Abstract
Automated manufacturing requires sharing of data among control, sensory and administrative processes. Since these processes are invariably distributed over many different computer systems, we claim that a distributed data system is necessary. Unlike most extant data systems, a manufacturing enterprise requires support for: diverse computer systems, data systems and databases; real-lime data access; and integration of new systems into a running complex. This paper briefly discusses these issues and describes a prototype implementation of a distributed data system that addresses them.

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