1263 search results - page 150 / 253 » A Scalable Algorithm for Answering Queries Using Views |
209
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
110
Voted
SIGCOMM
2009
ACM
15 years 10 months ago
2009
ACM
To search the web quickly, search engines partition the web index over many machines, and consult every partition when answering a query. To increase throughput, replicas are adde...
133
Voted
COMPGEOM
2006
ACM
15 years 9 months ago
2006
ACM
This paper examines the computation of the Voronoi diagram of a set of ellipses in the Euclidean plane. We propose the first complete algorithms, under the exact computation para...
137
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ECIR
2007
Springer
15 years 4 months ago
2007
Springer
An expert finding is a very common task among enterprise search activities, while its usual retrieval performance is far from the quality of the Web search. Query modeling helps t...
126
Voted
ICDT
2010
ACM
16 years 23 days ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...