298 search results - page 38 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
229
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GIS
2006
ACM
16 years 2 days ago
2006
ACM
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
109
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ESWS
2008
Springer
15 years 24 days ago
2008
Springer
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
171
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ICDE
2007
IEEE
16 years 12 days ago
2007
IEEE
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
EDBT
2008
ACM
15 years 11 months ago
2008
ACM
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
79
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XSYM
2004
Springer
15 years 4 months ago
2004
Springer
Due to their numerous benefits, relational systems play a major role in storing XML documents. XML also benefits relational systems by providing a means to publish legacy relatio...