1416 search results - page 223 / 284 » cost 2009 |
SIGMOD
2009
ACM
14 years 3 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
CEC
2009
IEEE
14 years 3 months ago
2009
IEEE
— The Redundancy Allocation Problem (RAP) is a kind of reliability optimization problems. It involves the selection of components with appropriate levels of redundancy or reliabi...
DATE
2009
IEEE
14 years 3 months ago
2009
IEEE
— Exploding health care demands and costs of aging and stressed populations necessitate the use of more in-home monitoring and personalized health care. Electronics hold great pr...
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...