James Caverlee Ling Liu Daniel Rocco Discovering and ranking web services with BASIL: a personalized approach with biased focus. 153-162 2004 conf/icsoc/2004 ICSOC http://doi.acm.org/10.1145/1035167.1035190 db/conf/icsoc/icsoc2004.html#CaverleeLR04