Trust Mediation for Distributed Information Systems

摘要: Distributed information systems are increasing in prevalence and complexity as we see an increase the number of both consumers providers. Applications often need to integrate from several different Current approaches for securing this process integration do not scale well handle complex trust relationships between consumer applications Trust mediation is a technique introduce address problem by incorporating model representing into framework retrieving distributed system. Our uses type system which data source labeled with based on qualities itself or source(s) providing data. With develop algorithms perform static analysis queries infer how result query can be trusted. We describe enhanced using inference that enables mediator govern flow match intended policies large systems, even when may originate many heterogeneous sources.