Spyros Voulgaris Maarten van Steen Konrad Iwanicki Proactive gossip-based management of semantic overlay networks. 2299-2311 2007 19 Concurrency and Computation: Practice and Experience 17 http://dx.doi.org/10.1002/cpe.1225 db/journals/concurrency/concurrency19.html#VoulgarisSI07