MLUPS definition

J. J. Alferes, J. A. Leite, L. M. Pereira, H. Przymusinska and T. C. Przymusinski. A language for multi-dimensional updates. In J. Dix, J. A. Leite and K. Satoh (eds.), Proceedings of the 3rd International Workshop on Computational Logic in Multi-Agent Systems, (CLIMA'02), pages 19-34, no. 93 of Datalogiske Skrifter (Writings on Computer Science), Roskilde University, Denmark, 2002. Also in the Electronic Notes in Theoretical Computer Science 70(5), 2002