Real time bid optimization with smooth budget delivery in online advertising
A measureofpolarizationonsocialmedianetworksbasedoncommunityboundaries
1. A measure of polarization on social
media networks based on
community boundaries.
04/21 2014
D3 大知 正直@東大 松尾研
1
Pedro H. Calais Guerra, Wagner Meira Jr.
Dept. of Computer Science
Universidade Federal de Minas Gerais (UFMG)
Belo Horizonte, MG, Brazil
Claire Cardie, Robert Kleinberg
Dept. of Computer Science
Cornell University
Ithaca, NY 14853 USA
2. • Propose a polarization metric
– Focus on the boundary node of communities
• Demonstrate the usefulness of the proposal metric
– Tweet network on the gun control issue in the U.S.
• Show the difference between the polarized and non-
polarized network structure.
2
A proposal for a measure of polarization on Social Media Networks
Abstract
Polarized social networkNon-polarized social network
Simple idea:
The “Modularity” metric can’t distinguish the polarization from these
networks