Gebser, M., Kaufmann, B., Romero, J., Otero, R., Schaub, T. and Wanko, P. (2013) “Domain-Specific Heuristics in Answer Set Programming”, Proceedings of the AAAI Conference on Artificial Intelligence, 27(1), pp. 350-356. doi: 10.1609/aaai.v27i1.8585.