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The 13th International Conference on Knowledge Discovery and Data Mining

An Event-based Framework for Characterizing the Evolutionary Behavior of Interaction Graphs

author: Sitaram Asur, Ohio State University

Description

Interaction graphs are ubiquitous in many fields such as bioinformatics, sociology and physical sciences. There have been many studies in the literature targeted at studying and mining these graphs. However, almost all of them have studied these graphs from a static point of view. The study of the evolution of these graphs over time can provide tremendous insight on the behavior of entities, communities and the flow of information among them.

In this work, we present an event-based characterization of critical behavioral patterns for temporally varying interaction graphs. We use non-overlapping snapshots of interaction graphs and develop a framework for capturing and identifying interesting events from them. We use these events to characterize complex behavioral patterns of individuals and communities over time. We demonstrate the application of behavioral patterns for the purposes of modeling evolution, link prediction and influence maximization. Finally, we present a diffusion model for evolving networks, based on our framework.

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Slides
0:00 An Event-based Framework for Characterizing the Evolutionary Behavior of Interaction Graphs
0:16 Motivation-part01
1:04 Motivation-part02
1:35 Motivation-part03
1:57 Motivation-part04
2:28 Workflow
2:55 Temporal Snapshots
3:45 Clustering
4:50 Community-based Event Detection
5:52 Entity-based Event Detection
6:53 Event Detection
7:35 Temporal Analysis
8:19 Behavioral Analysis
8:51 Case Study 1 : DBLP Collaboration network
9:25 Case Study 2 : Clinical Trials Network
10:35 Stability Index
11:28 Stability for Clinical Trials data
12:41 Sociability Index
13:22 Sociability Index for Community Prediction
13:57 Experimental Results
15:00 Popularity Index
15:24 Application of Popularity Index
15:52 Influence Index
16:50 Top Influential authors – DBLP dataset
17:02 Diffusion Models
17:36 Diffusion Models – Influence Maximization
18:29 Conclusions
19:11 Future Directions
19:31 Thanks!

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