Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
Dimitris Papadias, Yufei Tao, Jun Zhang, Nikos Mam...
Abstract. We present a concept called ‘ubiquitous attentiveness’: Context information concerning the user and his environment is aggregated, exchanged and constitutes triggers ...
Herma Van Kranenburg, Alfons H. Salden, Henk Eerti...
We present a mobile phone based augmented reality (AR) assembly system that enable users to view complex models on their mobile phones. It is based on a client-server architecture...
Mika Hakkarainen, Charles Woodward, Mark Billinghu...
A sonar-ring is one of the most popular sensors for indoor mobile robots, because it is simple and gives omni-directional distance information directly. However, it is dicult to m...
An ever-growing infrastructure, including existing and newly built power plants, as well as a rising environmental awareness in society call for inspection and maintenance systems...