US PATENT SUBCLASS 706 / FOR 116
.~.~.~.~ Forward or backward chaining (395/52)

Current as of: June, 1999
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706 /   HD   DATA PROCESSING: ARTIFICIAL INTELLIGENCE

FOR 100  DF  ARTIFICIAL INTELLIGENCE (395/1) {2}
FOR 102  DF  .~ Knowledge processing (395/10) {5}
FOR 114  DF  .~.~ Expert system (395/50) {3}
FOR 115  DF  .~.~.~ Deduction, control, or search techniques (395/51) {4}
FOR 116.~.~.~.~ Forward or backward chaining (395/52)

DEFINITION

Classification: 706/FOR.116

Forward or backward chaining:

Foreign art collections including an inferencing method or system using logic processing that starts with a set of known facts and applies rules to the facts until no new facts are generated or a goal is reached (i.e., forward chaining), or logic processing that starts with a goal and then finds rules

to fit the goals and then checks to see if known facts fit the found rules (i.e., backward chaining).