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» The digital divide of computing
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IMC
2009
ACM
16 years 1 months ago
The importance of being overheard: throughput gains in wireless mesh networks
A flurry of recent work has focused on the performance gains that may be achieved by leveraging the broadcast nature of the wireless channel. In particular, researchers have obse...
Mikhail Afanasyev, Alex C. Snoeren
MOBICOM
2009
ACM
16 years 1 months ago
Frequency-aware rate adaptation and MAC protocols
There has been burgeoning interest in wireless technologies that can use wider frequency spectrum. Technology advances, such as 802.11n and ultra-wideband (UWB), are pushing towar...
Hariharan Rahul, Farinaz Edalat, Dina Katabi, Char...
SIGCOMM
2009
ACM
16 years 1 months ago
Economic issues in shared infrastructures
We define some interesting incentive issues that arise in the management of virtual infrastructures. We demonstrate that participants’ decisions about the quantities of infrast...
Costas Courcoubetis, Richard R. Weber
SIGCOMM
2009
ACM
16 years 1 months ago
VUPoints: collaborative sensing and video recording through mobile phones
Mobile phones are becoming a convergent platform for sensing, computation, and communication. This paper envisions VUPoints, a collaborative sensing and video-recording system tha...
Xuan Bao, Romit Roy Choudhury
SIGIR
2009
ACM
16 years 1 months ago
Fast nonparametric matrix factorization for large-scale collaborative filtering
With the sheer growth of online user data, it becomes challenging to develop preference learning algorithms that are sufficiently flexible in modeling but also affordable in com...
Kai Yu, Shenghuo Zhu, John D. Lafferty, Yihong Gon...