Alexander Klemm Christoph Lindemann Mary K. Vernon Oliver P. Waldhorst Characterizing the query behavior in peer-to-peer file sharing systems. 55-67 2004 conf/imc/2004 Internet Measurement Conference http://doi.acm.org/10.1145/1028788.1028796 db/conf/imc/imc2004.html#KlemmLVW04