Modular blackboard based expert system

Details Modular blackboard based expert system Modular blackboard based expert system

1990-11-05

1992-03-31

MacDonald, Allen R.

G06F 1518

Patent

active

051013622

ABSTRACT:
An expert system includes a blackboard, a plurality of knowledge sources, a control knowledge source and a control module. The blackboard stores data used during an execution cycle. Each knowledge source includes rules for performing selected operations in connection with the data in the blackboard. The control knowledge source includes selection rules for selecting among the knowledge sources. The control module performing an execution cycle including an eligibility determination phase to identify one or more of the knowledge sources, a knowledge source selection phase using the selection rules in said control knowledge source to select one of the identified knowledge sources, and an action phase to process a rule of the selected knowledge source.

REFERENCES:
patent: 4868763 (1989-09-01), Masui et al.
Part One, Blackboard Systems: The Blackboard Model of Problem Solving and the Evolution of Blackboard Architectures, H. Penny Nii, The Al Magazine, Summer 1986, pp. 38-53.
Part Two, Blackboard Systems: Blackboard Application Systems, Blackboard Systems from a Knowledge Engineering Perspective, H. Penny Nii, The Al Magazine, Aug. 1986, pp. 82-106.

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