Carson Kai-Sang Leung Mark Anthony F. Mateo Andrew J. Nadler An EffectiveMulti-Layer Model for Controlling the Quality of Data. 28-36 2007 conf/ideas/2007 IDEAS http://doi.ieeecomputersociety.org/10.1109/IDEAS.2007.12 db/conf/ideas/ideas2007.html#LeungMN07