Arxiv ASTRO-PH (Astro Physics) collaboration network is from the e-print arXiv and covers scientific collaborations between authors papers submitted to Astro Physics category. If an author *i* co-authored a paper with author *j*, the graph contains a undirected edge from *i* to *j*. If the paper is co-authored by *k* authors this generates a completely connected (sub)graph on *k* nodes.

The data covers papers in the period from January 1993 to April 2003 (124 months). It begins within a few months of the inception of the arXiv, and thus represents essentially the complete history of its ASTRO-PH section.

Dataset statistics | |
---|---|

Nodes | 18772 |

Edges | 198110 |

Nodes in largest WCC | 17903 (0.954) |

Edges in largest WCC | 197031 (0.995) |

Nodes in largest SCC | 17903 (0.954) |

Edges in largest SCC | 197031 (0.995) |

Average clustering coefficient | 0.6306 |

Number of triangles | 1351441 |

Fraction of closed triangles | 0.1345 |

Diameter (longest shortest path) | 14 |

90-percentile effective diameter | 5 |

- J. Leskovec, J. Kleinberg and C. Faloutsos. Graph Evolution: Densification and Shrinking Diameters. ACM Transactions on Knowledge Discovery from Data (ACM TKDD), 1(1), 2007.

File | Description |
---|---|

ca-AstroPh.txt.gz | Collaboration network of Arxiv Astro Physics category |