3471 search results - page 421 / 695 » Data Stream Query Processing |
125
Voted
STOC
2001
ACM
16 years 2 months ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
114
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CIDR
2003
15 years 4 months ago
2003
Partitioning within a B-tree, based on an artificial leading key column and combined with online reorganization, can be exploited during external merge sort for accurate deep read...
205
Voted
SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
149
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TIME
2006
IEEE
15 years 8 months ago
2006
IEEE
Querying its own history is an important mechanism in the computations, especially those interacting with people or other computations such as transaction processing, electronic d...
129
Voted
SODA
2012
ACM
13 years 5 months ago
2012
ACM
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the traditional model where the...