Gyöngyi, Z., Garcia-Molina, H. & Pedersen, J. (2004). Combating Web Spam with TrustRank.. VLDB (p./pp. 576-587), .

Gyöngyi, Z., Garcia-Molina, H. & Pedersen, J. (2004). Combating Web Spam with TrustRank.. VLDB (p./pp. 576-587), .