Survey on privacy preserving for intelligent business recommendation in cloud

Abstract

Security is a key issue for intelligent business recommendation service in cloud computing environment. This paper analyzed the access control strategy and cryptography theory in cloud environment, preserving model for reasoning privacy in outsourcing situation, protection method for location privacy, and trajectory privacy. It was concluded that the following are active topics, such as concept of privacy in information field, access control strategy for across domain cloud servers, privacy preserving method for user’s access pattern.