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171
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CCS
2007
ACM
16 years 29 days ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
186
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CCS
2007
ACM
16 years 29 days ago
2007
ACM
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
199
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CIE
2007
Springer
16 years 29 days ago
2007
Springer
In the framework of parameterized complexity, exploring how one parameter affects the complexity of a different parameterized (or unparameterized problem) is of general interest....
182
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CIKM
2007
Springer
16 years 29 days ago
2007
Springer
XML query languages typically allow the specification of structural patterns of elements. Finding the occurrences of such patterns in an XML tree is the key operation in XML quer...
200
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CIKM
2007
Springer
16 years 29 days ago
2007
Springer
Recently, due to its wide applications, subgraph search has attracted a lot of attention from database and data mining community. Sub-graph search is defined as follows: given a ...