923 search results - page 38 / 185 » On the Computation of Relational View Complements |
CCS
2010
ACM
15 years 6 months ago
2010
ACM
Despite a plethora of recent research regarding trust management approaches to authorization, relatively little attention has been given to exactly how these technologies can be e...
LICS
2007
IEEE
15 years 6 months ago
2007
IEEE
We introduce symmetric Datalog, a syntactic restriction of linear Datalog and show that its expressive power is exactly that of restricted symmetric monotone Krom SNP. The deep re...
104
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ADL
1998
Springer
15 years 4 months ago
1998
Springer
ct In this paper, we describe the VesaliusTM Project, a multi-modal collection of anatomical resourcesunder development at Columbia University. 1 Our focus is on the need for navig...
105
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PLDI
1995
ACM
15 years 3 months ago
1995
ACM
The control dependence relation is used extensively in restructuring compilers. This relation is usually represented using the control dependence graph; unfortunately, the size of...
123
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EDBT
2012
ACM
13 years 2 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...