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Yong-Yeol Ahn (YY)
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Only 1 day to the #netsci2015 Zaragoza Abstracts Submission's deadline (Feb 25th)! Don´t miss it and send your contribution! Please circulate. 
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The WebSci Data Visualization Challenge is accepting submissions
through April 15, and is offering $1000 in prizes! For details, see:

http://websci14.org/#call-for-data-visualization-challenge

Our new paper on predicting successful memes is online.

Predicting Successful Memes using Network and Community Structure
arxiv.org/abs/1403.6199  

It will be presented at #icwsm2014   +Lilian Weng  & +Fil Menczer 

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Signal Processing Art.
Join the Simple Science and Interesting Things Community and share interesting stuff!
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The smooth motion of rotating circles can be used to build up any repeating curve even one as angular as a digital square wave. Each circle spins at a multiple of a fundamental frequency, and a method called Fourier analysis shows how to pick the radiuses of the circles to make the picture work. Decomposing signals like this lies at the heart of a lot of signal processing
http://blog.matthen.com/post/42112703604/the-smooth-motion-of-rotating-circles-can-be-used

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nice. 

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