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WMCSA
2008
IEEE
16 years 1 months ago
Making CAPTCHAs clickable
We show how to convert regular keyboard-entry CAPTCHAs into clickable CAPTCHAs. The goal of this conversion is to simplify and speed-up the entry of the CAPTCHA solution, to minim...
Richard Chow, Philippe Golle, Markus Jakobsson, Lu...
MATA
2004
Springer
131views Communications» more  MATA 2004»
16 years 1 days ago
MobiGrid
This project focuses on the implementation of a framework for mobile agents support within a grid environment project, namely InteGrade. Our goal is to present a framework where ti...
Rodrigo M. Barbosa, Alfredo Goldman
PIMRC
2008
IEEE
16 years 1 months ago
Adaptive radio resource management for a cellular system with fixed relay nodes
— Future mobile communications systems demand for higher data rates and service quality compared to state-of-the-art systems. One way to achieve this ambitious goal is to use rel...
Fredrik Boye, Peter Rost, Gerhard Fettweis
TMC
2008
136views more  TMC 2008»
15 years 6 months ago
Efficient Resource Allocation for Wireless Multicast
In this paper, we propose a bandwidth-efficient multicast mechanism for heterogeneous wireless networks. We reduce the bandwidth cost of an Internet Protocol (IP) multicast tree by...
De-Nian Yang, Ming-Syan Chen
ASPLOS
2012
ACM
14 years 2 months ago
Reflex: using low-power processors in smartphones without knowing them
To accomplish frequent, simple tasks with high efficiency, it is necessary to leverage low-power, microcontroller-like processors that are increasingly available on mobile systems...
Felix Xiaozhu Lin, Zhen Wang, Robert LiKamWa, Lin ...