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Common Sense A-V

Common Sense A-V. Debugging the creation of an explosive backchainer. Rules in Cyc. 28,900 of basic form (implies x y) 172 RuleMacroPredicates which translate into above form 48,500 RMP instances == 77,000 rules. Term Ordering Problem.

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Common Sense A-V

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  1. Common Sense A-V Debugging the creation of an explosive backchainer

  2. Rules in Cyc • 28,900 of basic form (implies x y) • 172 RuleMacroPredicates which translate into above form • 48,500 RMP instances • == 77,000 rules

  3. Term Ordering Problem (implies (and (greaterThan (Meter 100) ?DIST) (greaterThan ?DIST (Meter 0)) (cpof-ReportUnit ?CURRENT_REPORT ?CURRENT_UNIT) (different ?CURRENT_REPORT ?OTHER_REPORT) (mtTime ?CURRENT_REPORT ?CURRENT_MT_TIME) (equals ?CURRENT_MT_TIME ?OTHER_MT_TIME) (mtTime ?OTHER_REPORT ?OTHER_MT_TIME) (cpof-ReportUnit ?OTHER_REPORT ?OTHER_UNIT) (different ?CURRENT_UNIT ?OTHER_UNIT) (distanceBetween ?CURRENT_POINT ?OTHER_POINT ?DIST) (ist-Asserted ?CURRENT_REPORT (locatedAtPoint-SurfaceGeographical ?CURRENT_UNIT ?CURRENT_POINT)) (ist-Asserted ?OTHER_REPORT (locatedAtPoint-SurfaceGeographical ?OTHER_UNIT ?OTHER_POINT))) (cpof-CloseUnits ?CURRENT_REPORT ?CURRENT_UNIT ?OTHER_REPORT ?OTHER_UNIT)) • 11 Clauses in antecedent of above rule • 11! == 40 million possible term orderings

  4. Rule Indexing • Full set on 3rd day of execution • Started new, limited <8 terms in antecedent today • 5000 potential orderings per rule • 3rd option: revamp indexing strategy

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