINE with more sophisticated search strategies to optimize the retrieval of relevant papers. Describes an empirical study of hospital libraries that examined requests for information and search strategies using both structured and unstructured forms.…

This study examined the quality of medical students' confidence estimates in answering questions in bacteriology based on personal knowledge alone and what they retrieved from a factual database in microbiology, in order to determine whether medical students can recognize when an information need has been fulfilled and when it has not. (Author/LRW)

Designed for educators requesting information from ERIC and for the search intermediary who channels educators' requests to a search service, this updated guide explains in non-technical language the steps involved in preparing a computer search for the ERIC database. A beginning section on how to initiate a search discusses the choice of a…

This study of ranking algorithms used in a Boolean environment is based on an evaluation of factors affecting document ranking by information retrieval systems. The algorithms were decomposed into term weighting schemes and similarity measures, representatively selected from those known to exist in information retrieval environments, before being…

Database publishers are in a position to assist corporate users in their transition into the future by providing services which successfully integrate online systems with the larger information systems. Information is one of industry's most valuable assets. Present and future technological advancements offer the means for controlling burgeoning…

Discusses the relevance of communication, meaning, and identity in putting information work into a cultural context. The process of information seeking is discussed, the mediation of communication formats and devices in determining meaning is described, and implications for information specialists are suggested. (11 references) (LRW)

This paper documents procedures for maintaining and updating the National Education Practices File, a program designed to identify needs in education and to develop a resource system for educators. Each feature is discussed with emphasis on major issues. Documentation of procedures and discussion of issues are based on experiences of the file…

This report discusses the management of scientific and technical bibliographic data bases by the Federal Government, the existence of overlapping and duplicative bibliographic information services, the application of cost recovery principles to bibliographic information services, and the need to manage information as a resource. Questionnaires…

This profile of INFORM, the fee-based service offered by Minneapolis Public Library and Information Center, highlights its background, online search services and frequently used databases, major planning considerations (equipment, user aids, choice of vendor, training), internal operations (billing, purchasing items for clients), marketing, and…