**Yahoo songs**

# Yahoo songs

## About this network

This is the bipartite person–song rating network used in the KDD Cup 2011. It contains ratings on a scale from 0 to 100 taken from Yahoo Music. This network contains over 250 million edges (i.e., ratings), and is one of the largest openly-available rating datasets.

## Network info

Code | YS |

Category | ⬤ Rating |

Data source | http://www.kdnuggets.com/2011/02/kdd-cup-2011-recommending-music.html |

Vertex type | Person |

Edge type | Rating |

Format | Bipartite |

Edge weights | Ratings |

Metadata | Timestamps |

Size | 2,626,941 = 1,625,951 + 1,000,990 vertices (persons) |

Volume | 256,804,235 edges (ratings) |

Average degree (overall) | 315.88 edges / vertex |

Average degree (left) | 256.55 edges / vertex |

Average degree (right) | 410.91 edges / vertex |

Fill | 0.00041051 edges / vertex^{2} |

Maximum degree | 468,366 edges |

Negativity | 54.1% |

Size of LCC | 1,625,951 = 1,000,990 + 624,961 vertices (network is connected) |

Relative size of LCC | 100% |

Wedge count | 4,627,224,528,654 |

Power law exponent (estimated) | 1.4031 ± 0.0003 |

Gini coefficient | 75.3% |

Relative edge distribution entropy | 87.1% |

Effective diameter | 3.0372 edges (estimated) |

Spectral norm | 1.3062 × 10^{5} |

Preferential attachment exponent | 0.73814 (ε = 3.7788) |

## Downloads

Extraction code: | yahoo-song.tar.bz2 (14.62 KiB) |