Douban
This is the social network of Douban, a Chinese online recommendation site.
The network is undirected and unweighted.
Metadata
Statistics
Size  n =  154,908

Volume  m =  327,162

Loop count  l =  0

Wedge count  s =  11,745,116

Claw count  z =  269,719,710

Cross count  x =  6,564,312,495

Triangle count  t =  40,612

Square count  q =  750,163

4Tour count  T_{4} =  53,636,092

Maximum degree  d_{max} =  287

Average degree  d =  4.223 95

Fill  p =  2.726 77 × 10^{−5}

Size of LCC  N =  154,908

Diameter  δ =  9

50Percentile effective diameter  δ_{0.5} =  4.602 48

90Percentile effective diameter  δ_{0.9} =  5.695 94

Median distance  δ_{M} =  5

Mean distance  δ_{m} =  5.100 46

Gini coefficient  G =  0.694 496

Balanced inequality ratio  P =  0.214 079

Relative edge distribution entropy  H_{er} =  0.889 699

Power law exponent  γ =  2.970 61

Tail power law exponent  γ_{t} =  2.081 00

Tail power law exponent with p  γ_{3} =  2.081 00

pvalue  p =  0.000 00

Degree assortativity  ρ =  −0.180 331

Degree assortativity pvalue  p_{ρ} =  0.000 00

Clustering coefficient  c =  0.010 373 3

Spectral norm  α =  41.968 2

Algebraic connectivity  a =  0.018 767 2

Spectral separation  λ_{1}[A] / λ_{2}[A] =  1.373 38

Nonbipartivity  b_{A} =  0.395 394

Normalized nonbipartivity  b_{N} =  0.009 618 19

Algebraic nonbipartivity  χ =  0.018 791 7

Spectral bipartite frustration  b_{K} =  0.001 112 21

Controllability  C =  137,540

Relative controllability  C_{r} =  0.887 882

Plots
Matrix decompositions plots
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]

R. Zafarani and H. Liu.
Social computing data repository at ASU, 2009.
[ http ]
