Delicious tag–item

This network contains tag–URL relations from http://delicious.com/. Left nodes represent tags, right nodes represent URLs and an edge shows that a URL was tagged with a tag.

Metadata

CodeDti
Internal namedelicious-ti
NameDelicious tag–item
Data sourcehttp://dai-labor.de/IRML/datasets
AvailabilityDataset is available for download
Consistency checkDataset passed all tests
Category
Feature network
Node meaningTag, URL
Edge meaningTag assignment
Network formatBipartite, undirected
Edge typeUnweighted, multiple edges
Temporal data Edges are annotated with timestamps
Snapshot Is a snapshot and likely to not contain all data

Statistics

Size n =38,289,740
Left size n1 =4,511,972
Right size n2 =33,777,768
Volume m =301,183,605
Unique edge count m̿ =137,240,382
Wedge count s =6,122,567,080,440
Claw count z =899,959,427,749,358,592
Cross count x =1.464 61 × 1023
Maximum degree dmax =4,358,622
Maximum left degree d1max =4,358,622
Maximum right degree d2max =100,623
Average degree d =15.731 8
Average left degree d1 =66.752 1
Average right degree d2 =8.916 62
Fill p =9.005 02 × 10−7
Average edge multiplicity m̃ =2.194 57
Size of LCC N =37,307,789
Diameter δ =26
50-Percentile effective diameter δ0.5 =3.846 86
90-Percentile effective diameter δ0.9 =5.348 70
Mean distance δm =4.549 22
Gini coefficient G =0.888 999
Balanced inequality ratio P =0.128 759
Left balanced inequality ratio P1 =0.045 446 5
Right balanced inequality ratio P2 =0.191 702
Relative edge distribution entropy Her =0.704 929
Power law exponent γ =4.557 04
Degree assortativity ρ =−0.048 865 6
Degree assortativity p-value pρ =0.000 00
Spectral norm α =29,314.6

Plots

Degree distribution

Cumulative degree distribution

Lorenz curve

Spectral distribution of the adjacency matrix

Spectral distribution of the normalized adjacency matrix

Spectral distribution of the Laplacian

Spectral graph drawing based on the adjacency matrix

Spectral graph drawing based on the normalized adjacency matrix

Degree assortativity

Hop distribution

Edge weight/multiplicity distribution

Temporal distribution

Downloads

References

[1] Jérôme Kunegis. KONECT – The Koblenz Network Collection. In Proc. Int. Conf. on World Wide Web Companion, pages 1343–1350, 2013. [ http ]
[2] Robert Wetzker, Carsten Zimmermann, and Christian Bauckhage. Analyzing social bookmarking systems: A del.icio.us cookbook. In Proc. Mining Soc. Data Workshop, pages 26–30, 2008.