Integrating Twofold Case Retrieval and Complete Decision Replay in CLP LAN /C B C, Héctor Muñoz-Avila, PhD Thesis, Universität Kaiserslautern, 18 May 1998 Adaptation of case with Complete Decision Replay Teacher : Dr. C.S. Ho Student : L.W. Pan No. : M Date : 2/25/2000

2/25/2000Li-we Pan2 Complete Decision Replay An extension of standard replay for plan-space planners Information about failed attempts stored in the solution. To facilitate their refitting in the current situation Enable user to interact during adaptation process

2/25/2000Li-we Pan3 Standard replay vs. complete decision replay A D BC AA D C A D BC A Standard Replay Complete Decision Replay Solution(a) Solution(b) Decision Failed Decision Replayed Explanation Derivational trace

2/25/2000Li-we Pan4 Subgoal graph i.decision ii.threat Goal-1Goal-2 Protection Goal decision-1 decision-2 stop Causal link op-2 op-1 Goal Subgoal Goal-n Subgoal Goal-1 assignment decision op …

2/25/2000Li-we Pan5 Plan & its subgoal graph s1 decision-1 decision-2 s2 op-2 op-1 s2->s1 decision-3 op-4 demotion decision-4 op-3 s1 s2 s3 p q p: precondition Justification:{a1}

2/25/2000Li-we Pan6 Discussion of Complete Decision Replay Store subgoal graph, conflict sets, and justifications of the rejected decision in cases CAP LAN make a decision a consistency check has to be made to ensure that no failure will occur on the plan. CAP LAN make sure that no cycle validity of the justification reconstruction claim Ordering, Binding, Establishment failures. Overhead caused by reconstructing the justifications

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2/25/2000Li-we Pan8 needed Database case-base plan-base constraints domain rules(m) fuzzy adaptability value

2/25/2000Li-we Pan9 To case adaptation

2/25/2000Li-we Pan10 Output to User To CB