Mobile optical communications has so far largely been limited to short ranges of about ten meters, since the highly directional nature of optical transmissions would require costl...
Ashwin Ashok, Marco Gruteser, Narayan Mandayam, Ja...
While many systems are available for audio-visual people collaboration and data collaboration, systems for collaboration on physical objects are few. In this paper, we present Web...
Information about dynamic spatial fields, such as temperature, windspeed, or the concentration of gas pollutant in the air, is important for many environmental applications. At th...
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...