2034 search results - page 33 / 407 » Substring Selectivity Estimation |
TSP
2010
13 years 3 months ago
2010
Abstract--Ziv
ICASSP
2011
IEEE
13 years 5 days ago
2011
IEEE
We propose a compressive method for tracking doubly selective channels within multicarrier systems, including OFDM systems. Using the recently introduced concept of modified comp...
ICASSP
2011
IEEE
13 years 5 days ago
2011
IEEE
The 1 norm regularized least square technique has been proposed as an efficient method to calculate sparse solutions. However, the choice of the regularization parameter is still...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...