Roman Kontchakov, Egor V. Kostylev. On Expressibility of Non-Monotone Operators in SPARQL. In Chitta Baral, James P. Delgrande, Frank Wolter, editors, Principles of Knowledge Representation and Reasoning: Proceedings of the Fifteenth International Conference, KR 2016, Cape Town, South Africa, April 25-29, 2016. pages 369-379, AAAI Press, 2016. [doi]
Abstract is missing.