792 search results - page 43 / 159 » Computing Iceberg Queries Efficiently |
IPPS
2006
IEEE
15 years 3 months ago
2006
IEEE
P2P Networks are highly dynamic structures since their nodes – peer users keep joining and leaving continuously. In the paper, we study the effects of network change rates on qu...
103
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CRYPTO
2008
Springer
14 years 11 months ago
2008
Springer
The goal of a statistical database is to provide statistics about a population while simultaneously protecting the privacy of the individual records in the database. The tension be...
103
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SIGMOD
2010
ACM
14 years 4 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
DASFAA
2004
IEEE
15 years 1 months ago
2004
IEEE
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
177
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
A k-NN query finds the k nearest-neighbors of a given point from a point database. When it is sufficient to measure object distance using the Euclidian distance, the key to effici...