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Adding laziness in BnB-ADOPT+

AuthorsLee, Jimmy; Meseguer, Pedro ; Su, Wen
Experimental evidence
Small variations
Distributed constraint optimizations
Cost changes
Constrained optimization
Arc consistency
Issue Date2015
PublisherKluwer Academic Publishers
CitationConstraints 20: 274-282 (2015)
AbstractIn distributed constraint optimization, agents executing BnB-ADOPT+ react eagerly to cost changes: they send non-redundant COST messages to their parents as soon as they receive new messages. We have observed that a lazier reaction (not sending COST messages until a condition is met) substantially decrements the number of messages sent and causes only a small variation in ENCCCs. This approach combines nicely with soft arc consistency maintenance during search. We provide experimental evidence of the benefits of this approach on several benchmarks.
Publisher version (URL)http://doi.org/10.1007/s10601-014-9177-3
Identifiersissn: 1383-7133
Appears in Collections:(IIIA) Artículos
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