242 search results - page 25 / 49 » Approximate substring selectivity estimation |
SIGIR
1999
ACM
13 years 11 months ago
1999
ACM
Abstract We compare the performance of two database selection algorithms reported in the literature. Their performance is compared using a common testbed designed specifically for ...
WSC
2004
13 years 8 months ago
2004
We consider the problem of optimal allocation of computing budget to maximize the probability of correct selection in the ordinal optimization setting. This problem has been studi...
TIFS
2008
13 years 7 months ago
2008
This paper presents a method for detection of double JPEG compression and a maximum likelihood estimator of the primary quality factor. These methods are essential for construction...
SIGMOD
1994
ACM
13 years 11 months ago
1994
ACM
We describe an algorithm for estimating the number of page fetches for a partial or complete scan of a B-tree index. The algorithm obtains estimates for the number of page fetches ...
NN
2000
Springer
13 years 7 months ago
2000
Springer
We present the theoretical results about the construction of confidence intervals for a nonlinear regression based on least squares estimation and using the linear Taylor expansio...