407 search results - page 29 / 82 » Query Estimation by Adaptive Sampling |
112
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SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
126
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DPD
2010
14 years 9 months ago
2010
Abstract Bloom filters are extensively used in distributed applications, especially in distributed databases and distributed information systems, to reduce network requirements and...
118
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EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
ICML
2006
IEEE
16 years 18 days ago
2006
IEEE
Many of today's best classification results are obtained by combining the responses of a set of base classifiers to produce an answer for the query. This paper explores a nov...
SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...