Franz Pühretmair, Hildegard Rumetshofer, Erwin Schaumlechner. Extended Decision Making in Tourism Information Systems. In Kurt Bauknecht, A. Min Tjoa, Gerald Quirchmayr, editors, E-Commerce and Web Technologies, Third International Conference, EC-Web 2002, Aix-en-Provence, France, September 2-6, 2002, Proceedings. Volume 2455 of Lecture Notes in Computer Science, pages 57-66, Springer, 2002. [doi]