Yann Busnel Anne-Marie Kermarrec PROXSEM: Interest-Based Proximity Measure to Improve Search Efficiency in P2P Systems. 62-74 2007 conf/ecumn/2007 ECUMN http://doi.ieeecomputersociety.org/10.1109/ECUMN.2007.44 db/conf/ecumn/ecumn2007.html#BusnelK07