  In this extended abstract, we propose an intelligent system that can be used
as a Personalized Virtual Teaching Assistant (PVTA) to improve the students
learning experience both for online and on-site courses. We show the
architecture of such system, which is composed of an instance of IBM Watson
Assistant and a server, and present an initial implementation, consisting in a
chatbot that can be questioned about the content and the organization of the
RecSys course, an introductory course on recommender systems.
