Yevgen Borodin Jeffrey P. Bigham Amanda Stent I. V. Ramakrishnan Towards one world web with HearSay3. 130-131 2008 W4A http://doi.acm.org/10.1145/1368044.1368074 conf/w4a/2008 db/conf/w4a/w4a2008.html#BorodinBSR08