In "Information and Computation", Volume 117, Number 2, March 1995, pages 157--192.
In G. Gottlob and M. Vardi, editors, "Database Theory -- ICDT'95, 5th International Conference, Prague, Czech Republic, January 1995, Proceedings", pages 322-- 337, Lecture Notes in Computer Science Volume 893, Springer-Verlag, 1995.
In R. Snodgrass, editor, "Proceedings of the International Workshop on an Infrastructure for Temporal Databases", Arlington, Texas, pages D1--D10, June 1993.
In A.U. Tansel et. al, editors, "Temporal Databases. Theory, Design, and Implementation", Chapter 13, pages 294--320, Benjamin/Cummings, 1993.
In Luis Farinas del Cerro and Martti Penttonen, editors, "Intensional Logics for Programming", Oxford Science Publicatons, Oxford University Press, pages 51--83, 1993.
In "Proceedings of the Tenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems", Denver, Colorado, pages 280--290, May 1991.
In the "Journal of Logic Programming", Volume 14, Numbers 1&2, 1992.
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