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First ACM International Conference on Web Search and Data Mining - WSDM 2008

Collaboration Over Time: Characterizing and Modeling Network Evolution.

author: Jian Huang, University of Washington

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*Slides*
0:00	Collaboration Over Time: Characterizing and Modeling Network Evolution
0:21	Outline
0:23	Introduction
1:32	Related Work
2:16	Problems
2:38	Contributions
2:57	Data Collection
3:50	Topical Dataset
4:05	Degree Distribution
4:38	Comparison of Statistical Network Properties in Coauthorship Networks
5:37	A Growing Small World - CiteSeer
5:47	A Growing Small World (cont'd)
6:32	Perturbation Behavior
6:57	Sensitivity to High Degree Nodes
7:08	Collaboration in the Community Level in CiteSeer
7:48	Distinctive Patterns in Topical Communities (1)
7:55	Distinctive Patterns in Topical Communities (2)
8:16	Distinctive Patterns in Topical Communities (1)
8:37	Distinctive Patterns in Topical Communities (2)
8:38	Modeling Individual Collaboration
9:33	Stochastic Poisson + Optimization Tree (SPOT)
9:42	Notation
9:56	Review of Poisson Process
10:40	Determine Collaboration Rate
11:05	Find Optimal Function f
11:17	Nonparametric Optimization
11:55	Splitting Rule
12:29	Remarks
12:56	Experimental Setup
13:19	Evaluation Metrics
13:25	Empirical Results
14:16	Conclusion and Future Directions
15:23	Acknowledgements
15:24	References (1)
15:26	References (2)
15:28	Questions and Comments

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