Facebook Indiana69 Network (FB100)

A Facebook (Indiana69, September 2005) dataset of 29,747 users and 1,305,765 friendship edges, collected by Traud, Mucha & Porter via Facebook network snapshots. Each record contains node attributes: gender (54% male, 46% female), graduation year, major (152 unique), dorm (97 unique), student/faculty status; undirected friendship edges. One of 100 university Facebook networks from Sept 2005, each with rich demographic node attributes enabling homophily and community structure analysis. Gender homophily: 0.0151, major homophily: 0.0436.. Suitable for community detection with node attributes, homophily analysis, demographic network structure, university social dynamics.

#College student#Fb100#Friendship network#Homophily#Node attribute#University

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 29,747 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

29.7K
Nodes
1.3M
Edges
2.95e-03
Density
8
Components
0.1329
Assortativity
0.0%
Reciprocity
556
Bridges
Most central nodes
175360.04565
201640.03916
96210.03795
57080.0355
268070.03442
286090.03335
151090.03298
151600.03214
48770.02972
170670.028
Content metrics

29,743 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

genderμ 1.462 ± 0.498
min 1max 2
roleavg 1.31 / 6
1std 0.856
graduation yearμ 2K ± 1.601
min 2Kmax 2K
major idμ 302.373 ± 41.117
min 235max 387
dorm idμ 111.622 ± 28.87
min 75max 181

Computed over the full corpus.

Record

Catalog key
fb100-indiana69
Authors
Traud, Amanda L.; Mucha, Peter J.; Porter, Mason A.
Year
2012
Source paper
Social Structure of Facebook Networks
DOI / arXiv
10.1016/j.physa.2011.12.021
License
Unknown
Records
29,747
Nodes
29,747
Edges
1,305,765
Nodes are
user
Edges are
friendship
Attributes
nodes have attributes; edges have no attributes
Languages
en
Collected
2005 (2000s)
Tasks
Node classification (binary; gender, role) inferred
From the graph: link prediction, community detection
Region
Global (inferred: the platform is used worldwide)

Provenance

Originally published at
https://archive.org/details/oxford-2005-facebook-matrix link checked
Hosted copy
Mirrored on echo.directory on 2026-10-09, 6.0 MB across 1 files. Checksums in MANIFEST.json.

How to cite

BibTeX

@misc{echo2026,
  title  = {ECHO: Exploratory Compendium of Humanity Online},
  author = {Switzer, Braden and Zafarani, Reza},
  year   = {2026},
  url    = {https://echo.directory},
  note   = {Syracuse University}
}

@article{traud2012social,
  title     = {Social structure of {Facebook} networks},
  author    = {Traud, Amanda L and Mucha, Peter J and Porter, Mason A},
  journal   = {Physica A: Statistical Mechanics and its Applications},
  volume    = {391},
  number    = {16},
  pages     = {4165--4180},
  year      = {2012},
  publisher = {Elsevier}
}

APA

Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory

Traud, A. L., Mucha, P. J., & Porter, M. A. (2012). Facebook Indiana69 Network (FB100) [Data set]. https://doi.org/10.1016/j.physa.2011.12.021

MLA

Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.

Traud, Amanda L., et al. Facebook Indiana69 Network (FB100). 2012, doi.org/10.1016/j.physa.2011.12.021.

BibTeX · RIS · CSL-JSON

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