Trust management is a critical component in P2P file sharing systems due to the free riding and security problem. In this paper, we propose a lightweight reputation management sys...
Lintao Liu, Shu Zhang, Kyung Dong Ryu, Partha Dasg...
— A novel structure of training symbol is proposed for orthogonal frequency division multiplexing (OFDM) systems. With the proposed training symbol, which has repeated sample blo...
Peer-to-peer complementary currencies can be powerful tools for promoting exchanges and building sustainable relationships among selfish peers on the Internet. i-WAT[10] is a prop...
A Time Action Lock is a state of a Real-time system at which neither time can progress nor an action can occur. Time Action Locks are often seen as signs of errors in the model or ...
This paper describes SHAD, a novel architecture for security in pervasive computing environments, and a prototype implementation. SHAD is a Peer-to-Peer and humancentered security...
Enrique Soriano, Francisco J. Ballesteros, Gorka G...