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EnglishTrust is a widespread mechanism to establish and conduct successful social collaborations, expecially in today's Internet, where people perform more and more activities on-line, from social networking to e-learning, e-commerce and others. Several algorithms are available for trust assessment, such as the well-known EigenTrust to PowerTrust, GossipTrust, TrustWebRank to cite some. An evaluation of such algorithms must take into account several factors, e.g. performances, scalability and robustness against malicious attacks, which plays a key role in ensuring algorithm's effectiveness. In this paper we study the effects of malicious peers on the EigenTrust algorithm, focusing on the (mis)behaviour of its pre-trusted peers, using a proper simulator to conduct several experiments under different conditions. Results show that EigenTrust effectiveness may be significantly affected by inactive and/or malicious pre-trusted peers
The Effects of Pre-trusted Peers Misbehaviour on EigenTrust / Carchiolo V.; Longheu A.; Malgeri M.; Mangioni G.. - 446(2013), pp. 187-187. ((Intervento presentato al convegno 6th International Symposium on Intelligent Distributed Computing tenutosi a Calabria, Italy, nel September 2012.
| Titolo: | The Effects of Pre-trusted Peers Misbehaviour on EigenTrust |
| Autori interni: | |
| Data di pubblicazione: | 2013 |
| Rivista: | |
| Citazione: | The Effects of Pre-trusted Peers Misbehaviour on EigenTrust / Carchiolo V.; Longheu A.; Malgeri M.; Mangioni G.. - 446(2013), pp. 187-187. ((Intervento presentato al convegno 6th International Symposium on Intelligent Distributed Computing tenutosi a Calabria, Italy, nel September 2012. |
| Handle: | http://hdl.handle.net/20.500.11769/75432 |
| ISBN: | 978-364232523-6 |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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