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» Hybrid tractability of valued constraint problems
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CSCLP
2004
Springer
14 years 22 days ago
Characterization of a New Restart Strategy for Randomized Backtrack Search
We propose an improved restart strategy for randomized backtrack search, and evaluate its performance by comparing to other heuristic and stochastic search techniques for solving r...
Venkata Praveen Guddeti, Berthe Y. Choueiry
IAT
2006
IEEE
14 years 1 months ago
Using Prior Knowledge to Improve Distributed Hill Climbing
The Distributed Probabilistic Protocol (DPP) is a new, approximate algorithm for solving Distributed Constraint Satisfaction Problems (DCSPs) that exploits prior knowledge to impr...
Roger Mailler
TAMC
2009
Springer
13 years 12 months ago
On the Complexity of the Multiple Stack TSP, kSTSP
Given a universal constant k, the multiple Stack Travelling Salesman Problem (kSTSP in short) consists in finding a pickup tour T1 and a delivery tour T2 of n items on two distinc...
Sophie Toulouse, Roberto Wolfler Calvo
COR
2008
99views more  COR 2008»
13 years 7 months ago
Repairing MIP infeasibility through local branching
Finding a feasible solution to a generic Mixed-Integer Program (MIP) is often a very difficult task. Recently, two heuristic approaches called Feasibility Pump and Local Branching...
Matteo Fischetti, Andrea Lodi
AI
2006
Springer
13 years 7 months ago
Complexity of constructing solutions in the core based on synergies among coalitions
Coalition formation is a key problem in automated negotiation among self-interested agents, and other multiagent applications. A coalition of agents can sometimes accomplish thing...
Vincent Conitzer, Tuomas Sandholm