3225 search results - page 534 / 645 » Query Optimization by Stored Queries |
136
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EDBT
2009
ACM
15 years 8 months ago
2009
ACM
Traditional bitmap indexes are utilized as a special type of primary or clustered indexes where the queries are answered by performing fast logical operations supported by hardwar...
131
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VLDB
2001
ACM
15 years 8 months ago
2001
ACM
We propose an novel method of computing and storing DataCubes. Our idea is to use Bayesian Networks, which can generate approximate counts for any query combination of attribute v...
154
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CIKM
1998
Springer
15 years 8 months ago
1998
Springer
An important investigation of time series involves searching for \movement" patterns, such as \going up" or \going down" or some combinations of them. Movement patt...
152
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ESORICS
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. Online advertising has been suffering serious click fraud problem. Fraudulent publishers can generate false clicks using malicious scripts embedded in their web pages. Ev...
112
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DCOSS
2006
Springer
15 years 7 months ago
2006
Springer
In a sensor network information from multiple nodes must usually be aggregated in order to accomplish a certain task. A natural way to view this information gathering is in terms o...