We analyze a mechanism that provides strong incentives for the submission of truthful feedback in virtual communities where services are exchanged on a peer-to-peer basis. Lying pe...
In this paper we present the experiences of usage of Viras, a collaborative virtual environment for social awareness support in educational settings. Collaborative Virtual environ...
A new genetic algorithm to detect communities in social networks is presented. The algorithm uses a fitness function able to identify groups of nodes in the network having dense ...
Measurement Lab (M-Lab) is an open, distributed server platform for researchers to deploy active Internet measurement tools. The goal of M-Lab is to advance network research and e...
Constantine Dovrolis, P. Krishna Gummadi, Aleksand...
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...