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» Fundamental Challenges in Mobile Computing
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ACL
2010
13 years 9 months ago
A Unified Graph Model for Sentence-Based Opinion Retrieval
There is a growing research interest in opinion retrieval as on-line users' opinions are becoming more and more popular in business, social networks, etc. Practically speakin...
Binyang Li, Lanjun Zhou, Shi Feng, Kam-Fai Wong
JACM
2012
12 years 1 months ago
Continuous sampling from distributed streams
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
MOBIHOC
2009
ACM
14 years 11 months ago
MotionCast: on the capacity and delay tradeoffs
In this paper, we define multicast for ad hoc network through nodes' mobility as MotionCast, and study the capacity and delay tradeoffs for it. Assuming nodes move according ...
Chenhui Hu, Xinbing Wang, Feng Wu
PERCOM
2005
ACM
14 years 10 months ago
Adaptive Temporal Radio Maps for Indoor Location Estimation
In this paper, we present a novel method to adapt the temporal radio maps for indoor location determination by offsetting the variational environmental factors using data mining t...
Jie Yin, Qiang Yang, Lionel M. Ni
MOBISYS
2005
ACM
14 years 10 months ago
DeltaCast: efficient file reconciliation in wireless broadcast systems
Recently, there has been an increasing interest in wireless broadcast systems as a means to enable scalable content delivery to large numbers of mobile users. However, gracefully ...
Julian Chesterfield, Pablo Rodriguez