Andreas M. Boehm Dietmar Seipel Albert Sickmann Matthias Wetzka Squash: A Tool for Analyzing, Tuning and Refactoring Relational Database Applications. 82-98 2007 INAP/WLP http://dx.doi.org/10.1007/978-3-642-00675-3_6 conf/wlp/2007 db/conf/wlp/wlp2007.html#BoehmSSW07