1. S. Abiteboul, L. Herr, and J. Van den Bussche. Temporal connectives versus explicit timestamps in temporal query languages. Technical report, INRIA, 1995. in preparation.
2. S. Abiteboul, R. Hull, and V. Vianu. Foundations of Databases. Addison- Wesley; 1994.
3. S. Abiteboul and E. Simon. Fundamental properties of deterministic and nondeterministic extensions of Datalog. Theoretical Computer Science, 78: 137–158, 1991.
4. S. Abiteboul and V. Vianu. Generic computation and its complexity. In Proceedings 23rd ACM Symposium on Theory of Computing, pages 209–219, 1991.
5. A. Casanova and A. Furtado. On the description of database transition constraints using temporal constraints. In H. Gallaire, J. Minker, and J.-M. Nicolas, editors, Advances in Data Base Theory, pages 211–236. Plenum Press, 1984.