Links

KONECT - The Koblenz Network Collection
A collection of over 100 large network datasets. Includes directed, undirected, bipartite, weighted, unweighted and signed networks, as well as networks annotated with timestamps for edges.
LiveTweet - How Interesting is Your Tweet
A prototype demo of the LiveTweet system determining the "interestingness" of a single tweet.
Virtual Center of Excellence on Online Communities
ROBUST has initiated the virtual center of excellence to bring together leading researchers and experts on Online Communities.