The Medical Literature Analysis and Retrieval System (MEDLARS) is described in detail including its indexing procedures, vocabulary, search strategies, products and services. This handbook also indicates the types of requests that are suitable for retrospective machine search in MEDLARS, and discusses the capabilities and limitations of the…

This is the third in a series of eight reports of a research study for the National Agricultural Library (NAL) on the effective utilization of bibliographic data bases in machine-readable form. It consists of about 750 references collected to provide background data for the seven technical tasks of the study. The bibliography is set up to…

This report presents an analysis of the search query arguments of several major bibliographic utilities and shows the commonalities and differences of the query structure among the various systems. The report illustrates a symbolic metalanguage that was developed to describe and compare the search arguments. In addition, status and error messages…

This compilation of miscellaneous information about the San Mateo Educational Resources Center (SMERC) was designed as a reference tool for SMERC linking agents, i.e., SMERC-trained personnel responsible for explaining their center's information services to subscribing agencies. It contains SMERC subscription information: listings of resources and…

Provides a detailed description of the microcomputer hardware and software used by the Euronet-Diane Launch Team for automating a number of functions associated with online searching. Background, login procedures, program architecture, maintenance problems, comments on lessons learned, and suggestions for avoiding difficulties with this type of…

Assesses the promotion and development of online information retrieval in China. Highlights include opening of the first online retrieval center at China Overseas Building Development Company Limited; establishment and activities of a cooperative network; online retrieval seminars; telecommunication lines and terminal installations; and problems…

Four artificial intelligence (AI) concepts that have relevance for information retrieval systems are discussed and applied to area of authority control in automated catalogs--pattern recognition, representation, problem solving, learning. Existing automated authority control systems are analyzed using two other AI concepts, augmentation and…

Describes a theoretically and empirically based framework for how users formulate and employ information-seeking strategies in open-ended information systems (OEISs). Discusses challenges related to OEISs. Describes OEIS theoretical and users' perspectives. Presents an example based on a recent study to illustrate use of the OEIS…

This discussion of uploading (the transmission of information from local memory to a remote system) covers benefits, disadvantages, host system features, technical aspects, and four examples of uploading using CROSSTALK. Examples include function keys, searcher assistance with commonly-used terms, the use of hedges and boiler-plate searching, and…

This report considers the effects of new technology (online search services) on user access to information; the role of libraries in providing such access; the structure of a future national information network in the United Kingdom; and general managerial considerations. Seventeen references are cited. (EJS)

The technical features and operational status of interactive information systems, i.e. those providing a conversational usage mode to a non-programer through a data terminal device, are reviewed. The review is designed to aid information specialists in the state-of-the-art assessments preparatory to a detailed system selection procedure. It…

MINDS (Multiple Intelligent Node Document Servers) is a distributed system of knowledge-based query engines for efficiently retrieving multimedia documents in an office environment of distributed workstations. By learning document distribution patterns and user interests and preferences during system usage, it customizes document retrievals for…

Provides a detailed examination of COMPULINE, British Columbia's telephone reference service designed to assist librarians, archivists, and other information professionals in their use of microcomputer hardware and software by referring them to others in the province who have relevant experience. Expenses, problems encountered, and possible…

Discusses forces at work within today's on-line data base environment which could lead to the emergence of a distributed information network; identifies several important modules in such a network, including an automated subject switching module; and reports research investigations, critical issues, and preliminary findings with regard to…

Current search engines--even the constantly surprising Google--seem unable to leap the next big barrier in search: the trillions of bytes of dynamically generated data created by individual web sites around the world, or what some researchers call the "deep web." The challenge now is not information overload, but information overlook.…