Pedro Bizarro Shivnath Babu David J. DeWitt Jennifer Widom Content-Based Routing: Different Plans for Different Data. 757-768 2005 conf/vldb/2005 VLDB http://www.vldb2005.org/program/paper/thu/p757-bizarro.pdf db/conf/vldb/vldb2005.html#BizarroBDW05