407 search results - page 57 / 82 » Query Estimation by Adaptive Sampling |
175
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
VLDB
1998
ACM
15 years 3 months ago
1998
ACM
Users often can not easily express their queries. For example, in a multimedia image by content setting, the user might want photographs with sunsets; in current systems, like QBI...
STOC
1993
ACM
15 years 3 months ago
1993
ACM
In this paper, we study the problem of learning in the presence of classification noise in the probabilistic learning model of Valiant and its variants. In order to identify the cl...
125
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WMASH
2004
ACM
15 years 5 months ago
2004
ACM
With the wide spread growth of mobile computing devices and local area wireless networks, wireless network providers have started to target the users with value-added services bas...
188
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SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
The skyline of a d-dimensional dataset consists of all points not dominated by others. The incorporation of the skyline operator into practical database systems necessitates an ef...