J4 ›› 2011, Vol. 46 ›› Issue (5): 39-43.

• Articles • Previous Articles     Next Articles

A  privacy protection method based on a trust and information flow model

GAO Feng1, HE Jing-sha2   

  1. 1. College of Computer Science and Technology, Beijing University of Technology,  Beijing  100124, China;
     2. School of Software Engineering, Beijing University of Technology, Beijing  100124, China
  • Received:2010-12-06 Published:2011-05-25

Abstract:

The existing trust based on privacy protection methods simply map the trust rank to privacy sensitive grade which cannot express the dynamic and contextdepend characteristic of trust and privacy information. In order to solve this problem,  an information flow model based on trust is  proposed, and the model is reasonable and secure by analysis. Using this new model and also by controlling the access granularity of privacy information, a privacy protection method is  proposed  which can use trust to protect privacy effectively and safely.

Key words:  trust; information flow model; ontology; privacy protection; access control granularity

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