Improve peer cooperation using social networks
Due to the dynamic nature of peer-to-peer (P2P) systems, it is impossible to keep an accurate history of the transactions that take place while avoiding security attacks such as whitewashing and collusion, and abuse such as freeriding. This is why it is ...
Concurrent number cruncher: a GPU implementation of a general sparse linear solver
A wide class of numerical methods needs to solve a linear system, where the matrix pattern of non-zero coefficients can be arbitrary. These problems can greatly benefit from highly multithreaded computational power and large memory bandwidth available ...
Extracting and predicting the communication behaviour of parallel applications
This paper presents a model to extract and predict the communication behaviour of parallel applications. The behaviour was extracted by introducing system calls in the Linux kernel to obtain the communication information about application tasks. The ...
Distributed architectures for electronic cash schemes: a survey
The volume of E-commerce transactions has considerably increased in the last several years. One of the most important aspects of such progress is the efforts made to develop and deploy dependable and secure payment infrastructures. Among these ...