651 search results - page 94 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
ICDT
2011
ACM
13 years 14 days ago
2011
ACM
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
BDA
2007
13 years 10 months ago
2007
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffi...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
Given a user-specified minimum correlation threshold and a market basket database with N items and T transactions, an all-strong-pairs correlation query finds all item pairs with...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Spreadsheets are among the most commonly used applications for data management and analysis. Perhaps they are even among the most widely used computer applications of all kinds. H...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
Compressed bitmap indexes are increasingly used for efficiently querying very large and complex databases. The Word Aligned Hybrid (WAH) bitmap compression scheme is commonly rec...