Couchbase customer presentations (LinkedIn, Orbitz, McGraw-Hill, and others.) by Roberto Zicari · Published January 1, 2013 · Updated February 16, 2014 How they are using Couchbase at their organizations. You can view them here: LINK
NoSQL Database Technology March 1, 2011 by Roberto Zicari · Published March 1, 2011 · 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
Inside MarkLogic Server. Its data model, indexing system, update model, and operational behaviors. Revision 6 January 1, 2011 by Roberto Zicari · Published January 1, 2011 · Last modified February 16, 2014