2724 search results - page 502 / 545 » Optimizing Queries on Files |
SIGMOD
2001
ACM
15 years 12 months ago
2001
ACM
This paper describes the methodology and implementation of a data management system for highly distributed systems, which was built to solve the scalability and reliability proble...
118
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PODS
2003
ACM
15 years 12 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
Abstract-- Failures of any type are common in current datacenters. As data scales up, its availability becomes more complex, while different availability levels per application or ...
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 ...
105
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Publication
Nearest neighbor (NN) classification assumes locally constant class conditional probabilities, and suffers from bias in high dimensions with a small sample set. In this paper, we p...