Sampling networks

Networks

Most of the raw data are from SNAP (Stanford Large Network Dataset Collection). All the networks are transformed into bidirectional, and the degree distribution and its coefficient of variation (γ) are based on the transformed graph.
Networks Centralities of the network download Description plots
Web-google Centralities web-google Nodes represent web pages and directed edges represent hyperlinks between them. The data was released in 2002 by Google as a part of Google Programming Contest.
Slashdot Centralities Slashdot Slashdot Zoo signed social network from February 21 2009
Skitter Centralities Skitter Internet topology graph. From traceroutes run daily in 2005
Wiki-Talk Centralities WikiTalk Wikipedia talk (communication) network
Epinion Centralities Epinion Who-trusts-whom network of Epinions.com
WikiVote Centralities WikiVote Wikipedia who-votes-on-whom network
LiveJounal Centralities LiveJounal a free on-line community with almost 10 million members; a significant fraction of these members are highly active.

Uniform Random Sampling Average Degree Estimation

LiveJournal Web-google Wiki-talk
Wiki-vote Slashdot Skitter
Epinion

Rank Correlation

LiveJournal Web-google Wiki-talk
Wiki-vote Slashdot Skitter
Epinion

Rank evolvement