All necessary info can be found in the web pages of my two courses:
Business Intelligence:
https://twiki.di.uniroma1.it/twiki/view/BI/WebHome
Machine Learning
https://twiki.di.uniroma1.it/twiki/view/ApprAuto
IMPORTANT for the students of Business Intelligence and machine learning: subscribe immediately to the Google Group (as recommended on the course web page) .