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ICDCS
2011
IEEE
14 years 5 months ago
Localizing Multiple Jamming Attackers in Wireless Networks
Abstract—Jamming attacks and unintentional radio interference are one of the most urgent threats harming the dependability of wireless communication and endangering the successfu...
Hongbo Liu, Zhenhua Liu, Yingying Chen, Wenyuan Xu
KDD
2008
ACM
165views Data Mining» more  KDD 2008»
16 years 6 months ago
Colibri: fast mining of large static and dynamic graphs
Low-rank approximations of the adjacency matrix of a graph are essential in finding patterns (such as communities) and detecting anomalies. Additionally, it is desirable to track ...
Hanghang Tong, Spiros Papadimitriou, Jimeng Sun, P...
KDD
2008
ACM
150views Data Mining» more  KDD 2008»
16 years 6 months ago
Hypergraph spectral learning for multi-label classification
A hypergraph is a generalization of the traditional graph in which the edges are arbitrary non-empty subsets of the vertex set. It has been applied successfully to capture highord...
Liang Sun, Shuiwang Ji, Jieping Ye
STOC
2006
ACM
174views Algorithms» more  STOC 2006»
16 years 6 months ago
Edge-disjoint paths in Planar graphs with constant congestion
We study the maximum edge-disjoint paths problem in undirected planar graphs: given a graph G and node pairs s1t1, s2t2, . . ., sktk, the goal is to maximize the number of pairs t...
Chandra Chekuri, Sanjeev Khanna, F. Bruce Shepherd
SIGECOM
2010
ACM
156views ECommerce» more  SIGECOM 2010»
15 years 11 months ago
Robust mechanisms for risk-averse sellers
The existing literature on optimal auctions focuses on optimizing the expected revenue of the seller, and is appropriate for risk-neutral sellers. In this paper, we identify good ...
Mukund Sundararajan, Qiqi Yan