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WMCSA
2008
IEEE
15 years 11 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»
15 years 10 months 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
15 years 11 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 5 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 25 days 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 ...