511 search results - page 86 / 103 » Approximate Selection Queries over Imprecise Data |
PODS
2010
ACM
15 years 4 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
104
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IPMI
2001
Springer
16 years 16 days ago
2001
Springer
In this paper we propose a novel approach to feature enhancement to enhance the quality of noisy images. Our approach is based on a phase-based feature detection algorithm, followe...
130
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DAWAK
2007
Springer
15 years 5 months ago
2007
Springer
Several business applications such as marketing basket analysis, clickstream analysis, fraud detection and churning migration analysis demand gradient data analysis. By employing g...
112
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CIKM
2007
Springer
15 years 5 months ago
2007
Springer
Opinion retrieval is a document retrieval process, which requires documents to be retrieved and ranked according to their opinions about a query topic. A relevant document must sa...
102
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SODA
2010
ACM
15 years 9 months ago
2010
ACM
We give an O(n lg n)-time algorithm for counting the number of inversions in a permutation on n elements. This improves a long-standing previous bound of O(n lg n/ lg lg n) that ...