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
Gartner Magic Quadrant for Operational DBMS 2015 October 16, 2015 by Roberto Zicari · Published October 16, 2015