José-Luis Zechinelli-Martini Thierry Delot Sergio Ilarri Adaptively Brokering Continuous Queries for Exploiting Streams. 179-187 2008 ENC http://dx.doi.org/10.1109/ENC.2008.33 conf/enc/2008 db/conf/enc/enc2008.html#Zechinelli-MartiniDI08