@INPROCEEDINGS{COG8848086, author={C. {Piette} and É. {Piette} and M. {Stephenson} and D. J. N. J. {Soemers} and C. {Browne}}, booktitle={2019 IEEE Conference on Games (CoG)}, title={Ludii and XCSP: Playing and Solving Logic Puzzles}, year={2019}, volume={}, number={}, pages={1-4}, keywords={computational complexity;computer games;constraint handling;optimisation;single-player games;logic puzzles;Ludii general game system;XCSP formalism;NP-complete;CSP solver;Games;Optimization;Artificial intelligence;Containers;Java;Lenses;Knowledge Representation;Constraint Programming;General Game AI.}, doi={10.1109/CIG.2019.8848086}, ISSN={2325-4270}, month={Aug},}