Distributed Data Management with VMware vFabric GemFire by Roberto Zicari · Published January 1, 2012 · Updated February 16, 2014 VMware. DOWNLOAD (PDF)
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
2013 Gartner Magic Quadrant for Operational Database Management Systems . March 23, 2014 by Roberto Zicari · Published March 23, 2014 · Last modified July 25, 2014
NoSQL in the Enterprise August 1, 2011 by Roberto Zicari · Published August 1, 2011 · Last modified February 16, 2014