3295 search results - page 341 / 659 » Using Technologies to Improve E-Learning |
201
click to vote
IDA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. We present a Bayesian treatment of non-negative matrix factorization (NMF), based on a normal likelihood and exponential priors, and derive an efficient Gibbs sampler to ...
152
click to vote
RSKT
2009
Springer
16 years 1 months ago
2009
Springer
—Cyclic Delay Diversity (CDD) is a simple and efficient space-time diversity technique. It can be used in OFDM and DFT-Spread-OFDM. The traditional CDD has low complexity and sys...
145
click to vote
DEBS
2009
ACM
16 years 1 months ago
2009
ACM
Event processing systems are a promising technology for enterprise-scale applications. However, achieving scalability yet maintaining high performance is a challenging problem. Th...
152
Voted
AINA
2008
IEEE
16 years 1 months ago
2008
IEEE
With wireless technologies extending to every part of our daily lives, mobile networking applications are becoming increasingly popular for accessing the Internet. In this paper, ...
179
click to vote
CISS
2008
IEEE
16 years 1 months ago
2008
IEEE
—We investigate the effects of user cooperation on the secrecy of multiple access channels with generalized feedback (MAC-GF). We show that cooperation can increase the achievabl...