**Facebook (WOSN)**

# Facebook friendships

## About this network

This undirected network contains friendship data of Facebook users. A node represents a user and an edge represents a friendship between two users. The dataset is obviously not complete and contains a very small subset of the total Facebook friendship graph.

## Network info

Code | Ol |

Category | ⬤ Social |

Data source | http://socialnetworks.mpi-sws.org/data-wosn2009.html |

Vertex type | User |

Edge type | Friendship |

Format | Undirected |

Edge weights | Unweighted |

Metadata | Timestamps Incomplete |

Size | 63,731 vertices (users) |

Volume | 817,035 edges (friendships) |

Average degree | 25.640 edges / vertex |

Fill | 0.00040232 edges / vertex^{2} |

Maximum degree | 1,098 edges |

Size of LCC | 63,392 vertices |

Wedge count | 71,097,140 |

Claw count | 4,499,481,578 |

Triangle count | 3,500,542 |

Square count | 151,719,237 |

4-tour count | 1,499,776,526 |

Power law exponent (estimated) with d_{min} | 2.9410 (d_{min} = 58) |

Gini coefficient | 64.3% |

Relative edge distribution entropy | 93.1% |

Assortativity | 0.17702 |

Clustering coefficient | 14.8% |

Diameter | 15 edges |

90-percentile effective diameter | 4.97 edges |

Mean shortest path length | 4.31 edges |

Spectral norm | 132.57 |

Algebraic connectivity | 0.046404 |

Preferential attachment exponent | 0.51657 (ε = 6.0943) |

## Downloads

TSV file: | facebook-wosn-links.tar.bz2 (4.32 MiB) |

Extraction code: | facebook-wosn.tar.bz2 (15.28 KiB) |

RDF: | facebook-wosn-links.n3.bz2 (4.51 MiB) |