In the previous paper in ICAT2002, we reported that a non-grounded palm-top torque display "GyroCube" was developed. Although it requires no grounding base for supportin...
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...
Users have been demanding information “anytime, anywhere”. The notion of accessing diverse and autonomous information repositories with different APIs is not accepted. This ha...
In many ubiquitous computing (ubicomp) applications, such as smart classrooms, hospitals, construction sites, stadiums, shopping malls, emergency services, law enforcement, conven...
Emerging ubiquitous and pervasive computing applications often need to know where things are physically located. To meet this need, many locationsensing systems have been develope...