Deductive and Object-Oriented Databases 5th International Conference, DOOD'97, Montreux, Switzerland, December 8-12, 1997. Proceedings - Bry, Francois; Bry, Francois; Ramakrishnan, Raghu; Ramakrishnan, Raghu; Ramamohanarao, Kotagiri; Ramamohanarao, Kotagiri (Springer Berlin Heidelberg : Imprint: Springer, 1997)