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As Data Stream Management Systems (DSMSs) become more and more popular, there is an increasing need to protect such systems from adversaries. In this paper the authors present an approach to secure DSMSs. They propose a general security framework and an access control model to secure DSMSs. The authors implement their framework into an existing data stream management system and show that their approach not only works, by protecting the system from major security threats, but also has little impact on the overall system performance.
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