Retrieval of multimedia information: simulation of a proposed system

A design for an automated information retrieval system has been evolved, and a manual simulation of it tested. The main experimental aspects are: (a) adding thesaurus terms into a hierarchical classification, to accomplish more versatile search capabilities than are possible with existing 'thesaurus-only' or 'classification-only' systems; (b) specifying a computer system which could produce its own manual auxiliary retrieval package to perform a high proportion of searches without recourse to the main computer system. [Continues.]