Francesco Tarquini, Giorgio De Felice, Paolo Fogliaroni, Eliseo Clementini. A Qualitative Model for Visibility Relations. In Joachim Hertzberg, Michael Beetz, Roman Englert, editors, KI 2007: Advances in Artificial Intelligence, 30th Annual German Conference on AI, KI 2007, Osnabrück, Germany, September 10-13, 2007, Proceedings. Volume 4667 of Lecture Notes in Computer Science, pages 510-513, Springer, 2007. [doi]
Abstract is missing.