Opinion Mining and Social Networks: A Promising Match. - Krzysztof Jedrzejewski; Mikolaj Morzy (ASONAM, 2011)

Determining Document's Semantic Orientation Using kNN Algorithm. - Krzysztof Jedrzejewski; Maurycy Zamorski (ADBIS Workshops, 2012)

Measurement Quality of Online Collaboration in Presence of Negative Relationships. - Mikolaj Morzy; Tomasz Bartkowski; Krzysztof Jedrzejewski (SocInfo Workshops, 2013)

Teacher and Learner Behaviour in an Online EFL Workbook. - Krzysztof Jedrzejewski; Mikolaj Bogucki; Mikolaj Olszewski; Jan Zwolinski; Kacper Lodzikowski (EDM, 2015)