627 search results - page 48 / 126 » Efficient Top-k Query Evaluation on Probabilistic Data |
181
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CNL
2009
15 years 7 months ago
2009
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....
154
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
This paper presents a set of algorithms for efficiently evaluating join queries over static data tables in sensor networks. We describe and evaluate three algorithms that take adv...
298
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ICDE
2009
IEEE
16 years 7 months ago
2009
IEEE
Abstract-- Privacy protection is a major concern when microdata needs to be released for ad hoc analyses. This has led to a lot of recent research in privacy goals and table anonym...
166
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
194
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DEXAW
2007
IEEE
15 years 10 months ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...