Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...
Nonnegative Matrix Factorization (NMF) is a dimension reduction method that has been widely used for various tasks including text mining, pattern analysis, clustering, and cancer ...
Simulation is a low cost alternative to experimentation on real-world physical systems. Grid technology enables coordinated use of and secure access to distributed computing resou...
Xinjun Chen, Wentong Cai, Stephen John Turner, Yon...
The nearly three dozen core technologies of computing sit in a simple framework defined by great principles and by computing practices. The great principles are of two kinds, mech...
As software engineering efforts move to more complex, distributed environments, coordinating the activities of people and tools becomes very important. While groupware systems add...