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108
Voted
WMCSA
2008
IEEE
15 years 10 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...
130
Voted
ISCAS
2007
IEEE
114views Hardware» more  ISCAS 2007»
15 years 9 months ago
On the Suitability of Discrete-Time Receivers for Software-Defined Radio
—CMOS radio receiver architectures, based on radio frequency (RF) sampling followed by discrete-time (D-T) signal processing via switched-capacitor circuits, have recently been p...
Zhiyu Ru, Eric A. M. Klumperink, Bram Nauta
116
Voted
WSFM
2007
Springer
15 years 9 months ago
Towards a Theory of Web Service Choreographies
A fundamental promise of service oriented architecture (SOA) lies in the ease of integrating sharable information, processes, and other resources through interactions among the sha...
Jianwen Su, Tevfik Bultan, Xiang Fu, Xiangpeng Zha...
117
Voted
INFOCOM
2005
IEEE
15 years 9 months ago
Relevance of massively distributed explorations of the Internet topology: simulation results
— Internet maps are generally constructed using the traceroute tool from a few sources to many destinations. It appeared recently that this exploration process gives a partial an...
Jean-Loup Guillaume, Matthieu Latapy
109
Voted
ISCAS
2005
IEEE
154views Hardware» more  ISCAS 2005»
15 years 9 months ago
Boost-buck inverter variable structure control for grid-connected photovoltaic systems
—The present work describes the analysis, modeling and control of a transformerless Boost-Buck power inverter used as a DC-AC power conditioning stage for grid-connected photovol...
Carlos Meza, Domingo Biel, Luis Martinez-Salamero,...