265 search results - page 32 / 53 » Logical Queries over Views: Decidability and Expressiveness |
171
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. The Ambient Logic (AL) has been proposed for expressing properties of process mobility in the calculus of Mobile Ambients (MA), and as a basis for query languages on semi...
166
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SSDBM
2009
IEEE
16 years 1 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
185
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ICLP
2005
Springer
16 years 4 days ago
2005
Springer
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
163
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ATAL
2008
Springer
15 years 8 months ago
2008
Springer
A database view is a dynamic virtual table composed of the result set of a query, often executed over different underlying databases. The view maintenance problem concerns how a v...
185
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SACMAT
2005
ACM
16 years 5 days ago
2005
ACM
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...