2007

Calì, Andrea (2007) Querying incomplete data with logic programs: ER strikes back. In: Parent, C. and Schewe, K.D. and Storey, V.C. and Thalheim, B. (eds.) Conceptual Modeling: ER 2007. Lecture Notes in Computer Science 4801. Springer, pp. 245-260. ISBN 9783540755623.

Artale, A. and Calvanese, D. and Kontchakov, Roman and Ryzhikov, Vladislav and Zakharyaschev, M. (2007) Reasoning over extended ER models. In: Parent, C. and Schewe, K.-D. and Storey, V.S. and Thalheim, B. (eds.) Conceptual Modeling, ER 2007: 26th International Conference on Conceptual Modeling. Lecture Notes in Computer Science 4801. Springer, pp. 277-292. ISBN 9783540755623.