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171
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FGCN
2008
IEEE
16 years 1 months ago
2008
IEEE
This paper proposes a novel secure query processing model for semantic sensor networks. A semantic sensor network (SSN) is a sensor network which includes semantics of sensory dat...
182
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IEEEARES
2008
IEEE
16 years 1 months ago
2008
IEEE
As more and more information becomes accessible via on-line databases, more public services can be provided and more complex queries involving several registers become feasible as...
201
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SDMW
2007
Springer
16 years 27 days ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
150
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TIME
2005
IEEE
16 years 10 days ago
2005
IEEE
— We provide a novel trace semantics for positive core XPath that exposes all intermediate nodes visited by the query engine. This enables a detailed analysis of all information ...
197
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SDMW
2005
Springer
16 years 8 days ago
2005
Springer
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...