]> PML2 trust ontology The trust part of PML2 ontology. It is a fundamental component of PML2 ontology. version 2.0, Authors: Deborah L. McGuinness, Honglei Zeng, Li Ding, Paulo Pinheiro da Silva, Alyssa Glass, and Cynthia Chang Belief The abstract trust concept that associate from an agent to a piece of information. The belief relation shows an agents belief status on the specified information. The specific belief status (e.g. believes, disbelieves, ignorant) and corresponding value metrics are defined in the decendents of this class. 1 1 believedBy the agent that hold the belief assertion. believedIn the information being believed in. Trust The abstract trust concept that associate from an agent to a source. The trust relation summarizes an agent's overall believes about information from the specified source. The specific trust metrics are defined in the decendents of this class. 1 1 trustor the agent that hold the trust relation with the trustee. trustee the information source that is trusted in providing information. float metric A specific valuation metric that is defined on [0,1] as float number. 0 means fully negative point, 0.5 means nutral point, and 1 means fully positive point. 1 value The value of the metric, and We may consider better datatype in future. Float Belief An agent's overall belief on a piece of information quantified by a float value between 0 and 1. Float trust An agent's overall trust on an information source quantified by a float value between 0 and 1.