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Integrating multiple and diverse abstract knowledge types in real-time embedded systems

knowledge-based SYSTEMS 1996年第7期9卷 417-434页

作者： Harrison, A Thomas, PG OPEN UNIV FAC MATH & COMPMILTON KEYNES MK7 6AABUCKSENGLAND

Designers of large-scale real-time systems are increasingly turning to knowledge-based techniques in order to solve complex problems. This paper identifies three essential needs to support the implementation of these systems: first, the need to provide a variety of knowledge-based components that can be used to model the diverse expert domains being encountered;second, the need to provide the user with the means of creating multiple independent instances of the knowledge-based components;and third, the need to provide an integrating environment in which the knowledge-based instances may be controlled. This paper uses ideas derived from the concept of abstract data types and recommends the construction of a library of diverse knowledge-based components, called abstract knowledge types, and that multiple instances of the abstract knowledge types be integrated and controlled using a blackboard architecture. A prototype component library and a blackboard have been implemented in Ada in order to take advantage of a real-time language which supports software engineering principles through a well defined and enforced standard. The use of abstract knowledge types gives a uniform software engineered approach to the development and integration of both conventional and knowledge-based components.

关键词： real-time embedded system knowledge-based techniques knowledge-based components abstract knowledge types blackboard architecture software engineering principles Ada

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