4270 search results - page 576 / 854 » A Permutation Approach to Validation |
283
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VLDB
2009
ACM
16 years 6 months ago
2009
ACM
Top-k queries on large multi-attribute data sets are fundamental operations in information retrieval and ranking applications. In this article, we initiate research on the anytime ...
252
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
287
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
274
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detect...
156
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Duplicate detection is the problem of detecting different entries in a data source representing the same real-world entity. While research abounds in the realm of duplicate detect...