2034 search results - page 25 / 407 » Substring Selectivity Estimation |
SIGMOD
1996
ACM
14 years 17 days ago
1996
ACM
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
—Recently, broadband analog network coding (ANC) was introduced to utilize high-data rate transmission over the wireless – frequency selective fading – channel. However, ANC ...
TSP
2010
13 years 3 months ago
2010
Three versions of a novel adaptive channel estimation approach, exploiting the over-sampled complex exponential basis expansion model (CE-BEM), is presented fordoubly selectivechan...
WEBI
2009
Springer
14 years 3 months ago
2009
Springer
—On participatory Websites, users provide opinions about products, with both overall ratings and textual reviews. In this paper, we propose an approach to accurately estimate fea...
ADC
2004
Springer
14 years 1 months ago
2004
Springer
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...