Toyo Communication Equipment Co., Ltd.

Sasaki & Associates Inc.

Hiroshi Ichise

Akio Sasaki

Tomoyuki Minamiyama

Siryo Yasui

Ichiro Ando

Shoichi Maki

In a production system in which a plurality of production rules are partitioned into a plurality of clusters for processing to effect cluster control, control expression elements, each describing an instruction for specifying a cluster to be invoked next for execution or an instruction for other flow control, are arranged in the order of execution to provide a control expression part separate from the clusters for processing. An instruction for a return to the control expression part is described in an action part of an appropriate production rule in a cluster, in place of the cluster specifying instruction, so that sequential invocation of clusters can be performed following the instructions described in the control expression part, thereby making it unnecessary to give a description for specifying the name of a cluster to be invoked next for execution in the action part of each production rule.

Rule-based production system adapted for complex procedures flow

Rule based production system adapted for complex procedural flow

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Kanagawa, Japan

Hiroshi Ichise