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JaCoP - Java Constraint Programming solver
JaCoP 4.0.0.RC1 on Github PDF Print E-mail
Written by Radoslaw Szymanek   
Friday, 16 August 2013 09:02

Dear all, 

We decided to move the source code for the newest version of JaCoP (4.0.0.RC1) to Github. We are happy users of Git and Github is an obvious choice. Feel free to clone JaCoP repository - https://github.com/radsz/jacop and contribute. The changes within the newest JaCoP 4.0.0.RC1 are published here.

best regards,

JaCoP core developer team 

Last Updated on Monday, 02 December 2013 18:27
 
AMPL Driver for JaCoP PDF Print E-mail
Written by Radoslaw Szymanek   
Friday, 16 August 2013 09:02

Dear all, 

We are happy to announce that Victor Zverovich from AMPL has created a driver that allows to use JaCoP from AMPL. As most AMPL drivers, the jacop driver is open source. This driver is available from the AMPL repository on GitHub: https://github.com/vitaut/ampl/tree/master/solvers/jacop .

Feel free to check this driver and contribute in any manner possible. It is said to be fairly complete and implementing all of the AMPL constraint programming extensions and a set of options.

We would like to thank Victor and AMPL for their work.

best regards,

JaCoP core developer team 

 
JaCoP Consultancy PDF Print E-mail
Written by Radoslaw Szymanek   
Saturday, 18 September 2010 08:59

Dear users,

We are getting more and more emails asking for help. We do help by writing back to you but we would like to encourage you to submit your questions/suggestions to Help forum available on SourceForge. Hopefully we will create a vibrant community of users helping each other giving us more time to work on improving JaCoP.

We also are happy to provide paid consultancy to our industrial users. If you need help of CP experts in your projects to make sure that you efficiently and quickly can get JaCoP/CP applied then feel free to contact us [ radoslaw dot szymanek at gmail dot com ]. The paying customers will have a priority in getting required features implemented so our product will be more and more usable for you. 

best regards,

Radoslaw Szymanek

Last Updated on Monday, 16 April 2012 18:14
 
JaCoP version 3.2 released PDF Print E-mail
Written by Krzysztof Kuchcinski   
Monday, 16 April 2012 07:25

Dear users,

We have just released JaCoP 3.2. This is a release that fixes few bugs as well as provides an interface from Scala to JaCoP. Examples using Scala are provided in ExamplesScala package.

Hakan Kjellrstand at his blog discusses Scala wrapper for JaCoP as well as provides additional examples at his repository of Scala examples

best regards,

Core Developer Team

Last Updated on Monday, 16 April 2012 18:32
 
SAT, Stochastic CP, Minizinc Challenge 2011 PDF Print E-mail
Written by Radoslaw Szymanek   
Monday, 30 January 2012 00:00

Dear all,

We are working hard in our free time. There are multiple aspects that are being currently on our agenda. First, SAT solver that cooperates internally with JaCoP so constraints can send explanation to SAT solver. Second, we are polishing a stochastic subpackage within a JaCoP so it possible to model problems with stochastic variables specified only by their distribution and without user control of their value. SAT solver is the result of the project done by Simon Cruanes, and the first version of Stochastic subpackage was the result of the work of another student Sreenivas Kartik Buddha. We would like to thank them for their help in developing JaCoP. 

We forgot to mention that JaCoP was again awarded a silver price in the fixed category among the elligible solvers for the awards in the Minizinc Challenge 2011.

We would like to thank Peter Stuckey and his team for all their work in running an interesting competition. It is gratifying to see that our focus on global constraints and modeling expressiveness is paying off. We hope that for the next year competition we will have even more problems with global constraints like network flow constraint, knapsack constraint, and geost constraint which have not been used yet in this year solver competition.

If anybody would like to have access to the upcoming version of JaCoP containing SAT and Stochastic package please contact me for details at ( radoslaw dot szymanek at gmail dot com ).

best regards,

Radoslaw Szymanek and Krzysztof Kuchcinski

 

Last Updated on Sunday, 29 January 2012 11:53
 
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