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Evolution of Experts in Question Answering Communities

Published on Jul 06, 20122512 Views

Community Question Answering (CQA) services thrive as a result of a small number of highly active users, typically called experts, who provide a large number of high quality useful answers. Understand

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Chapter list

Evolution of Experts in Question Answering Communities00:00
Motivation for Temporal Analysis00:33
Research Questions01:14
Dataset Description01:50
Data Preprocessing02:37
Influence on Question Askers (1)03:25
Influence on Question Askers (2)04:12
Influence on Question Askers (3)04:15
Influence of Experts on Ordinary Users (1)04:30
Influence of Experts on Ordinary Users (2)04:54
Influence of Experts on Ordinary Users (3)05:26
Influence of Experts on Ordinary Users (4)05:48
Influence of Experts on Experts (1)06:53
Influence of Experts on Experts (2)07:19
Influence of Experts on Experts (3)07:34
Influence of Experts on Experts (4)07:42
Influence of Experts on Experts (5)08:06
Influence of Experts on Experts (6)08:19
Influence of Experts on Experts (7)08:25
Expert Evolution08:37
Number of Clusters09:28
Expert Evolution Pattern09:44
Identifying Different Types of Experts11:27
Identifying Experts12:18
Summary13:16
Take Aways14:44
Thanks15:18