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Experiments and analysis on a computer interface to an information-retrieval network

Investigations have been continued and concluded on the concept of a virtual-system mode of access to a network of heterogeneous interactive retrieval systems and databases. An experimental translating computer interface, named CONIT, that enables the virtual-system mode, was developed as a research test vehicle. The interface was designed to make the basic functions of three different bibliographic retrieval systems easy to use, even by inexperienced end users, by providing a simplified common-command language coupled with extensive online instruction. Analysis of controlled experiments with end users indicates the probable success of operational interfaces using the virtual-system principle and other techniques demonstrated in the experimental interface. The research has also suggested that certain techniques implementable on an interface could enhance retrieval effectiveness for a wide class of users by aiding users in the development of search strategies.