Matthew Harren Joseph M. Hellerstein Ryan Huebsch Boon Thau Loo Scott Shenker Ion Stoica Complex Queries in DHT-based Peer-to-Peer Networks. 242-259 2002 conf/iptps/2002 IPTPS http://link.springer.de/link/service/series/0558/bibs/2429/24290242.htm db/conf/iptps/iptps2002.html#HarrenHHLSS02