27756 search results - page 71 / 5552 » Process Query Systems |
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
103
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
105
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ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
Images and videos can be indexed by multiple features at different levels, such as color, texture, motion, and text annotation. Organizing this information into a system so that u...
DOLAP
2009
ACM
15 years 4 months ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
164
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SYRCODIS
2008
14 years 11 months ago
2008
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...