Extracting role hierarchies from authentication data flows.

作者: Paolo Ceravolo

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摘要: Current Web-based applications use XML-based formats to represent user descriptions exchanged between parties of a distributed computation. This paper introduces some techniques for extracting frequent patterns attributes from this XML flow. Then, are used bottom-up construction role ontology, which is then passed an ontology engineer final pruning. The result built by combining top-down and approaches, supporting extraction validation knowledge about “typical” users particularly suitable fine grained access control applications.

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