ECHOExploratory Compendium of Humanity Online

Flixster Friendship Network (December 2010)

AnalyzedLargegraphFlixsterEntertainmentMovies & TVSocial graph

A Flixster (social movie network) dataset of 2,523,386 users and 7,918,801 friendship edges, collected by Javier Parra via Flixster crawl (December 2010). Each record contains user-user friendship edges and user IDs. The dataset is notable for its friendship network from Flixster, a social movie site where users shared ratings, discovered films, and found others with similar tastes. Intended for research into social network analysis, community detection, movie recommendation systems, and taste-based social network studies.

#Friendship network#Konect#Movie rating

Cite this dataset at flixster.echo.directory

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 2,523,386 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

2.5M
Nodes
7.9M
Edges
2.49e-06
Density
1
Components
-0.3212
Assortativity
0.0%
Reciprocity
1.5M
Bridges
Most central nodes
462460.00058
833550.00052
758070.0005
157920.00049
382230.00048
701160.00046
762720.00045
700860.00045
696670.00045
693220.00045

Computed over the full corpus.

Record

Catalog key
flixster
Authors
Parra, Javier; Zafarani, R.; Liu, H.
Year
2010
Source paper
Flixster Friendship Network Dataset
DOI / arXiv
10.1145/2487788.2488173
License
Academic Use (see Syracuse Data Lab terms) (LicenseRef-Research-Only)
Records
2,523,386
Nodes
2,523,386
Edges
7,918,801
Nodes are
user
Edges are
friendship
Attributes
nodes have no attributes; edges have no attributes
Languages
en
Collected
December 2010 (2010s)
Tasks
Recommendation (ranking) inferred
From the graph: link prediction, community detection
Region
Global (inferred: the platform is used worldwide)

Provenance

Originally published at
https://datasets.syr.edu link checked
Hosted copy
Mirrored on echo.directory on 2026-10-09, 130.4 MB across 3 files. Checksums in MANIFEST.json.

Citations

KONECT: the Koblenz network collection
Jérôme Kunegis
Journal Article · The Web Conference · 2013

1.8K
citations
highly cited
165
influential citations
9% of all citations

Cited by

Show all 10

Citation data from Semantic Scholar, retrieved 2026-10-22.

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}
}

@misc{parra2010flixster,
  title     = {{Flixster Friendship Network Dataset}},
  author    = {Parra, Javier and Zafarani, R. and Liu, H.},
  year      = {2010},
  publisher = {Data Lab, Syracuse University},
  url       = {https://datasets.syr.edu}
}

APA

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

Parra, J., Zafarani, R., & Liu, H. (2010). Flixster Friendship Network (December 2010) [Data set]. https://doi.org/10.1145/2487788.2488173

MLA

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

Parra, Javier, et al. Flixster Friendship Network (December 2010). 2010, doi.org/10.1145/2487788.2488173.

BibTeX · RIS · CSL-JSON

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