The technique for machine-aided indexing developed at the Defense Documentation Center (DDC) is illustrated on a randomly chosen abstract. Additional text is provided in coded form so that the reader can more fully explore this technique. (2 references) (Author)

Describes a procedure for using commonly available database management systems to produce indexes on microcomputers. Production steps discussed include creation of the database, data entry, database sort, formatting, and editing. (Author/MBR)

A new technique, known as discrimination value analysis, ranks the text words in accordance with how well they are able to discriminate the documents of a collection from each other. (Author/PF)

Describes an alternative method for indexing images in an image database. The method consists of manually indexing a selected reference image, and then using retrieval by graphical content to automatically transfer the manually assigned index terms from the reference image to the images to be indexed. (AEF)

This examination of abstracting-indexing services for the field of history focuses on Historical Abstracts (HA) and America--History and Life (AHL), and their relationship to the American Bibliographical Center's Subject Profile Index (ABC-SPIndex). The history, scope, selection criteria, and classification arrangements of the two databases are…

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…

This is the fifth 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. NAL desires ultimately to develop techniques of interacting with other data bases so that queries put to NAL may be answered with documents or document…

In order to compare effects of input processing on information retrieval in three databases, 25 articles from a specific journal were examined. Tables and Venn diagrams show retrieval results from different manual and computer searches. The relation between document surrogates and subject matter of the documents is discussed. (SW)

Proposes a structure for natural language descriptions of the semantic content of visual materials that requires descriptions to be (modified) keywords, phrases, or simple sentences, with components that are grammatical relations common to many languages. This structure makes it easy to implement a collection's descriptions as a relational…

As established within the framework of the UNISIST world science information system, the International Serials Data System (ISDS) is an international network of operational national and regional centers, jointly responsible for the creation and maintenance of computer based data banks, which contain essential information for the identification of…

CAIN is the computer cataloging and indexing system of the National Agricultural Library, a collection of information on agriculture and its related technologies. In this report is described the structure of the CAIN system and the various uses of the CAIN data bases. (WH)

The aims of the first phase of the Statistics Indexing and Retrieval (STIR) Project have been: (1) to define the types and sources of statistics which should be within the scope of an operational indexing system for statistical sources; (2) to analyze the use made of statistical sources; and (3) to consider the intellectual, structural, and…

This manual, intended for the librarian or information specialist beginning with online systems, introduces the National Agricultural Library's (NAL) Cataloging and Indexing System (CAIN) and presents the search techniques required for retrieving information on agriculture and its many related fields. The manual, which concentrates on the online…

This document is the last of a series of eight reports of a project undertaken to (1) investigate the ways in which the National Agricultural Library (NAL) could utilize existing bibliographic data bases, (2) define the problems associated with efficient utulization of these data bases, and (3) develop approaches to solving these problems by…

This paper presents a detailed analysis of the content and format of seven machine-readable bibliographic data bases: Chemical Abstracts Service Condensates, Chemical and Biological Activities, and Polymer Science and Technology, Biosciences Information Service's BA Previews including Biological Abstracts and BioResearch Index, Institute for…