What is Trust? e Trust is fundamental in transactions interactions . and communications of human life Psychologically, trust is defined as a kind of subjective behavior Sociologically, trust is a means for reducing the complexity of society 4 Mathematically, trust has been studied as a measurable variable, especially as a probability value o Trust is also related to cooperation, recommendation and reputation 11 May 29, 2009 CSE CUHK11 May 29, 2009 CSE CUHK What is Trust? ◆ Trust is fundamental in transactions, interactions, and communications of human life. ◆ Psychologically, trust is defined as a kind of subjective behavior. ◆ Sociologically, trust is a means for reducing the complexity of society. ◆ Mathematically, trust has been studied as a measurable variable, especially as a probability value. ◆ Trust is also related to cooperation, recommendation, and reputation