Evaluating Apache Cassandra as a Cloud Database by Roberto Zicari · Published November 1, 2011 · Updated February 16, 2014 DataStax white paper. DOWNLOAD (PDF)
Couchbase Server: Accelerating Database Workloads with NVM Express* September 3, 2015 by Roberto Zicari · Published September 3, 2015
Magic Quadrant for Operational Database Management Systems October 21, 2014 by Roberto Zicari · Published October 21, 2014