@MISC\{IMM2006-05050, author = "M. Brinkl{\o}v and R. Sharp", title = "Trustsim - A Simulator for Trust Relationships in Grid Systems", year = "2006", month = "feb", keywords = "grid computing; trust; distributed systems", publisher = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}", address = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby", url = "http://www2.compute.dtu.dk/pubdb/pubs/5050-full.html", abstract = "This report describes the use of Trustsim for simulation of trust- and reputation-based phenomena in small or large scale distributed systems. The trust mechanisms which can be simulated are incremental, in the sense that good behaviour is rewarded by a higher degree of trust and bad behaviour by a lower degree of trust. The program is easily extendable to allow investigation of various mechanisms which can depend on trust." }