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BTW
2009
Springer
132views Database» more  BTW 2009»
15 years 9 months ago
A Bayesian Approach to Estimating the Selectivity of Conjunctive Predicates
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
M. Heimel, Volker Markl, Keshava Murthy
VLDB
1998
ACM
136views Database» more  VLDB 1998»
15 years 9 months ago
Materialized View Selection for Multidimensional Datasets
To fulfill the requirement of fast interactive multidimensional data analysis, database systems precompute aggregate views on some subsets of dimensions and their corresponding hi...
Amit Shukla, Prasad Deshpande, Jeffrey F. Naughton
BMCBI
2005
67views more  BMCBI 2005»
15 years 5 months ago
Selecting additional tag SNPs for tolerating missing data in genotyping
Background: Recent studies have shown that the patterns of linkage disequilibrium observed in human populations have a block-like structure, and a small subset of SNPs (called tag...
Yao-Ting Huang, Kui Zhang, Ting Chen, Kun-Mao Chao
TWC
2011
245views more  TWC 2011»
14 years 12 months ago
Cooperative Filter-and-Forward Beamforming for Frequency-Selective Channels with Equalization
Most of the existing literature on cooperative relay networks has focused on frequency– nonselective channels or frequency–selective channels with multi–carrier transmission...
Yang-wen Liang, Aïssa Ikhlef, Wolfgang H. Ger...
ICMCS
2006
IEEE
181views Multimedia» more  ICMCS 2006»
15 years 11 months ago
A Fast Downsizing Video Transcoder for H.264/AVC with Rate-Distortion Optimal Mode Decision
This paper focuses on the mode decision and motion selection problem when H.264/AVC video streams are transcoded in spatial resolution. A fast downsizing transcoding scheme is dev...
Huifeng Shen, Xiaoyan Sun, Feng Wu, Houqiang Li, S...