Table 1. Qualitative comparison of context aware systems.

	Websign	Rememberer	UbiqMuseum	News	Semantic	Multi-modal	UbiqBioparc
Native application	NO	NO	YES	YES	NO	NO	YES
3G	NO	NO	NO	YES	NO	NO	YES
Multimedia	NO	YES	YES	YES	NO	YES	YES
Smart Phones	YES	YES	YES	YES	YES	YES	YES
Infrarred	YES	YES	NO	NO	NO	NO	NO
RFID	YES	YES	NO	NO	YES	NO	NO
Bluetooth	NO	NO	YES	NO	NO	NO	NO
GPS	YES	NO	NO	NO	NO	YES	YES
Compass	YES	NO	NO	NO	NO	NO	YES
Track presence	YES	YES	YES	NO	YES	YES	YES
Augmented reality	YES	NO	NO	NO	NO	NO	YES
Knowledge based info	NO	NO	YES	NO	YES	NO	YES
Multi languajes	NO	NO	YES	YES	NO	NO	YES
User profile	YES	YES	YES	YES	YES	NO	YES
GUI adapted	YES	YES	YES	YES	YES	YES	YES
Keep track of objects	YES	YES	YES	NO	YES	YES	YES
Multi-modal interfaces	NO	NO	NO	NO	YES	YES	NO
Maps support	NO	NO	NO	NO	NO	YES	YES
Search and location	NO	NO	NO	NO	YES	NO	YES
Local/Remote modes	NO	NO	NO	YES	NO	NO	YES