Geometric Tools for Graph Mining of Large Social and Information Networks

author: Michael Mahoney, Department of Computer Science, Stanford University
published: Oct. 1, 2010,   recorded: July 2010,   views: 7603


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The tutorial will cover recent algorithmic and statistical work on identifying and exploiting "geometric" structure in large informatics graphs such as large social and information networks. Such tools (e.g., Principal Component Analysis and related non-linear dimensionality reduction methods) are popular in many areas of machine learning and data analysis due to their relatively-nice algorithmic properties and their connections with regularization and statistical inference. These tools are not, however, immediately-applicable in many large informatics graphs applications since graphs are more combinatorial objects; due to the noise and sparsity patterns of many real-world networks, etc. Recent theoretical and empirical work has begun to remedy this, and in doing so it has already elucidated several surprising and counterintuitive properties of very large networks. Topics include: underlying theoretical ideas; tips to bridge the theory-practice gap; empirical observations; and the usefulness of these tools for such diverse applications as community detection, routing, inference, and visualization.

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Reviews and comments:

Comment1 social networks mining, December 21, 2011 at 6:50 a.m.:

Awesome! These tools would be very useful in scale with growing the social graph. Keep them coming!:)

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