Approaches to Data Modeling in Non-Relational Systems Using Apache Cassandra by Roberto Zicari · Published September 1, 2010 · Updated February 16, 2014 Gary Dusbabek, Rackspace Presentation slides presented at ICOODB Frankfurt 2010. DOWNLOAD (PDF)
Gartner Magic Quadrant for Operational DBMS 2015 October 16, 2015 by Roberto Zicari · Published October 16, 2015
The Forrester Wave™: NoSQL Document Databases, Q3 2014 October 6, 2014 by Roberto Zicari · Published October 6, 2014
The Forrester WaveTM: Big Data NoSQL, Q1 2019 March 19, 2019 by Roberto Zicari · Published March 19, 2019