We study the robustness of reputation management systems against distortions in rating behavior. In a laboratory trust … experiment with reputation management, we mimic a positive bias by exclusively offering the option to rate positively or to give …. This highlights the importance of negative ratings for the effectiveness of reputation systems. …

Online reputation is a strategic aspect of lodgings' image and commercialization. Websites containing tourism reviews … to establish the rating of the online reputation balance, so that lodgings can determine the level of coherence of their … around a similar value that defines a coherent and real online reputation. The indicator proposed is tested on lodgings of …