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Opinion Formation by Voter Models in Social Networks
Published on Sep 28, 20123799 Views
Large scale social networking applications have made it possible for news, ideas, opinions and rumors to spread easily, which affects and changes our daily life style substantially. Massive data are
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Chapter list
Opinion Formation by Voter Models in Social Networks00:00
Information Diffusion Research01:31
Opinion Formation Models02:19
Objectives (1/2)03:20
Objectives (2/2)04:42
Related Work (1/2)05:49
Related Work (2/2) 06:27
Opinion Diffusion in Social Networks07:05
Basic Voter Model08:09
Anti-Voter Model (K = 2) 08:48
Multiple Opinions (K > 2)08:58
Asynchronous Update10:44
Opinion Values12:11
Value-weighted Voter (VwV) Model (1/2)12:37
Value-weighted Voter (VwV) Model (2/2)13:54
Value-weighted Anti-Voter (VwAV) Model14:48
Value-weighted Mixute Voter (VwMV) Model15:10
Share Prediction of VwMV Model15:50
Example of Opinion Share Prediction16:33
Share Analysis by Mean Field Approach17:46
Assumption for Theoretical Analysis19:32
Case of Uniform Opinion Values20:52
Case of Non Uniform Opinion Values (1/2)21:50
Case of Non Uniform Opinion Values (2/2)22:59
Experimental Confirmation24:15
Learning Problem26:00
Parameter Transform26:48
Learning Method (1/2)27:29
Learning Method (2/2)29:27
Experimental Evaluation30:33
Experimental Settings31:46
Share Prediction Experiment32:57
Polynomial Extrapolation Method34:08
Settings for Share Prediction Experiment34:38
Share Prediction for Wiki Network (1/2)35:55
Share Prediction for Wiki Network (2/2)37:53
Discussion for Share Prediction (1/2)38:23
Discussion for Share Prediction (2/2)40:49
Anti-majoritarians Discovery Experiment41:55
Evaluation Measures43:15
Estimation of Anti-majoritarian Tendency for Wiki Network43:45
Extraction of Anti-majoritarians for Wiki Network44:31
Change of Opinion Diffusion Model44:59
Change Detection Problem45:29
Example of Change Detection45:52
Framework of Change Detection Method46:19
Naïve Detection Method47:04
Proposed Detection Method (1/4)47:26
Proposed Detection Method (2/4)47:43
Proposed Detection Method (3/4)48:56
Proposed Detection Method (4/4)49:27
Change Detection Experiment49:50
Computation Time of Hot Span Detection for Wiki Network50:41
Estimation of Hot Span for Wiki Network51:06
Estimation of Opinion Values for Wiki Network51:27
Conclusion51:45
Other Directions53:05
References (1/2)55:05
References (2/2)55:25