| # | | Dataset Name | Short Description | Website | Number of Nodes | Number of Edges | Date Added |
| 1 |  | YouTube2 | YouTube is a video-sharing website on which users can upload, share, and view videos. Both the contact network and selected group membership information are included. | YouTube | 1138499 | 2990443 | 2010-08-30 01:50:48 |
| 2 | | YouTube | A multi-dimensional network consists of various type of interactions which can be used to study shared communities among heterogeneous interactions. | YouTube | 15088 | 5574249 | 2009-10-08 23:21:03 |
| 3 |  | Twitter | Twitter is a social news website. It can be viewed as a hybrid of email, instant messaging and sms messaging all rolled into one neat and simple package. It's a new and easy way to discover the latest news related to subjects you care about. | Twitter | 11316811 | 85331846 | 2011-02-03 11:50:55 |
| 4 |  | Livemocha | Livemocha is the world's largest online language learning community, offering free and paid online language courses in 35 languages to more than 6 million members from over 200 countries around the world. | Livemocha | 104438 | 2196188 | 2011-02-01 14:37:30 |
| 5 |  | LiveJournal | LiveJournal (LJ) is a virtual community where Internet users can keep a blog, journal or diary. | LiveJournal | 2238731 | 14608137 | 2010-09-07 10:43:42 |
| 6 |  | Last.fm | Last.fm is a music website, founded in the United Kingdom in 2002. It has claimed over 40 million active users based in more than 190 countries. | Last.fm | 108493 | 5115300 | 2011-02-01 13:19:13 |
| 7 |  | Hyves | Hyves is the most popular social networking site in the Netherlands with mainly Dutch visitors and members and competes in this country with sites such as Facebook and MySpace. | Hyves | 1402611 | 2777419 | 2011-02-01 12:15:14 |
| 8 |  | Friendster | Friendster is a social networking website.The service allows users to contact other members, maintain those contacts, and share online content and media with those contacts. | Friendster | 100199 | 14067887 | 2011-02-03 16:02:11 |
| 9 |  | Foursquare | Foursquare is a location-based social networking website, software for mobile devices. This service is available to users with GPS enabled mobile devices, such as iPhones and Blackberries. | Foursquare | 106218 | 3473834 | 2011-02-02 12:23:22 |
| 10 |  | Flixster | Flixster is a social movie site allowing users to share movie ratings, discover new movies and meet others with similar movie taste. | Flixster | 2523386 | 9197338 | 2011-02-02 12:39:07 |
| 11 |  | Flickr | A network data set crawled from Flickr. Both the contact network and selected group membership information are included. | Flickr | 80513 | 5899882 | 2010-08-30 01:45:32 |
| 12 |  | Douban | Douban.com, launched on March 6, 2005, is a Chinese Web 2.0 website providing user review and recommendation services for movies, books, and music. | Douban | 154907 | 654188 | 2011-02-01 16:24:49 |
| 13 |  | Digg | Digg is a social news website. Prior to Digg v4, its cornerstone function consisted of letting people vote stories up or down, called digging and burying, respectively. | Digg | 116893 | 7261524 | 2011-02-01 12:35:41 |
| 14 |  | Delicious | Delicious (formerly del.icio.us, pronounced "delicious") is a social bookmarking web service for storing, sharing, and discovering web bookmarks. | Delicious | 103144 | 1419519 | 2011-02-02 12:31:16 |
| 15 |  | Buzznet | Buzznet is a photo, journal, and video-sharing social media network. | Buzznet | 101168 | 4284534 | 2011-02-01 15:39:53 |
| 16 |  | BlogCatalog | BlogCatalog is the social blog directory which manages the bloggers and their blogs. | BlogCatalog | 88784 | 4186390 | 2009-09-04 12:30:26 |
| 17 | | BlogCatalog2 | BlogCatalog is the social blog directory which manages the bloggers and their blogs. | BlogCatalog | 97884 | 2043701 | 2010-06-17 11:52:40 |
| 18 |  | BlogCatalog3 | BlogCatalog is the social blog directory which manages the bloggers and their blogs. Both the contact network and selected group membership information are included. | BlogCatalog | 10312 | 333983 | 2010-08-30 00:39:34 |
