3777 search results - page 12 / 756 » Estimating the Quality of Databases |
VLDB
2005
ACM
14 years 28 days ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
The structural similarity (SSIM) index has been shown to be a good perceptual image quality predictor. In many real-world applications such as network visual communications, howev...
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...
DEDUCTIVE
1993
13 years 8 months ago
1993
This chapter discusses an extended deductive database prototype system, Q-Data, developed by Bellcore to improve data quality through data validation and cleanup. The key technolo...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE