3777 search results - page 51 / 756 » Estimating the Quality of Databases |
PVLDB
2008
13 years 8 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
ISM
2008
IEEE
14 years 3 months ago
2008
IEEE
The newly adopted scalable extension of H.264/AVC video coding standard (SVC), demonstrates significant improvements in coding efficiency in addition to an increased degree of s...
ICDE
2010
IEEE
14 years 3 months ago
2010
IEEE
—Data compression techniques such as null suppression and dictionary compression are commonly used in today’s database systems. In order to effectively leverage compression, it...
ICIP
1999
IEEE
14 years 10 months ago
1999
IEEE
Efficient motion estimation is very important for compressing video in standards like MPEG1/2/4 and ITU-T H.261/263. In this paper a new algorithm will be presented which can outp...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Join techniques deploying approximate match predicates are fundamental data cleaning operations. A variety of predicates have been utilized to quantify approximate match in such o...