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)
Using Object Database db4o as Storage Provider in Voldemort September 1, 2010 by Roberto Zicari · Published September 1, 2010 · Last modified February 16, 2014
Pure Storage, Couchbase, and Node.js User Profile Store December 21, 2014 by Roberto Zicari · Published December 21, 2014
Couchbase: Understanding group_level in View Queries with Couchbase Server 2.0 January 1, 2013 by Roberto Zicari · Published January 1, 2013 · Last modified February 16, 2014