signed network datasets

They are signed network datasets from the SNAP group, including Bitcoin-alpha, Bitcoin-OTC, Slashdot and Epinions. The datasets have been popularly used in a great many signed network embedding algorithms.Bitcoin-alpha is a who-trust-whom Bitcoin-Alpha trading network, where the users give trust or distrust tags to others for the sake of security.Bitcoin-OTC is a who-trust-whom Bitcoin-OTC trading network, where the users give trust or distrust tags to others for the sake of security.Slashdot is a news website that covers technology, science and culture. The users are allowed to tag each other as friends or foes.Epinions is a who-trust-whom online social network from the consumer review site. The users decide whether to trust each other.