Unsupervised Negative Link Prediction in Signed Social Networks

Table 1

Statistics of the datasets.

	Epinions	Slashdot
# of user	7323	54052
# of Positive Link	118739	404153
# of Negative Link	19629	112307
Positive Network Density	0.0022	0.00014
Negative Network Density	0.00037	0.00004