Bernardino Romera-Paredes Andreas Argyriou Nadia Berthouze Massimiliano Pontil Exploiting Unrelated Tasks in Multi-Task Learning. 951-959 2012 22 Journal of Machine Learning Research - Proceedings Track http://jmlr.csail.mit.edu/proceedings/papers/v22/romera12.html db/journals/jmlr/jmlrp22.html#Romera-ParedesABP12