S-ToPSS: Semantic Toronto Publish/Subscribe System.

http://www.vldb.org/conf/2003/papers/S36P06.pdf Milenko Petrovic Ioana Burcea Hans-Arno Jacobsen S-ToPSS: Semantic Toronto Publish/Subscribe System. 1101-1104 2003 VLDB db/conf/vldb/vldb2003.html#PetrovicBJ03