From: David Tian <D.Tian_at_...14...>

Date: Sat, 22 Mar 2008 22:17:28 +0000

Date: Sat, 22 Mar 2008 22:17:28 +0000

Hi, My problem is a data mining problem (a discretization problem) and I modelled it as a constraint satisfaction optimization problem (CSOP) and implemented the CSOP using the ic library of ECLiPSe. For different instances of problems, the CSP consists of different total number of constraints. However, when the number of constraints increases, the time to impose them goes increases rapidly. To impose 28552 constraints, it takes 261.70 seconds. There can be large problems with more constraints than this problem, this makes my CSOP inefficient. I imposed all the constraints one by one using a loop. I am wondering if there is another way to impose the constraints in ECLiPSe to speed up the constraint imposing time. For your interest, my paper describing the problem and CSOP is at: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4295437 many thanks and regards, DavidReceived on Sat Mar 22 2008 - 22:17:33 CET

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