Approaches to Adding Persistence to Java by Roberto Zicari · Published January 1, 1996 · Updated February 19, 2014 Eliot Moss, Antony Hosking LINK (PDF)
Java Object Persistence February 19, 2014 by Roberto Zicari · Published February 19, 2014 · Last modified March 2, 2014
Column store database formats like ORC and Parquet reach new levels of performance June 15, 2016 by Roberto Zicari · Published June 15, 2016
Oscillating Between Objects and Relational: The Impedance Mismatch January 1, 2002 by Roberto Zicari · Published January 1, 2002 · Last modified February 16, 2014