Raúl Gracia Tinedo Pedro García López Marc Sánchez Artigas Sophia: Local Trust for Securing Routing in DHTs. 372-381 2011 CCGRID http://dx.doi.org/10.1109/CCGrid.2011.57 conf/ccgrid/2011 db/conf/ccgrid/ccgrid2011.html#TinedoLS11