Boon Thau Loo Joseph M. Hellerstein Ryan Huebsch Scott Shenker Ion Stoica Enhancing P2P File-Sharing with an Internet-Scale Query Processor. 2004 conf/vldb/2004 VLDB db/conf/vldb/vldb2004.html#LooHHSS04 432-443 http://www.vldb.org/conf/2004/RS11P2.PDF