Aiding the Detection of Fake Accounts in Large Scale Social Online Services
We introduce a new tool in the hands of OSN operators, which we call SybilRank . It relies on social graph properties to rank users according to their perceived likelihood of being fake (Sybils). SybilRank is computationally efficient and can scale to graphs with hundreds of millions of nodes, as demonstrated by our Hadoop prototype. We deployed SybilRank in Tuenti’s operation center. We found that ∼90% of the 200K accounts that SybilRank designated as most likely to be fake, actually warranted suspension. On the other hand, with Tuenti’s current user-report-based approach only ∼5% of the inspected accounts are indeed fake.
from オモイカネ勉強会
ソーシャルグラフの特性を利用して、ユーザーを偽者(Sybils)である可能性の高さに応じてランク付けするものである。SybilRankは計算効率が高く...数億のノードを持つグラフに拡張可能