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The Dynamics of Opinion Formation in Social Networks
Published on Sep 27, 20132887 Views
The process of opinion formation through synthesis and contrast of different viewpoints has been the subject of many studies in economics and social sciences. Today, this process manifests itself also
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Chapter list
The dynamics of opinion formation in social networks00:00
What is an opinion?00:21
Opinion - 100:33
Opinion - 200:56
People living in a society are influencing each other - 101:30
People living in a society are influencing each other - 201:57
People living in a society are influencing each other - 302:03
Opinions change with time - 102:11
Opinions change with time - 202:32
Repeated averaging03:02
Do we always say our true opinion?04:09
Your loyalty to Red Sox?04:22
Predisposition and expressed opinions05:04
Forming expressed opinions - 106:19
Forming expressed opinions - 206:52
Forming expressed opinions - 306:58
Interpretation of opinion zi07:14
Opinion formation as a game07:28
Can we influence social opinions?08:35
The opinion-maximization problem - 108:50
The opinion-maximization problem - 209:44
The opinion-maximization problem (formally)10:18
Random walks with absorbing states - 110:53
Random walks with absorbing states - 212:56
Random walks with absorbing states - 314:21
Random walks with absorbing states - 414:38
Random-walk interpretation of zi15:19
Absorbing random walks: a tool for studying opinion-maximization15:45
Properties of the opinion-maximization problem15:51
Example : monotonicity16:24
Algorithms16:49
On a larger dataset18:24
Opinion-maximization variants18:51
i-opinion maximization19:02
i-maximization: remarks19:19
Opinion maximization vs Influence maximization19:35
Influence maximization19:49
Both problems20:07
When influential nodes20:15
Influence maximization20:21
Products20:27
Actions in social networks (re-tweets)20:29
Independent-cascade model20:33
Opinion maximization - 120:48
Opinion maximization - 221:06
Selection of rational agents21:48
Untitled24:38