551 search results - page 100 / 111 » Collaboration Analysis in Recommender Systems Using Social N... |
WWW
2010
ACM
15 years 4 months ago
2010
ACM
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
TIT
2008
14 years 9 months ago
2008
Abstract--Cooperative transmission protocols over fading channels are based on a number of relaying nodes to form virtual multiantenna transmissions. Diversity provided by these te...
83
Voted
UIST
2009
ACM
15 years 4 months ago
2009
ACM
We describe our system called MobileASL for real-time video communication on the current U.S. mobile phone network. The goal of MobileASL is to enable Deaf people to communicate w...
MOBISYS
2010
ACM
14 years 12 months ago
2010
ACM
The use of cellular data networks is increasingly popular due to the widespread deployment of 3G technologies and the rapid adoption of smartphones, such as iPhone and GPhone. Bes...
PERCOM
2007
ACM
15 years 9 months ago
2007
ACM
: Global positioning systems (GPS) and mobile phone networks are making it possible to track individual users with an increasing accuracy. It is natural to ask whether one can use ...