Abstract
Spatial display, especially dynamic spatial display, may help the symbiosis between human intuition and computer logic. An interactive spatial information system (ISIS) can be designed to support this symbiosis. It can act as a decision support system both by aiding the user to discover options as well as by assisting in their evaluation. An ISIS should be able to perform intelligent operations on its data, detecting inconsistencies between new and old information, assisting in the evaluation of plans, and so forth. DCIEM has developed a miniature ISIS called SDBMS-1, using an extension of a commercial relational database management system. It allows the user to interact by keyboard, voice, or graphic gesture, and provides output alphanumerically or graphically. The information consists of topographic data from digitized standard maps and synthetic tactical data representing military operations. SDBMS-1 has been implemented using MASCOT technology, to permit easy modification as a consequence of experience. Development of an improved ISIS requires analysis of the nature of the human-computer dialogue and the potential contribution of artificial intelligence. Ideas on “intelligent dialogue”, and better methods for browsing are explored in the context of ISIS.
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