1. SmartLibrary—Location-aware mobile library service;Aittola,2003
2. AMBIENCE Project — available at: http://www.extra.research.philips.com/euprojects/ambience/ (Accessed: June 30, 2006).
3. Context-aware information delivery for on-Site construction operations;Aziz,2005
4. GPS and 3DOF angular tracking for georeferenced registration of construction graphics in outdoor augmented reality;Behzadan,2006
5. Collectively defining context in a mobile, networked computing environment;Burrell,2001