Enhancement Schemes for Constraint Processing¶
Dechter, R. (1990). Enhancement Schemes for Constraint Processing: Backjumping, Learning, and Cutset Decomposition. Artificial Intelligence, 41(3), 273-312.
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Primes¶
- Backtracking
- It enables conflict-directed backjumping: rather than reversing only the most recent decision, a sophisticated search can analyse which earlier decision was actually responsible for the failure and jump back to it, the same move as blame-aware error recovery in software or the recognition in a post-mortem that the root cause was several decisions ago.
This sourceIntroduces conflict-directed backjumping and constraint learning that leap to the decision actually responsible for a failure.
- It enables conflict-directed backjumping: rather than reversing only the most recent decision, a sophisticated search can analyse which earlier decision was actually responsible for the failure and jump back to it, the same move as blame-aware error recovery in software or the recognition in a post-mortem that the root cause was several decisions ago.
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