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CONEXT
2009
ACM
13 years 6 months ago
Cool-Tether: energy efficient on-the-fly wifi hot-spots using mobile phones
We consider the problem of providing ubiquitous yet affordable Internet connectivity to devices at home, at work, and on the move. In this context, we take advantage of two signif...
Ashish Sharma, Vishnu Navda, Ramachandran Ramjee, ...
PERCOM
2003
ACM
14 years 5 months ago
Providing Contextual Information to Pervasive Computing Applications
Pervasive computing applications are increasingly leveraging contextual information from several sources to provide users with behavior appropriate to the environment in which the...
Glenn Judd, Peter Steenkiste
MONET
2002
142views more  MONET 2002»
13 years 5 months ago
Defending Wireless Infrastructure Against the Challenge of DDoS Attacks
This paper addresses possible Distributed Denial-of-Service (DDoS) attacks toward the wireless Internet including the Wireless Extended Internet, the Wireless Portal Network, and t...
Xianjun Geng, Yun Huang, Andrew B. Whinston
INFOCOM
2007
IEEE
13 years 12 months ago
Robust and Scalable Geographic Multicast Protocol for Mobile Ad-hoc Networks
— Group communications are important in Mobile Ad hoc Networks (MANET). Multicast is an efficient method to implement the group communications. However, it is challenging to imp...
Xiaojing Xiang, Zehua Zhou, Xin Wang
POLICY
2004
Springer
13 years 11 months ago
Cassandra: Distributed Access Control Policies with Tunable Expressiveness
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
Moritz Y. Becker, Peter Sewell