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Feb
21

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2013 ; SB 239

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Description Abstract We study the problem of detecting coordinated free text campaigns in large-scale social media. These campaigns - ranging from coordinated spam messages to promotional and...

Feb
18

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LS 152

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SpeakerDavid DegrasDePaul Universityhttp://depaul.academia.edu/DavidDegras Description In repeated surveys, rotation sampling is a method that replaces a fraction of the sample at each survey occasion...

Feb
18

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E1 034

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Systemic Risk Description Tao Chen Title: Dynamic Acceptability Indices Mr. Tao Chen will discuss concave distortions in dynamic case. Yu-Sin Chang Title: Systemic Risk Ms. Yu-Sin Chang will report...

Feb
11

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LS 152

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SpeakerAlexander (Sasha) GutfraindUniversity of Illinois at Chicagohttp://gutfraind.com/ Description Graphs (networks) are widely used in science and technology to represent relationships between...

Feb
11

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E1 034

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Systemic Risk Description Tao Chen Title: Dynamic Acceptability Indices Mr. Tao Chen will report the paper ”On Consistent Valuations Based on Distorted Expectations: from Multinomial Random Walks to...

Feb
4

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LS 152

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SpeakerShun ZhangBrown Universityhttp://www.dam.brown.edu/people/shzhang/ Description Reduced basis (RB) methods have been developed during the last decades with the aim to efficiently compute...