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The advent of emerging computing technologies such as service-oriented architecture and cloud computing has enabled one to perform business services more efficiently and effectively. However, the authors still suffer from unintended security leakages by unauthorized actions in business services. Moreover, designing and managing different types of policies collaboratively in such a computing environment are critical but often error prone due to the complex nature of policies as well as the lack of effective analysis mechanisms and corresponding tools. In particular, existing mechanisms and tools for policy management adopt different approaches for different types of policies.
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