Libimseti.cz

Libimseti.cz (also spelled Líbímseti.cz; from Czech Líbím se ti, "Do you like me") is a Czech dating site. This is the network of ratings given by users of Libimseti.cz to other users. The network is unipartite, directed, and edges represent ratings on a scale from 1 to 10.

Metadata

CodeLI
Internal namelibimseti
NameLibimseti.cz
Data sourcehttp://www.occamslab.com/petricek/data/
Consistency checkDataset passed all tests
Category
Online social network
Node meaningUser
Edge meaningRating
Network formatUnipartite, directed
Edge typeRatings, no multiple edges
ReciprocalContains reciprocal edges
Directed cyclesContains directed cycles
LoopsDoes not contain loops

Statistics

Size n =220,970
Volume m =17,359,346
Average degree d =157.119
Maximum degree dmax =33,389
Maximum outdegree d+max =25,042
Maximum indegree dmax =33,389
Fill p =0.000 355 524
Negativity ζ =0.478 986
Wedge count s =28,261,600,655
Claw count z =82,085,727,142,249
Cross count x =328,616,649,550,852,928
Size of LCC N =220,970
Relative size of LCC Nrel =1.000 00
Size of LSCC Ns =81,145
Relative size of LSCC Nrels =0.367 222
Degree assortativity ρ =−0.138 967
Degree assortativity p-value pρ =0.000 00
In/outdegree correlation ρ± =−0.053 936 3
Spectral norm ‖A‖2 =1,127.41
Gini coefficient G =0.710 031
Power law exponent γ =1.267 38
Tail power law exponent γt =1.911 00
Relative edge distribution entropy Her =0.905 698
Clustering coefficient c =0.007 336 70
Triangle count t =69,115,603
Diameter δ =6
50-Percentile effective diameter δ0.5 =2.383 02
90-Percentile effective diameter δ0.9 =3.088 97
Mean distance δm =2.853 61
Reciprocity y =0.014 539 9
4-Tour count T4 =2,130,083,301,436
Square count q =252,125,304,066

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

Zipf plot

Hop distribution

Item rating evolution

Edge weight/multiplicity distribution

Clustering coefficient distribution

SynGraphy

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] Jérôme Kunegis, Gerd Gröner, and Thomas Gottron. Online dating recommender systems: The split-complex number approach. In Proc. RecSys Workshop on Recomm. Syst. and the Soc. Web, pages 37–44, 2012.
[3] Lukáš Brožovský and Václav Petříček. Recommender system for online dating service. In Proc. Znalosti, pages 29–40, 2007.