Scheduling and Reasoning Based on Blackboard For Expert System Development Tool ESDT-HKD

摘要

Expert system development tool ESDT-HKD is a general-purpose language for knowledge engineering. Rule plus frame plus black board is used as knowledge structure of the system. It is a perfect system implemented on personal computer. There is particular knowledge structure, and generating and running environment for users. As a tool of expert system assistant design, ESDT-HKD many original aspects such as citation of explanation framework, opened rule describing language PBRL, dynamic query of black board, maintenance of knowledge base, two-double scheduling of task and so on with which the system has the complete function. This article introduces scheduling and reasoning of ESDT-HKD system tasks during consultation in details.