Incorporating Deviation-Detection Functionality into the OLAP Paradigm. - Carem C. Fabris; Alex Alves Freitas (SBBD, 2001)

Discovering Surprising Instances of Simpson's Paradox in Hierarchical Multidimensional Data. - Carem C. Fabris; Alex Alves Freitas (Int. J. Data Warehous. Min., 2006)