The use of Collaborative Virtual Geographic Environments (CVGE) is one of the most promising uses of virtual reality in geographic field. Data collaboration can support multi-direc...
This paper studies the logic of a dyadic modal operator for being obliged to meet a condition ρ before a condition δ becomes true. Starting from basic intuitions we arrive at a s...
Jan Broersen, Frank Dignum, Virginia Dignum, John-...
Tagging systems such as del.icio.us and Diigo have become important ways for users to organize information gathered from the Web. However, despite their popularity among early ado...
Lichan Hong, Ed Huai-hsin Chi, Raluca Budiu, Peter...
In the early days a policy was a set of simple rules with a clear intuitive motivation that could be formalised to good effect. However the world is becoming much more complex. S...
Yow Tzu Lim, Pau-Chen Cheng, Pankaj Rohatgi, John ...
Power distribution and signal transmission are becoming key limiters for chip performance in nanometer era. These issues can be simultaneously addressed by designing transmission ...
J. Balachandran, Steven Brebels, G. Carchon, T. We...