Jan Pedersen Papers on DiSC'04 An Analysis of Multimedia Searching on Alta Vista Publications Note: Links lead to the DBLP on the Web. Jan Pedersen Zoltan Gyongyi , Hector Garcia-Molina , Jan Pedersen: Combating Web Spam with TrustRank. VLDB 2004 1 [ 1 ] 2 [ 1 ] ©2004 Association for Computing Machinery