Journal of Documentation

Category:

Library and Information Studies

Table Of Contents: Volume 30 Issue 4

FOUNDATION OF EVALUATION

C.J. VAN RIJSBERGEN

The mathematical theory of measurement is used to construct a framework for the evaluation of information retrieval strategies. The model arrived at is based on precision…

THE DISTRIBUTION OF INDEXING DEPTH IN DOCUMENTATION SYSTEMS

P.R. BIRD

Most documentation systems allocate a variable number of descriptors to their documents. From a consideration of indexing as a stochastic process it is suggested that the…

AUTOMATIC INDEXING

KAREN SPARCK JONES

This article reviews the state of the art in automatic indexing, that is, automatic techniques for analysing and characterising documents, for manipulating their…

THE ANOMALOUS BEHAVIOUR OF PRECISION IN THE SWETS MODEL, AND ITS RESOLUTION

ABRAHAM BOOKSTEIN

M. H. Heine has shown that if one follows the retrieval procedure associated with Swets' model of an information retrieval system it is possible that the inverse…

HOW MUCH ‘EXPLICIT RELATIONS’ DO RETRIEVAL SYSTEMS USE?

Cranfield II's findings on the unexpectedly low retrieval performance of thesauri (rank order 19 among 33 index languages) led Cleverdon to conclude that ‘there are…

ISSN:

0022-0418

Online date, start – end:

1945

Copyright Holder:

Emerald Publishing Limited

Open access:

hybrid

Editor:

  • Prof David Bawden