The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...
Abstract. Determining physical location of indoor objects is one of the key issues in ubiquitous computing. Although there are many proposals to provide physical location tracking,...
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
In this work we present a measurement study of user mobility in Second Life. We first discuss different techniques to collect user traces and then focus on results obtained using ...
This paper presents two empirical investigations of future applications of mobile spatial interaction, i.e. the use of mobile phones as pointers to the real world. In situated int...