Robert Ganian, Eun Jung Kim, Friedrich Slivovsky, Stefan Szeider. Sum-of-Products with Default Values: Algorithms and Complexity Results. Proceedings of ICTAI 2018, the 30th IEEE International Conference on Tools with Artificial Intelligence (Lefteri H. Tsoukalas, Éric Grégoire, Miltiadis Alamaniotis, eds.), pages 733–737, 2018, IEEE.