K. Selçuk Candan Wen-Syan Li Thomas Phan Minqi Zhou Frontiers in Information and Software as Services. 1761-1768 2009 ICDE http://dx.doi.org/10.1109/ICDE.2009.168 conf/icde/2009 db/conf/icde/icde2009.html#CandanLPZ09