Book chapters

• José Saias and Paulo Quaresma, A methodology to create legal ontologies in a logic programming information retrieval system, in: R. Benjamins, P. Casanovas, A. Gangemi and B. Selic (eds), Law and the Semantic Web, Lecture Notes in Computer Science LNCS 3369, Springer, Pag. 185-200, 2005.
• José Júlio Alferes and Wolfgang May, Evolution and Reactivity for the Web, in: Norbert Eisinger and Jan Maluszynski (eds), Reasoning Web, Lecture Notes in Artificial Intelligence, Springer, Vol. 3564, Pag. 134-172, 2005.
• Reinhard Kahle, Unendlichkeit, in: W. Spohn, P. Schroeder-Heister and E. Olsson (eds), Logik in der Philosophie, Philosophische Impulse, Synchron, Vol. 6, Pag. 337-348, 2005.