Welcome to Apache Cassandra 1.0. by Roberto Zicari · Published October 1, 2011 · Updated February 16, 2014 DataStax white paper for Architects, Developers and IT Managers. DOWNLOAD (PDF)
Building Content-Driven Apps March 1, 2013 by Roberto Zicari · Published March 1, 2013 · Last modified February 16, 2014
Review of Couchbase Live Europe-London,UK 23 March February 8, 2015 by Roberto Zicari · Published February 8, 2015 · Last modified March 26, 2015
Optimizing MongoDB with Fractal Tree Indexes January 1, 2012 by Roberto Zicari · Published January 1, 2012 · Last modified April 8, 2014