1038 search results - page 121 / 208 » Space-Bounded Query Approximation |
146
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
157
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SDM
2009
SIAM
16 years 1 months ago
2009
SIAM
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
142
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ISAAC
2004
Springer
15 years 9 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
153
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SSDBM
2003
IEEE
15 years 9 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
158
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CIDM
2007
IEEE
15 years 8 months ago
2007
IEEE
Recently the academic communities have paid more attention to the queries and mining on uncertain data. In the tasks such as clustering or nearest-neighbor queries, expected distan...