2546 search results - page 91 / 510 » Managing long-running queries |
169
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CIKM
2006
Springer
15 years 10 months ago
2006
Springer
We present a hierarchical tree structure for online maintenance of time-decaying synopses over streaming data. We exemplify such an amnesic behavior over streams of locations take...
258
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
163
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CIKM
2007
Springer
16 years 17 days ago
2007
Springer
Queries issued by casual users or specialists exploring a data set often point us to important subsets of the data, be it clusters, outliers or other features of particular import...
171
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CIKM
2005
Springer
15 years 12 months ago
2005
Springer
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...
185
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SIGIR
2010
ACM
15 years 10 months ago
2010
ACM
Sponsored search is one of the major sources of revenue for search engines on the World Wide Web. It has been observed that while showing ads for every query maximizes shortterm r...