2941 search results - page 520 / 589 » The Myth of the Educational Computer |
WWW
2011
ACM
13 years 4 months ago
2011
ACM
This paper presents a system for enabling offline web use to satisfy the information needs of disconnected communities. We describe the design, implementation, evaluation, and pil...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
JCAL
2010
13 years 3 months ago
2010
Our schools have been experiencing three overlapping waves of technology adoption since the mid-1980s: the personal computer lab wave, the online learning wave, and the digital cl...
TIM
2010
13 years 3 months ago
2010
A distributed telerobotic system is proposed based on a master-arm station that is interconnected by a computer network to a slave-arm station. The distributed telerobotic system i...
TIT
2010
13 years 3 months ago
2010
We consider the problem of rate and power allocation in a multiple-access channel. Our objective is to obtain rate and power allocation policies that maximize a general concave ut...