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MOBIHOC
2005
ACM
16 years 6 months ago
A secure ad-hoc routing approach using localized self-healing communities
Mobile ad hoc networks (MANETs) are vulnerable to routing attacks, especially attacks launched by non-cooperative (selfish or compromised) network members and appear to be protoco...
Jiejun Kong, Xiaoyan Hong, Yunjung Yi, Joon-Sang P...
MIR
2010
ACM
232views Multimedia» more  MIR 2010»
16 years 1 months ago
Exploiting external knowledge to improve video retrieval
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
David Vallet, Iván Cantador, Joemon M. Jose
INFOCOM
2009
IEEE
16 years 1 months ago
Surface Coverage in Wireless Sensor Networks
—Coverage is a fundamental problem in Wireless Sensor Networks (WSNs). Existing studies on this topic focus on 2D ideal plane coverage and 3D full space coverage. In many real wo...
Ming-Chen Zhao, Jiayin Lei, Min-You Wu, Yunhuai Li...
INFOCOM
2009
IEEE
16 years 1 months ago
Coalitional Games for Distributed Collaborative Spectrum Sensing in Cognitive Radio Networks
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
Walid Saad, Zhu Han, Mérouane Debbah, Are H...
CIKM
2009
Springer
16 years 28 days ago
Generating comparative summaries of contradictory opinions in text
This paper presents a study of a novel summarization problem called contrastive opinion summarization (COS). Given two sets of positively and negatively opinionated sentences whic...
Hyun Duk Kim, ChengXiang Zhai