620 search results - page 69 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
147
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
218
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Updates over virtual XML views that wrap relational data are not well supported by XML data management systems. This paper studies the problem of whether a correct relational upda...
136
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SIGIR
2008
ACM
15 years 3 months ago
2008
ACM
We examine the effect of incorporating gaze-based attention feedback from the user on personalizing the search process. Employing eye tracking data, we keep track of document part...
138
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ICDCIT
2010
Springer
16 years 25 days ago
2010
Springer
Data delivered today over the web reflects rapid and unpredictable changes in the world around us. We are increasingly relying on content that provides dynamic, interactive, person...
140
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SMC
2010
IEEE
15 years 2 months ago
2010
IEEE
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...