“Taming a Terabyte of XML Data” by Roberto Zicari · Published January 1, 2009 · Updated February 16, 2014 Augustin, Gonzales, Matthias Nicola, IBM Silicon Valley Lab. LINK DOWNLOAD (PDF)
The Benefits of Data Modeling in Business Inteligence January 1, 2011 by Roberto Zicari · Published January 1, 2011 · Last modified February 16, 2014