Sung-Ryul Kim Effcient Sequential and Parallel Algorithms for Popularity Computation on the World Wide Web with Applications against Spamming. 367-375 http://dx.doi.org/10.1007/978-3-540-24767-8_38 2004 conf/iccsa/2004-3 ICCSA (3) db/conf/iccsa/iccsa2004-3.html#Kim04b