298 search results - page 12 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
EDBT
2004
ACM
15 years 11 months ago
2004
ACM
Given the current trend towards application interoperability and XML-based data integration, there is an increasing need for XML interfaces to relational database management system...
104
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ICDE
2009
IEEE
14 years 8 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
105
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SIGMOD
2011
ACM
14 years 1 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
98
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CORR
2011
Springer
14 years 2 months ago
2011
Springer
Abstract. We consider the setting of ontological database access, where an Abox is given in form of a relational database D and where a Boolean conjunctive query q has to be evalua...
ICDT
2005
ACM
15 years 4 months ago
2005
ACM
We consider the problem of retrieving consistent answers over databases that might be inconsistent with respect to some given integrity constraints. In particular, we concentrate o...