This project would not have been possible twenty years ago. At
that time the first steps were being taken to introduce the
computer into library and information retrieval processes. At
first, manual operations were mechanized. Then came new thought,
and methods of fulfilling the old functions in ways more suited
to the computer were devised. The most difficult of these old
functions has always been the provision of subject access to
A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.
Loughborough University of Technology (research studentship). Great Britain, Department of Education and Science (Information Science Research Fellowship).