Emile H. L. Aarts René Collier Evert van Loenen Boris E. R. de Ruyter Ambient Intelligence, First European Symposium, EUSAI 2003, Veldhoven, The Netherlands, November 3.-4, 2003, Proceedings EUSAI Lecture Notes in Computer Science 2875 Springer 2003 3-540-20418-0 db/conf/eusai/eusai2003.html