Jacek Małyszko participated in the BIR2011 conference (Perspectives in Business Informatics Reseach). The conference took place on October 6-8 in Riga, Latvia. During the conference, he presented paper “Discovering of Users’ Interests Evolution Patterns for Learning Goals Recommendation” written by DIS members: Witold Abramowicz, Jacek Małyszko and Dawid Węckowski.