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ATT: Analyzing Temporal Dynamics of Topics and Authors in Social Media

Published on 2011-07-19152928 Views

Understanding Topical trends and user roles in topic evolution is an important challenge in the field of information retrieval. In this contribution, we present a novel model for analyzing evolution

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Presentation

ATT: Analyzing Temporal Dynamics of Topics and Authors in Social Media00:00
Motivation00:23
How do we model topic evolution?01:41
Why?01:54
Problem Understanding02:39
What is a Topic?04:20
Author-Topic-Time Model (ATT)05:57
Applications of Author-Topic-Time Model06:48
Experimental Dataset07:41
Topics Life Cycle and Associated Authors (CiteSeer dataset)09:29
Evaluation11:08
Author Similarity (Symmetric KL-Divergence)12:37
Summary and Future Work13:30
Thank you14:05