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KONECT > Networks > Stack Overflow

Stack Overflow

About this network

This is the bipartite Stack Overflow favorite network. Stack Overflow is the main question and answer website of the Stack Exchange Network. The nodes represent users and posts. An undirected, unweighted edge denotes that a user has marked a post as a favorite.

Network info

CodeSO
Category Rating
Data source http://www.clearbits.net/torrents/1881-dec-2011
Vertex type User, post
Edge type Favorite
FormatBipartite: Edges connect two types of nodes Bipartite
Edge weightsUnweighted: Simple edges Unweighted
Metadata Timestamps:  Edges are annotated with a timestamps Timestamps
Size1,187,072 = 641,876 + 545,196 vertices (users + posts)
Volume1,301,942 edges (favorites)
Average degree (overall)4.0567 edges / vertex
Average user degree2.3880 edges / vertex
Average post degree13.467 edges / vertex
Fill2.47 10–5 edges / vertex2
Maximum degree6,119 edges
Wedge count205,586,615
Claw count168,997,476,966
Square count18,293,548
4-tour count971,310,588
Power law exponent (estimated) with dmin2.0110 (dmin = 1)
Gini coefficient70.6%
Relative edge distribution entropy89.1%
Assortativity–0.039986
Diameter20 edges
90-percentile effective diameter6.42 edges
Mean shortest path length5.58 edges
Spectral norm99.977
Algebraic connectivity0.013941
Preferential attachment exponent0.71022 (ε = 4.2594)
Temporal distribution of the Stack Overflow network
Temporal distribution
User degree distribution of the Stack Overflow network
User degree distribution
Post degree distribution of the Stack Overflow network
Post degree distribution
User degree distribution of the Stack Overflow network
User degree distribution
Post degree distribution of the Stack Overflow network
Post degree distribution
Degree distribution of the Stack Overflow network
Degree distribution
User degree distribution of the Stack Overflow network
User degree distribution
Post degree distribution of the Stack Overflow network
Post degree distribution
Distance distribution of the Stack Overflow network
Distance distribution
Distance distribution on a logistic scale of the Stack Overflow network
Distance distribution on a logistic scale
Spectral distribution of the eigenvalues of A of the Stack Overflow network
Spectral distribution of the eigenvalues of A
Spectral distribution of the eigenvalues of N of the Stack Overflow network
Spectral distribution of the eigenvalues of N
Spectral distribution of the eigenvalues of L of the Stack Overflow network
Spectral distribution of the eigenvalues of L
Cumulative spectral distribution of A of the Stack Overflow network
Cumulative spectral distribution of A
Cumulative spectral distribution of N of the Stack Overflow network
Cumulative spectral distribution of N
Cumulative spectral distribution of L of the Stack Overflow network
Cumulative spectral distribution of L

Downloads

TSV file:downloadstackexchange-stackoverflow.tar.bz2 (6.09 MiB)
Extraction code:downloadstackexchange.tar.bz2 (14.89 KiB)

References

[1] Stack overflow network dataset -- KONECT, April 2017. [ http ]
[2] Stack Exchange Inc. Stack exchange data explorer. http://data.stackexchange.com/, 2011.

BibTeX