Barrier coverage is a critical issue in wireless sensor networks for various battlefield and homeland security applications. The goal is to effectively detect intruders that attem...
In this paper, we study search bot traffic from search engine query logs at a large scale. Although bots that generate search traffic aggressively can be easily detected, a large ...
Peer-to-peer (P2P) networks continue to be popular means of trading content. However, very little protection is in place to make sure that the files exchanged in these networks a...
Mobile users of computation and communication services have been rapidly adopting battery-powered mobile handhelds, such as PocketPCs and SmartPhones, for their work. However, the...
The fast spreading worm is becoming one of the most serious threats to today’s networked information systems. A fast spreading worm could infect hundreds of thousands of hosts w...
Songqing Chen, Xinyuan Wang, Lei Liu, Xinwen Zhang