1. Abaci T, Ciger J, Thalmann D. Action semantics in smart objects. In: Proceedings of the workshop towards semantic virtual environments 2005 workshop, 2005.
2. Adriano CM, Raposo AB, Ricarte ILM, Magalhaes LP. Changing interaction paradigms in annotation environments. In: EDMEDIA 2000. Montreal, Canada; 2000.
3. The timeless way of building;Alexander,1979
4. A pattern language: towns, buildings, construction;Alexander,1977
5. Badawi M, Donikian S. Autonomous agents interacting with their virtual environment through synoptic objects. In: CASA 2004, July 2004. p. 179–87.