1. Giuliani, M.V., Scopelliti, M., Fornara, F.: Elderly People at Home: Technological Help in Everyday Activities. In: Proc. of the 14th IEEE Int. Conf. on Robot and Human Interactive Communication, pp. 365–370 (2006)
2. Lecture Notes in Computer Science;B. Brumitt,2000
3. The iDorm project home page: Intelligent Inhabited Environments Group, Department of Computer Science, University of Essex, Essex University, UK (September 20, 2007), http://iieg.essex.ac.uk/idorm.htm
4. The iRoom project home page: Stanford Interactive Workspaces Project Overview (September 20, 2007), http://iwork.stanford.edu/
5. The HyperMedia studio project home page: UCLA HyperMedia Studio (September 20, 2007), http://hypermedia.ucla.edu/