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WWW
2007
ACM
14 years 8 months ago
Topic sentiment mixture: modeling facets and opinions in weblogs
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
Qiaozhu Mei, Xu Ling, Matthew Wondra, Hang Su, Che...
COMSWARE
2007
IEEE
14 years 2 months ago
On Optimal Performance in Mobile Ad hoc Networks
In this paper we are concerned with finding the maximum throughput that a mobile ad hoc network can support. Even when nodes are stationary, the problem of determining the capaci...
Tapas K. Patra, Joy Kuri, Pavan Nuggehalli
MOBIHOC
2005
ACM
14 years 7 months ago
On the node-scheduling approach to topology control in ad hoc networks
: In this paper, we analyze the node scheduling approach of topology control in the context of reliable packet delivery. In node scheduling, only a minimum set of nodes needed for ...
Budhaditya Deb, Badri Nath
WS
2006
ACM
14 years 1 months ago
Modeling Ad-hoc rushing attack in a negligibility-based security framework
In this paper, we propose a formal notion of network security for ad hoc networks. We adopt a probabilistic security framework, that is, security is defined by a polynomially bou...
Jiejun Kong, Xiaoyan Hong, Mario Gerla
SIGIR
2005
ACM
14 years 1 months ago
Linear discriminant model for information retrieval
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
Jianfeng Gao, Haoliang Qi, Xinsong Xia, Jian-Yun N...