Information aggregation is an important operation in wireless sensor networks executed for the purpose of monitoring and reporting of the environmental data. Due to the performance...
1 DOD Joint Vision 2020 (JV2020) is the integrated multi-service planning document for conduct among coalition forces of future warfare. It requires the confluence of a number of k...
The current trend in mobile networking is towards mobile hosts that have multiple network interfaces, e.g., WLAN and GPRS. However, when the current Internet architecture was orig...
For the two last decades, electronic authentication has been an important topic. The first applications were digital signatures to mimic handwritten signatures for digital document...
We introduce captcha, an automated test that humans can pass, but current computer programs can’t pass: any program that has high success over a captcha can be used to solve an u...
Luis von Ahn, Manuel Blum, Nicholas J. Hopper, Joh...