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WWW
2007
ACM
14 years 8 months ago
Expertise networks in online communities: structure and algorithms
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...
Jun Zhang, Mark S. Ackerman, Lada A. Adamic
SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
14 years 7 months ago
Optimizing complex queries with multiple relation instances
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
Yu Cao, Gopal C. Das, Chee Yong Chan, Kian-Lee Tan
MOBISYS
2008
ACM
14 years 7 months ago
Efficient channel-aware rate adaptation in dynamic environments
Increasingly, 802.11 devices are being used by mobile users. This results in very dynamic wireless channels that are difficult to use efficiently. Current rate selection algorithm...
Glenn Judd, Xiaohui Wang, Peter Steenkiste
WEA
2010
Springer
284views Algorithms» more  WEA 2010»
14 years 2 months ago
Paging Multiple Users in Cellular Network: Yellow Page and Conference Call Problems
Abstract. Mobile users are roaming in a zone of cells in a cellular network system. The probabilities of each user residing in each cell are known, and all probabilities are indepe...
Amotz Bar-Noy, Panagiotis Cheilaris, Yi Feng 0002
ASAP
2007
IEEE
133views Hardware» more  ASAP 2007»
14 years 1 months ago
GISP: A Transparent Superpage Support Framework for Linux
Though all of the current main-stream OSs have supported superpage to some extent, most of them need runtime information provided by applications, simulator or other tools. Transp...
Ning Qu, Yansong Zheng, Wei Cao, Xu Cheng