Last.fm Social Network Dataset (WSDM 2010)
A Last.fm dataset of 976741 users, 3151283 friendships, 10.9M annotations, collected by Kompan and Bielikova, first half of 2009. Each record contains user friendship graph, user-item-tag annotations, group membership, neighbourhood scores. Last.fm social network with 99k users, 10.9M music annotations, 281k tags, and 66k groups from H1 2009.. Suitable for Social influence analysis, music recommendation, tag-based community detection..
Cite this dataset at
osome-lastfm.echo.directory
Analytics
The full graph has 976,741 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.
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Sampled: text metrics from 50K of 281.8K records; topic model from 20K.
Record
- Catalog key
osome-lastfm- Authors
- Schifanella, Rossano; Barrat, Alain; Cattuto, Ciro; Markines, Benjamin; Menczer, Filippo
- Year
- 2010
- Source paper
- Folks in Folksonomies: social link prediction from shared metadata
- DOI / arXiv
- 10.1145/1718487.1718521
- License
- Creative Commons Attribution 4.0 International (CC BY 4.0) (CC-BY-4.0)
- Records
- 976,741
- Nodes
- 976,741
- Edges
- 3,151,283
- Attributes
- nodes have no attributes; edges have no attributes
- Languages
- en
- Collected
- 2009-01/2009-06 (2000s)
- Tasks
- Recommendation (ranking) inferred
From the graph: link prediction, community detection - Region
- Global (inferred: the platform is used worldwide)
Provenance
- Originally published at
- https://zenodo.org/records/4589071 link checked
- Hosted copy
- Mirrored on echo.directory on 2026-10-02, 120.7 MB across 1 files. Checksums in MANIFEST.json.
Citations
Folks in Folksonomies: social link prediction from shared metadata
R. Schifanella, A. Barrat, C. Cattuto, Benjamin Markines, F. Menczer
Journal Article · Web Search and Data Mining · 2010
Cited by
- SIMPATH: An Efficient Algorithm for Influence Maximization under the Linear Threshold Model
Amit Goyal, Wei Lu et al. · 2011 IEEE 11th International Conference on Data Mining · 2011 · cited 548× - Inferring social ties from geographic coincidences
David J. Crandall, Lars Backstrom et al. · Proceedings of the National Academy of Sciences of the United States of America · 2010 · cited 501× - Friendship prediction and homophily in social media
L. Aiello, A. Barrat et al. · TWEB · 2012 · cited 445× - Web Data Extraction, Applications and Techniques: A Survey
Emilio Ferrara, Pasquale De Meo et al. · Knowledge-Based Systems · 2012 · cited 414× - Toward link predictability of complex networks
Lin-Yuan Lu, Li-Ming Pan et al. · Proceedings of the National Academy of Sciences of the United States of America · 2015 · cited 405×
Show all 10
- Social Network Analysis and Mining for Business Applications
F. Bonchi, Carlos Castillo et al. · TIST · 2011 · cited 357× - Learning Algorithms for the Classification Restricted Boltzmann Machine
H. Larochelle, Michael I. Mandel et al. · Journal of machine learning research · 2012 · cited 325× - Social Ties and User Content Generation: Evidence from Flickr
Xiao-Hua Zeng, Liyuan Wei · Information systems research · 2013 · cited 197× - Fast and accurate link prediction in social networking systems
Alexis Papadimitriou, P. Symeonidis et al. · Journal of Systems and Software · 2012 · cited 186× - Social dynamics of Digg
T. Hogg, Kristina Lerman · EPJ Data Science · 2010 · cited 167×
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}
}
@inproceedings{Schifanella_2010,
series = {WSDM′10},
title = {Folks in Folksonomies: social link prediction from shared metadata},
url = {http://dx.doi.org/10.1145/1718487.1718521},
doi = {10.1145/1718487.1718521},
booktitle = {Proceedings of the third ACM international conference on Web search and data mining},
publisher = {ACM},
author = {Schifanella, Rossano and Barrat, Alain and Cattuto, Ciro and Markines, Benjamin and Menczer, Filippo},
year = {2010},
month = Feb,
pages = {271–280},
collection = {WSDM′10}
} APA
Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory
Schifanella, R., Barrat, A., Cattuto, C., Markines, B., & Menczer, F. (2010). Last.fm Social Network Dataset (WSDM 2010) [Data set]. https://doi.org/10.1145/1718487.1718521
MLA
Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.
Schifanella, Rossano, et al. Last.fm Social Network Dataset (WSDM 2010). 2010, doi.org/10.1145/1718487.1718521.