Large Virtual Worlds (VWs) are increasingly common in the computer graphics areas of simulation, games, geospatial or scientific visualisation. In such VWs, simulated motion of th...
In the last few years, the University of Aveiro, Portugal, has been offering several distance learning courses over the Web, using e-learning platforms. Experience showed that dif...
This paper introduces a new concept of information that can exist in a mobile environment with no fixed infrastructure and centralized servers, which we call the Hovering Informati...
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
Goce Trajcevski, Hui Ding, Peter Scheuermann, Isab...