Sign Prediction on Social Networks Based Nodal Features

Table 8

Statistics of bi-directed edges.

	Epinions	Slashdot	Wikipedia
{+1, +1}	97.11%	88.36%	90.54%
{−1, −1}	1.84%	9.60%	3.29%
{+1, −1}	1.05%	2.04%	6.17%