**MovieLens 100k**

# MovieLens 100k

## About this network

This bipartite network consists of 100,000 user–movie ratings from http://movielens.umn.edu/. Left nodes are users and right nodes are movies. An edge between a user and a movie represents a rating of the movie by the user.

## Network info

Code | M1 |

Category | ⬤ Rating |

Data source | http://www.grouplens.org/node/73 |

Vertex type | User, movie |

Edge type | Rating |

Format | Bipartite |

Edge weights | Ratings |

Metadata | Timestamps |

Size | 3,568 = 2,625 + 943 vertices (users + movies) |

Volume | 100,000 edges (ratings) |

Average degree (overall) | 76.190 edges / vertex |

Average user degree | 106.04 edges / vertex |

Average movie degree | 59.453 edges / vertex |

Fill | 0.063047 edges / vertex^{2} |

Maximum degree | 737 edges |

Negativity | 44.5% |

Wedge count | 18,367,254 |

Claw count | 1,702,768,149 |

Square count | 220,548,028 |

4-tour count | 1,838,200,228 |

Power law exponent (estimated) with d_{min} | 1.9910 (d_{min} = 39) |

Gini coefficient | 59.8% |

Relative edge distribution entropy | 92.7% |

Assortativity | –0.21572 |

Diameter | 5 edges |

90-percentile effective diameter | 3.42 edges |

Mean shortest path length | 2.75 edges |

Spectral norm | 57.801 |

Algebraic connectivity | 0.021479 |

Preferential attachment exponent | 0.93171 (ε = 3.1238) |

## Downloads

TSV file: | movielens-100k_rating.tar.bz2 (608.35 KiB) |

Extraction code: | movielens-100k.tar.bz2 (15.14 KiB) |

## References

[1] | Movielens 100k network dataset -- KONECT, April 2017. [ http ] |

[2] | GroupLens Research. MovieLens data sets. http://www.grouplens.org/node/73, October 2006. |