Two Linguistics Conferences in Barcelona: The 8th Workshop on the Semantics and Pragmatics of Dialogue CATALOG 2004 http://www.upf.edu/dtf/personal/enricvallduvi/catalog04/ Barcelona, July 19-21 2004 Universitat Pompeu Fabra 42nd Annual Meeting of the Association for Computational Linguistics Forum Convention Centre Barcelona July 21-26, 2004 http://www.acl2004.org/