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» Distributed user modelling for universal information access
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WWW
2009
ACM
16 years 5 months ago
Towards context-aware search by learning a very large variable length hidden markov model from search logs
Capturing the context of a user's query from the previous queries and clicks in the same session may help understand the user's information need. A context-aware approac...
Huanhuan Cao, Daxin Jiang, Jian Pei, Enhong Chen, ...
VISUAL
2005
Springer
15 years 10 months ago
Compressed Domain Image Retrieval Using JPEG2000 and Gaussian Mixture Models
We describe and compare three probabilistic ways to perform Content Based Image Retrieval (CBIR) in compressed domain using images in JPEG2000 format. Our main focus are arbitrary ...
Alexandra Teynor, Wolfgang Müller, Wolfgang L...
ISW
2010
Springer
15 years 3 months ago
Privilege Escalation Attacks on Android
Abstract. Android is a modern and popular software platform for smartphones. Among its predominant features is an advanced security model which is based on application-oriented man...
Lucas Davi, Alexandra Dmitrienko, Ahmad-Reza Sadeg...
JSAC
2011
136views more  JSAC 2011»
14 years 8 months ago
Spectrum Trading in Cognitive Radio Networks: A Contract-Theoretic Modeling Approach
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
Lin Gao, Xinbing Wang, Youyun Xu, Qian Zhang
WWW
2009
ACM
16 years 5 months ago
Mining interesting locations and travel sequences from GPS trajectories
The increasing availability of GPS-enabled devices is changing the way people interact with the Web, and brings us a large amount of GPS trajectories representing people's lo...
Yu Zheng, Lizhu Zhang, Xing Xie, Wei-Ying Ma