Journal of Documentation: Volume 27 Issue 4

A SINGLE COMPUTER‐BASED SYSTEM FOR BOTH CURRENT AWARENESS AND RETROSPECTIVE SEARCH: OPERATING EXPERIENCE WITH ASSASSIN

C.R. CLOUGH, K.M. BRAMWELL

ASSASSIN as designed and operated by ICI Agricultural Division, provides from, a single paper tape input a current awareness service by SDI and a retrospective search both by a…

A PROBABILISTIC SEARCH STRATEGY FORMEDLARS

WILLIAM L. MILLER

One technique for searching a Co‐ordinate Index is to compare each reference with a Boolean expression of index terms. This divides the file into retrieved and not‐retrieved…

THE STRUCTURE OF THE EURATOM‐THESAURUS

EUGENIU TOMA

An analysis of the rank‐frequency distribution of the EURATOM‐thesaurus was carried out. Zipf's law (a hyperbolic function) was not found to be suitable for this distribution, and…

MEASURING READERS' FAILURE AT THE SHELF

JOHN A. URQUHART, J.L. SCHOFIELD

This paper is concerned with the availability of books known to be held by the Library. It outlines a simple survey method whereby readers record the non‐availability of books…

THE USE OF CITATION COUNTING TO IDENTIFY RESEARCH TRENDS

HARRY ROTHMAN, MICHAEL WOODHEAD

The paper describes the analysis and application of manpower statistics to identify some long‐term international research trends in economic entomology and pest control. Movements…

PROGRESS IN DOCUMENTATION: MICROGRAPHICS

BERNARD J.S. WILLIAMS

When some future reviewer looks back over the history of microform systems and techniques (henceforth the emergent term ‘micrographics’ will be used in place of this ponderous…