Substantial alterations to a system often have little or no effect on particular collections. This may be due to poor separation of relevant and non-relevant documents. The paper presents a procedure for characterizing this separation, which can show whether proposed modifications of the base system are likely to be useful. (8 references)…

Retrieval performance with automatic term classifications for three test collections has been variable. This paper attempts to discover why. The real difference between the collections is in the separation of relevant from non-relevant documents. The separation is so poor that classification cannot be expected to succeed. (14 references)…

SOLAR is an interactive Storage and On-Line Automatic Retrieval system which is operational at Washington State University. It can run continuously with virtually any mix of tasks in a general purpose computing environment. (22 references) (Author)

A storage and retrieval system for chemical structures, using optical coincidence, is in use at Schering Corp. The system rapidly provides the research laboratories with structural information at any generic level. The design, maintenance, costs, and applications are discussed. (4 references) (Author)

Author states that information and communications technology offer students an opportunity for a better learning situation and considers developments taking place in both fields. (Author/RK)

Applying to air quality data, procedures are presented for site characterization, method identification, data validation, and data summarization that are being established by the Environmental Protection Agency for the National Aerometric Data Bank. Topics review screening criteria, atypical results (data outliers), data accuracy and precision,…

As an introduction to two Unesco studies, this article stresses the fact that efficient archives and records management are vital to public administration, particularly in developing countries. (1 reference) (Author/SJ)

Research supported in part by a Public Health Service Grant to the New School of Social Research and a National Science Foundation Grant to Stanford University. (VM)

"The purpose of this paper is to bring to computer professionals a realistic view of what a large library is and what the jobs and costs are which a librarian must worry about. Written by the director of libraries at MIT. (Author/LS)