**BibSonomy u-t**

# BibSonomy user–tag

## About this network

This is the bipartite user–tag network from BibSonomy. Each edge represents a tag assignment. The network allows multiple edge as users may use a tag for multiple documents. The network is complete as it is taken from the official BibSonomy dump.

## Network info

Code | But |

Category | ⬤ Folksonomy |

Data source | http://www.kde.cs.uni-kassel.de/bibsonomy/dumps |

Vertex type | User, tag |

Edge type | Assignment |

Format | Bipartite |

Edge weights | Multiple unweighted |

Metadata | Timestamps Entity |

Size | 216,261 = 210,467 + 5,794 vertices (users + tags) |

Volume | 2,555,080 edges (assignments) |

Unique volume | 453,987 edges (assignments) |

Average degree (overall) | 24.280 edges / vertex |

Average user degree | 440.99 edges / vertex |

Average tag degree | 12.484 edges / vertex |

Fill | 0.00038283 edges / vertex^{2} |

Maximum degree | 428,436 edges |

Wedge count | 991,843,705 |

Claw count | 4,596,638,282,952 |

Square count | 305,062,057 |

4-tour count | 6,409,052,574 |

Power law exponent (estimated) with d_{min} | 1.9610 (d_{min} = 4) |

Gini coefficient | 92.6% |

Relative edge distribution entropy | 77.2% |

Assortativity | –0.15206 |

Diameter | 12 edges |

90-percentile effective diameter | 4.01 edges |

Mean shortest path length | 4.05 edges |

Spectral norm | 62391. |

Algebraic connectivity | 0.016602 |

Preferential attachment exponent | 0.60936 (ε = 2.5277) |

## Downloads

TSV file: | bibsonomy-2ut.tar.bz2 (7.62 MiB) |