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Measuring the Topical Specificity of Online Communities
Published on Jul 08, 20132765 Views
For community managers and hosts it is not only important to identify the current key topics of a community but also to assess the specificity level of the community for: a) creating sub-communities,
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Chapter list
Measuring the topical specificity of online communities00:00
Why measure the topical specificity of Online Communities?01:23
Sub-Community Creation - 101:31
Sub-Community Creation - 202:40
Sub-Community Creation - 302:56
Theory of Attention Dynamics03:10
Community Recommendation04:06
Can we....04:48
What do we mean by ‘specificity’?05:01
Measuring Topical Specificity: Our Approach - 105:45
Measuring Topical Specificity: Our Approach - 206:01
Measuring Topical Specificity: Our Approach - 306:07
Measuring Topical Specificity: Our Approach - 406:12
Extracting Concepts and Concept Models06:20
Selecting Concepts using Composite Functions:Concept Frequency07:46
Concept Frequency-Inverse Forum Frequency - 108:52
Concept Frequency-Inverse Forum Frequency - 209:18
Measuring Specificity09:34
Measuring Abstraction: Network Entropy10:18
Measuring Abstraction: Network Centrality11:46
Measuring Abstraction: Statistical Subsumption12:51
Measuring Abstraction: Key Player Problem13:44
Approach Evaluation - 114:38
Approach Evaluation - 216:05
Experimental Setup16:22
Experiamental Setup: Concept Graphs17:44
Experimental Setup: Evaluation Measures18:38
Experiments: Results20:48
Evaluation: Qualitative Insights22:33
Conclusions23:21
Current and Future Work24:11
Questions?25:26