Object-Oriented Programming Concepts by Roberto Zicari · Published November 10, 2013 · Updated November 10, 2013 Sun, The Java Tutorial A great tutorial to get acquainted with OOP. LINK
Amos II September 1, 2005 by Roberto Zicari · Published September 1, 2005 · Last modified February 18, 2014
Column store database formats like ORC and Parquet reach new levels of performance June 15, 2016 by Roberto Zicari · Published June 15, 2016