constructing social contact networks
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Cyberinfrastructure for Social Networks and Network Analysis Network Dynamics and Simulation Science Laboratory Virginia Bioinformatics Institute Virginia Tech. - PowerPoint PPT PresentationTRANSCRIPT
Network Dynamics and Simulation Science
Laboratory
Cyberinfrastructure for Social Networksand Network Analysis
Network Dynamics and Simulation Science LaboratoryVirginia Bioinformatics Institute
Virginia Tech
Christopher BarrettKarla Atkins, Richard Beckman, Keith Bisset,
Stephen Eubank, Achla Marathe, Madhav Marathe, Henning Mortveit, Paula Stretz, Anil Vullikanti
Constructing Social Contact Networks
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Age 26 26 7
Income $27k $16k $0
Status worker worker student
Automobile
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HOME
WORKLUNCH
WORK
DOCTOR
SHOP
HOME
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Network Dynamics and Simulation Science
Laboratory
A Family’s Day
Carpool
HomeHome
Work Lunch WorkCarpool
Bus
Shopping
Car
Daycare
Car
School Bus
Network Dynamics and Simulation Science
Laboratory
Others Use the Same Locations
Network Dynamics and Simulation Science
Laboratory
Time Slices Define a Social Network
Decreasing fidelity, but invariant degree distribution, in social networks (above) affects disease dynamics (below)
Degree distributionof the (temporal)people-ppl. graph
Basic Structural Properties of Portland Social Network *
Degree distributions of the bipartite graph
Clustering Coefficient
* Nature, 13 May 2004
Scaling Laws for Structural Measures*
Degree Distribution Cumulative point overlapratios
Shattering by high degreepeople
* ACM SIAM SODA 2004 and DIMACS Issue on Epidemiology
Network robustness
Shattering the giantcomponent of people by:
Vaccinating (quarantining)high-degree people
Closing downhigh-degree locations
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Network Dynamics and Simulation Science
Laboratory
Estimating a social network
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Grid-based Web Service Cyberinfrastructure for Social Sciences