In this paper, we present a novel fine-grained access control system for applications where the information flow is critical; the confidentiality of the data is essential and there...
This paper introduces a framework for processing continuous, exact queries over continuous update XML streams. Instead of eagerly performing the updates on cached portions of the s...
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
XML is becoming the standard representation format for metadata. Metadata for multimedia documents, as for instance MPEG-7, require approximate match search functionalities to be s...
Since XML tends to become the main format to exchange data over the Internet, it is necessary to define a security model to control the access to the content of these documents. S...