Boris Jan Bonfils Philippe Bonnet Adaptive and Decentralized Operator Placement for In-Network Query Processing. 47-62 2003 conf/ipsn/2003 IPSN http://link.springer.de/link/service/series/0558/bibs/2634/26340047.htm db/conf/ipsn/ipsn2003.html#BonfilsB03