Badrish Chandramouli Jun Yang 0001 Pankaj K. Agarwal Albert Yu Ying Zheng ProSem: scalable wide-area publish/subscribe. 1315-1318 2008 SIGMOD Conference http://doi.acm.org/10.1145/1376616.1376764 conf/sigmod/2008 db/conf/sigmod/sigmod2008.html#ChandramouliYAYZ08