The report contains five papers dealing with some problems of a general classification scheme covering the whole field of knowledge which were presented at a conference held in London, June 1963. Topics covered included retrieval schemes, classification problems, inadequacies of existing classification schemes and the proposal of the…

Continuing technological advances in computers and communications make possible the integration of data systems and the exchange of data among them on an expanding scale. However, the full effect of these advances cannot be realized unless the need for uniform understanding of the common information (data elements) and their expression in data…