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» On Randomness Measures for Social Networks.
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CCS
2010
ACM
15 years 6 months ago
Detecting and characterizing social spam campaigns
Online social networks (OSNs) are popular collaboration and communication tools for millions of users and their friends. Unfortunately, in the wrong hands, they are also effective...
Hongyu Gao, Jun Hu, Christo Wilson, Zhichun Li, Ya...
CIKM
2011
Springer
14 years 6 months ago
Do all birds tweet the same?: characterizing twitter around the world
Social media services have spread throughout the world in just a few years. They have become not only a new source of information, but also new mechanisms for societies world-wide...
Barbara Poblete, Ruth Garcia, Marcelo Mendoza, Ale...
INFOCOM
2010
IEEE
15 years 4 months ago
Measurement and Diagnosis of Address Misconfigured P2P Traffic
Misconfigured P2P traffic caused by bugs in volunteer-developed P2P software or by attackers is prevalent. It influences both end users and ISPs. In this paper, we discover and stu...
Zhichun Li, Anup Goyal, Yan Chen, Aleksandar Kuzma...
CORR
2006
Springer
107views Education» more  CORR 2006»
15 years 6 months ago
Dense Gaussian Sensor Networks: Minimum Achievable Distortion and the Order Optimality of Separation
We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements...
Nan Liu, Sennur Ulukus
MONET
2006
157views more  MONET 2006»
15 years 6 months ago
Connectivity in Wireless Ad-hoc Networks with a Log-normal Radio Model
In this paper we study connectivity in wireless ad-hoc networks by modeling the network as an undirected geometric random graph. The novel aspect in our study is that for finding t...
Ramin Hekmat, Piet Van Mieghem