social networks

Publication date: 
11/2017
Authors: 
Yu-Ru Lin
Ryan Kennedy
David Lazer

We examine the social antecedents of contributing to campaigns, with a particular focus on the role of population density and social networking opportunities.

Keywords: 
Fundraising
social networks
campaigns
spatial models
Publication date: 
10/2014
Authors: 
Yu-Ru Lin
Drew Margolin
David Lazer
Keywords: 
semantic burst
semantic convergence
burst detection
coordination
cooperation
social networks
Publication date: 
10/2014
Authors: 
Yu-Ru Lin
Drew Margolin
David Lazer

Developing technologies that support collaboration requires understanding how knowledge and expertise are shared and distributed among community members. We explore two forms of knowledge distribution structures, coordination and cooperation, that are central to successful collaboration. We propose a novel method for detecting the coordination of strategic communication among members of political communities.

Keywords: 
semantic burst
semantic convergence
burst detection
coordination
cooperation
social networks
Publication date: 
05/2015
Authors: 
Jameson L. Toole
Yu-Ru Lin
Erich Muehlegger
Daniel Shoag

Can data from mobile phones be used to observe economic shocks and their consequences at multiple scales? Here we present novel methods to detect mass layoffs, identify individuals affected by them and predict changes in aggregate unemployment rates using call detail records (CDRs) from mobile phones.

Keywords: 
unemployment
computational social science
social networks
mobility
complex systems
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