Journal of Documentation: Volume 29 Issue 3

A TEST FOR THE SEPARATION OF RELEVANT AND NON‐RELEVANT DOCUMENTS IN EXPERIMENTAL RETRIEVAL COLLECTIONS

C.J. VAN RIJSBERGEN, K. SPARCK JONES

Many retrieval experiments are intended to discover ways of improving performance, taking the results obtained with some particular technique as a baseline. The fact that…

A COST SURVEY OF MECHANIZED INFORMATION SYSTEMS

P.H. VICKERS

In the course of the survey covered by this paper, cost data were collected by visiting eighteen operational computer‐based systems in Europe and the U.S.A., using a structured…

SCIENTISTS, INFORMATION TRANSFER AND LITERATURE CHARACTERISTICS

R.T. BOTTLE

Information transfer among scientists can be regarded as analoguous to a complex rate process highly dependent on the characteristics of the information forms. A general model is…

RETRIEVAL CHARACTERISTICS OF THE INDEX TO METALS ABSTRACTS

J. FARRADANE, PENELOPE A. YATES‐MERCER

A small‐scale test of Metals abstracts index, with ten profiles and five sections of the abstracts as data base, was carried out with a methodology which endeavoured to simulate…

MEASURING THE GOODNESS OF LIBRARY SERVICES: A GENERAL FRAMEWORK FOR CONSIDERING QUANTITATIVE MEASURES

R.H. ORR

The literature of the last few decades reflects a steadily increasing concern with quantitative assessment of libraries and their services. This concern is both the result of, and…