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
Column store database formats like ORC and Parquet reach new levels of performance June 15, 2016 by Roberto Zicari · Published June 15, 2016
038.02 The JDO Object Model June 1, 2001 by Roberto Zicari · Published June 1, 2001 · Last modified February 18, 2014