316 search results - page 14 / 64 » Top-K aggregation queries over large networks |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
159
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
182
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GIS
2007
ACM
15 years 10 months ago
2007
ACM
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
124
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FAST
2011
14 years 1 months ago
2011
As file systems reach the petabytes scale, users and administrators are increasingly interested in acquiring highlevel analytical information for file management and analysis. T...
188
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...