Martin Modahl, Bikash Agarwalla, Gregory D. Abowd, Umakishore Ramachandran, T. Scott Saponas. Toward a standard ubiquitous computing framework. In Paddy Nixon, Fabio Kon, editors, Proceedings of the 2nd Workshop on Middleware for Pervasive and Ad-hoc Computing, Toronto, Ontario, Canada, October 18-22, 2004. pages 135-139, ACM, 2004. [doi]