ProtoTrust: An Environment for Improved Trust Management in Internet Auctions

Trust beyond reputation : novel trust mechanisms for distributed environments

“…To create stereotypes, inexperienced buyer may use other buyers' past transactions (i.e., community 3 knowledge). We rely on ProtoTrust [138] to crawl the auction sites to obtain other buyers' local knowledge.…”

“…We propose a stereotyping based approach to estimate trustworthiness of a potential transaction where the seller is unknown to the buyer, i.e., the buyer has no or little historical information of this seller to study. Our approach builds upon some recent advances: (1) previously proposed StereoTrust and MetaTrust, which utilizes metainformation based stereotypes to estimate trust of a seller whose past behavior is not available, and (2) a web browser plug-in called ProtoTrust [138] In our approach, a buyer estimates trust of the potential transaction, which is conducted by an unknown seller by combining corresponding stereotypes. A stereotype is determined by attributes, which can be taken from the profiles of the sellers.…”