Semiring-based constraint satisfaction and optimization
Journal of the ACM (JACM)
Exploiting Interchangeabilities for Case Adaptation
ICCBR '01 Proceedings of the 4th International Conference on Case-Based Reasoning: Case-Based Reasoning Research and Development
Interchangeability in Soft CSPs
CP '02 Proceedings of the 8th International Conference on Principles and Practice of Constraint Programming
Interchangeability with thresholds and degradation factors for Soft CSPs
Annals of Mathematics and Artificial Intelligence
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Most work in constraint satisfaction has concentrated on computing a solution to a given problem. In practice, it often happens that an existing solution needs to be modified to satisfy additional criteria or changes in the problem. For example, a schedule or plan might have to be adjusted when a resource is missing. The concept of interchangeability characterizes the possibilities for making local changes to CSP solutions.