105 search results - page 3 / 21 » Optimal importance sampling for the approximation of integra... |
DMSN
2004
ACM
14 years 23 days ago
2004
ACM
Recent work in sensor databases has focused extensively on distributed query problems, notably distributed computation of aggregates. Existing methods for computing aggregates bro...
DASFAA
2009
IEEE
14 years 2 months ago
2009
IEEE
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...
ALGORITHMICA
2008
13 years 7 months ago
2008
We consider the problem of approximately integrating a Lipschitz function f (with a known Lipschitz constant) over an interval. The goal is to achieve an error of at most using as...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
SIGMOD
2006
ACM
14 years 1 months ago
2006
ACM
Although approximate query processing is a prominent way to cope with the requirements of data analysis applications, current database systems do not provide integrated and compre...