Expertise Networks in Online Communities: Structure and Algorithms. Jun Zhang Mark S. Ackerman Lada Adamic University of Michigan WWW 2007, May 8–12, 2007, Banff, Alberta, Canada. Outline. Automatically identify users with expertise. Analysis of the java forum
Mark S. Ackerman
University of Michigan
WWW 2007, May 8–12, 2007, Banff, Alberta, Canada.
Expertise Finder – Systems that help to find others with appropriate expertise to answer a question.
Current Expertise finders – Modern Information retrieval techniques.
Represent as term vector, match expertise queries using standard IR techniques.
Problem : Reflect if a person knows about a topic but does not distinguish person’s relative expertise levels.
Solution – Use network based ranking algorithm + content analysis.Introduction
P of replying increases exponentially with expertise level difference between 2 users
THANK YOU !!! metrics.