In order to discover the potential user-access patterns in Web usage records,this paper presented an approach for domain relation learning from events in log ontologies based on hierarchy association rules.

PIP trust relationship based on RKI;

Automated Esablishment of Trust Relationship on Grid;

On trust relationship between entrepreneur and professional manager in family business;

The Foundation Stone of Legitimacy——Structure the trusting relationship between government and citizen;

A novel trust-QoS enhanced heuristic based on trust relationship is put forward.

The realization of the cooperative governance depends not only on the psychological scope of trust relation but also on the systematic scope of platform construction.

Our country is being placed in a social transformation period, because the relational trust in tradition society is subjected to breakage, the normal system haven t completely build up, the social trust appears a crisis.