Phokion G. Kolaitis. Languages for Polynomial-Time Queries - An Ongoing Quest. In Georg Gottlob, Moshe Y. Vardi, editors, Database Theory - ICDT 95, 5th International Conference, Prague, Czech Republic, January 11-13, 1995, Proceedings. Volume 893 of Lecture Notes in Computer Science, pages 38-39, Springer, 1995. [doi]
Abstract is missing.