Kumar, M., S. Kolb, C. Gautrais, and L. De Raedt. “Democratizing Constraint Satisfaction Problems through Machine Learning”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 18, May 2021, pp. 16057-9, https://ojs.aaai.org/index.php/AAAI/article/view/18011.