A brief look at a technology to integrate media and objectives by cataloging and retrieving materials by computer. (Author/HB)

Criteria for selection of data bases and data base services such as searching features, logical capacity, document delivery, output format and medium, and costs are examined. (Author)

A basic tutorial on the telecommunications equipment usable for long-distance on-line information retrieval is presented. (Author)

Highlights the differences in patent laws in different countries to illustrate the importance of searching foreign patents, indicates how patent searches should be tackled and what assistance is available from patent offices, searching organizations and commercial patent documentation services, and considers the probable effect of the Europatent…

Surveys the most recent developments in the complete revision or reform of the Universal Decimal Classification. (Author/PF)

Presents a model information retrieval system for the case when a hierarchic set of descriptors is defined. (Author/PF)

A selected list of computerized search services for areas related to the behavioral sciences is presented. (Author)

The two abstracting and indexing services are compared in regard to difference in time lag by place of publication for papers published in periodicals. (Author/PF)

Variety-generator approach seeks to reflect the microstructure of data elements in their description for storage and search, and takes advantage of the consistency of statistical characteristics of data elements in homogeneous data bases. (Author)

Swets' theory of information retrieval allows the threads of document weighting formulae, probabilistic measures of effectiveness, and management theory, to be woven into a coherent pattern. Benefits are: the beginnings of a quantitative description of retrieval languages; destinction between retrieval systems and language; and question generality…

A survey of the data bases used in satisfying some of the information requests received by the Bell Laboratories literature searching service revealed that 58 information sources were used 305 times and that 4 major sources accounted for 155 (51 percent) of the uses. (Author/JB)

The proposed Index takes into account the interdependencies between the measured variables and the relative value placed on these variables by the system evaluator. (Author/JB)