Browsing by Author "Liu, Brandon"
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Better than PageRank: Hitting Time as a Reputation Mechanism
Liu, Brandon (2014-08-08)In online multi-agent systems, reputation systems are needed to distinguish between trustworthy agents and potentially malicious or unreliable agents. A good reputation system should be accurate, resistant to strategic ... -
Personalized Hitting Time for Informative Trust Mechanisms Despite Sybils
Liu, Brandon; Parkes, David C.; Seuken, Sven (ACM, 2016)Informative and scalable trust mechanisms that are robust to manipulation by strategic agents are a critical component of multi-agent systems. While the global hitting time mechanism (GHT) introduced by Hopcroft and Sheldon ...