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blackboard system


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An architecture for building problem-solving systems. A series of separate processes, i.e. expert systems, databases, or other sources of expertise in the application domain, communicate through a central global database known as the blackboard. Partial solutions are built up on the blackboard, which effectively coordinates the problem-solving process. A blackboard system has the characteristics of parallel, incremental, opportunistic operation. An agenda mechanism is frequently used as the main control mechanism to schedule the flow of activity in the system.

Subjects: Computing.


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