A simulation study of library-based information retrieval systems is described. Basic models for each of several important aspects are presented: (1) user behavior, emphasizing response to quality and delays in services; (2) the scheduling of services and the organization of the machine-readable files; and (3) the distribution of conventional…

A project definition study was conducted for the development, implementation and operation of a National Traffic Safety Documentation Center. Included in this final comprehensive report are: (1) the results of nationwide surveys of users and sources of traffic safety information; (2) a review of relevant information technology in terms of the…

This is the fourth 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 describes the general functional and software requirements of an NAL system using external sources of bibliographic data. Various system design…

The first interactive (on-line) computerized use of the ERIC files by the U.S. Office of Education is reported in the form of an evaluation of the DIALOG system conducted at the ERIC Clearinghouse for Educational Media and Technology. Descriptions of the purposes of the study, of the DIALOG system (developed by Lockheed Missiles and Space Co.),…

The purpose of this document is to present a final description of the original MEDLARS system as it evolved through four years of operation. The system is described as it was functioning on January 1, 1968. Among the various system elements discussed are: (1) the input subsystem, including journal selection and coverage, Medical Subject Headings…

This paper presents a new multivariate index for use in educational planning. This new index, is called a propinquity index. An individual's propinquity index with respect to a given occupational group is his geometric distance in n-dimensional space from the group centroid, where each dimension is the standard score on one of the original…

Beginning January 1, 1969, Systems Research Group (SRG) undertook a project to develop operational cost simulation models of three of the colleges of applied arts and technology in Ontario. These models, and the data needed to feed them, have been developed and are now operating. SRG describes their progress to date and identifies the remaining…

The purpose of this article is to describe a system for protecting the anonymity of subjects in longitudinal research and for maintaining the security of data files. The basic system comes from the American Council on Education Cooperative Institutional Research Program. Data is collected from questionnaires, and converted to magnetic tape.…

The scope of a manual-automated system serving the 40 libraries and the teaching and research community of Stanford University is defined. Also defined are the library operations to be supported and the bibliographic information storage and retrieval capabilities to be provided in the system. Two major projects have been working jointly on library…

The paper deals with one method of organizing the storage unit of a descriptor IPS (information retrieval system) of the SPOD type, the information array of which constitutes the totality of uniform documents with ordered disposition of data within each of them. Three categories of data composing the retrieval form of document were defined…

After three years of preparation, the Project Intrex research team has begun to subject parts of its augmented catalog system to interactions with users who were interested in the substance of the stored information and uncontaminated by prior association with the Intrex research effort. The experiences with users to date, as well as progress made…

This 24-page booklet is the third component in a set of instructional materials related to the purposes, organization, and uses of ERIC (Educational Resources Information Center). The booklet is designed to instruct the reader in ways of using the comprehensive ERIC indexing system in the search for information or materials relevant to his needs.…

The October 1973 in-service session held in Atlanta, Georgia was the first of two in-service sessions held as a follow-up to the Summer 1973 Information Management Training Institute held in Nashville, Tennessee in June 1973. The purpose of the in-service sessions was to ascertain the progress made as a result of the summer programs by the various…

A year-by-year sketch of the development and implementation of the dial access system for instructional support and enrichment at Oral Roberts University is presented. After this, the learning systems and facilities which utilize the electronic educational media are described. Two organization charts of the university are given. (WH)

A description is provided of the structure, contents, and potential uses of a National Storehouse of Educational Materials Successes. The Storehouse is depicted as being a collection of evidence relating to what works in education. Details are presented on its contents, its expected users, the functions it could serve, and its operational and…