Programming Pig by Roberto Zicari · Published November 1, 2012 · Updated November 3, 2013 by Alan Gates LINK (free online version)
Natural Language Processing for Social Media June 20, 2016 by Roberto Zicari · Published June 20, 2016
Behavior Trees in Robotics and Al: An Introduction 1st Edition December 14, 2018 by Roberto Zicari · Published December 14, 2018