[BC4] Montanari A., Peron A. Policriti A.,"The Way to Go: Multi-Level Temporal Logics". In J. Gerbrandy, M. Marx, M. de Rijke, and Y. Venema (Eds.) Liber Amicorum for the Fiftieth Birthday of Johan van Benthem, ILLC, June 1999 (short version of [W16]).


[BC3] D'Agostino G., Montanari A., Policriti A.,"Modal Logic and Set Theory: a Set-Theoretic Interpretation of Modal Logic". In J. Gerbrandy, M. Marx, M. de Rijke, and Y. Venema (Eds.) Liber Amicorum for the Fiftieth Birthday of Johan van Benthem, ILLC, June 1999.


[E3] Montanari A., Policriti A., Venema Y. (eds.), Special issue on Temporal Logic in Logic and Computer Science, Logic Journal of the IGPL, Vol.7, no.1, Oxford University Press, January 1999, Editorial pp. 5-6.


[C27] Franceschet M., Montanari A., "Pairing Transitive Closure and Reduction to Efficiently Reason about Partially Ordered Events". Proceedings of AI*IA'99: Sesto Congresso della Associazione Italiana per l'Intelligenza Artificiale, E. Lamma e P. Mello (Eds.), Pitagora Editrice Bologna, September 1999, pp.208-217.


[C26] Combi C., Foresti G., Franceschet M., Montanari A., "Indexing by Shape of Image Databases Based on Extended Grid Files". Proceedings of IEEE Multimedia Systems '99: 6th International Conference on Multimedia Computing and Systems (Volume 2), Firenze, Italia, IEEE Computer Society Press, June 1999, pp. 230-234


[J16] Cervesato I., Montanari A., "A General Modal Framework for the Event Calculus and its Skeptical and Credolous Variants". Journal of Logic Programming, vol. 38, no. 2, February 1999, pp. 111-164.


[J15] Montanari A., Peron A. Policriti A.,   Theories of Omega-Layered Metric Temporal Structures: Expressiveness and Decidability. The Logic Journal of IGPL, vol. 7, no. 1, January 1999, pp. 79-102.


[W19] Franceschet M., Montanari A., "Pairing Transitive Closure and Reduction to Efficiently Reason about Partially Ordered Events". Proceedings of NRAC'99: 3rd Workshop on Nonmonotonic Reasoning, Action and Change at IJCAI'99, M. Thielscher (Ed.), August 1999, pp. 79-86 (preliminary version of [C27]).


[W18] Montanari A., Peron A., Policriti A., "The Taming (Timing) of the States". Proceedings of WoLLIC'99: 6th International Workshop on Logic, Language, Information and Computation, Itatiaia, Brasil, maggio 1999, pp. 151-161 (preliminary version of [J19]).


[W17] Franceschet M., Montanari A., "A graph-theoretic approach to efficiently reasoning about partially ordered events in the Event Calculus". Proceedings of TIME'99: 6th International Workshop on Temporal Representation and Reasoning, C. Dixon and M. Fisher (Eds.), IEEE Computer Society Press, May 1999, pp. 55-66.


[W16] Montanari A., Peron A., Policriti A., "The Way to Go: Multi-Level Temporal Logics". Proceedings of IWTS'99: 1st International Workshop on Specification and Verification of Timed Systems, N. Yonezaki (Ed.), Kyoto Research Institute of Mathematical Science, March 1999.