Boon Thau Loo Tyson Condie Minos N. Garofalakis David E. Gay Joseph M. Hellerstein Petros Maniatis Raghu Ramakrishnan Timothy Roscoe Ion Stoica Declarative networking: language, execution and optimization. 97-108 2006 conf/sigmod/2006 SIGMOD Conference http://doi.acm.org/10.1145/1142473.1142485 db/conf/sigmod/sigmod2006.html#LooCGGHMRRS06