This thesaurus presents the specialized terminology and air pollution indexing terms used for the storage of, and search for, information in the Air Pollution Technical Information Center (APTIC) data base file, and illustrates the rules formulated for their use. The meanings of the terms are implied rather than defined, being implicit in the…

This three-part report includes a brief history of the Defense Documentation Center (DDC) with a description of the collections and their accessibility; categorization of automatic indexing into three kinds with a brief description of the DDC system of machine-aided indexing; and an indication of some operational experiences with the system.…

This examination of numeric data base activities grew out of a continuing effort to develop a system of statistical indicators of scientific and technical communication. A broad mix of directories, listing by subject field, reports, mail inquiries and telephone and face-to-face interviews was used to collect information. Scientific and technical…

This is a progress report on a project attempting to design a system of compacting text for storage appropriate to disc oriented demand searching. After noting a number of previously designed methods of compression, it offers a tentative solution which couples a dictionary of most frequent character-strings with a set of variable-length codes. The…

In this volume are summaries of some 30 talks presented at the workshop. Topics covered include Civil Service Commission standards for classification of librarians and library technicians, data bases, library administration, legal and legislative materials, and user education. A list of participants with addresses and phone numbers if appended.…

The computer language FOL is intended to facilitate the implementation of file organizations for information storage and retrieval systems. In many information storage and retrieval applications the designer, initially, does not know how best to organize a data base for efficient retrieval and ease of updating and modifying. It is felt that FOL…

The results of a survey of commercially available tape services which can provide libraries and information centers with data bases of scientific and technical literature are reported. During the past few years there has been an increasing number of tape services entering the information resources market. Each of these services makes available to…

The introduction, part I, is composed of three sections: (1) Social Prospects of Information Utilities, (2) The Emerging Technology of Information Utilities and (3) Information Utilities and Mass Communication. Part II covers social direction under the following headings: (1) The Regulatory Context of Information Utilities: Varieties in Law and…

A hypothetical model is given for a National Serials Data System based on the best educated guesses of what the system should do and how, therefore, it should function. The model focuses attention on the ultimate goal rather than on the decision-making processes relating to choice of data elements, unique identification codes, etc. This conceptual…

This is the second 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 two parts. The first part defines the basic interaction alternatives and subalternatives open to the NAL with respect to its interfacing…

Sixth 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, this report deals with the query language, search strategy and related considerations for a particular information storage and retrieval system. One section of the…

The history, purpose, and operation of six computer-based information networks are described in general and nontechnical terms. In the introduction the many definitions of an information network are explored. Ohio College Library Center's network (OCLC) is the first example. OCLC began in 1963, and since early 1973 has been extending its services…

Today, with development of computerized data banks, there is an increased quantity of stored information that has relevance to problems far beyond the scope of the original study for which the data were developed. The purpose of this paper is to highlight some of the major data available and their sources. It is hoped that by describing some of…

The purpose of PUNCT2-CW is to test the feasibility and practicality of a data base system of computer-assisted instruction in English. To save time and to provide comparison, this course was based on the objectives, format and logic of an earlier course, PUNCT. The present data base is a sentence pool composed of certain sentence patterns called…

A description of Data Base, the computerized data processing system used by De Paul University, is provided. Some background information on the school's data processing experiences and its decision to adopt Data Base are first presented, followed by a brief review of the Data Base software selected for use by the University. Fuller details are…