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Solving distributed asymmetric constraint satisfaction problems using an evolutionary society of hill-climbers. (English)
CantĂș-Paz, Erick (ed.) et al., Genetic and evolutionary computation - GECCO 2003. Genetic and evolutionary computation conference, Chicago, IL, USA, July 12-16, 2003. Proceedings, Part I. Berlin: Springer. Lect. Notes Comput. Sci. 2723, 561-572 (2003).
Summary: The distributed constraint satisfaction problem (DisCSP) can be viewed as a 4-tuple $(X, D, C, A)$, where $X$ is a set of $n$ variables, $D$ is a set of $n$ domains (one domain for each of the $n$ variables), $C$ is a set of constraints that constrain the values that can be assigned to the $n$ variables, and A is a set of agents for which the variables and constraints are distributed. The objective in solving a DisCSP is to allow the agents in A to develop a consistent distributed solution by means of message passing. In this paper, we present an evolutionary society of hill-climbers (ESoHC) that outperforms a previously developed algorithm for solving randomly generated DisCSPs that are composed of asymmetric constraints on a test suite of 2,800 distributed asymmetric constraint satisfaction problems.
Classification: I.2.6 I.2.8
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