Karthikeyan Sankaralingam Simha Sethumadhavan James C. Browne Distributed Pagerank for P2P Systems. 58-69 2003 conf/hpdc/2003 HPDC http://csdl.computer.org/comp/proceedings/hpdc/2003/1965/00/19650058abs.htm db/conf/hpdc/hpdc2003.html#SankaralingamSB03