Krishna Bharat Bay-Wei Chang Monika Rauch Henzinger Matthias Ruhl Who Links to Whom: Mining Linkage between Web Sites. 51-58 2001 conf/icdm/2001 ICDM http://doi.ieeecomputersociety.org/10.1109/ICDM.2001.989500 db/conf/icdm/icdm2001.html#BharatCHR01