A Recommender System Based on Customer Reviews Mining. - Pawel Ladyzynski; Przemyslaw Grzegorzewski (ICAISC (2), 2014)

On Incomplete Label Ranking with IF-sets. - Pawel P. Ladyzynski; Przemyslaw Grzegorzewski (SMPS, 2014)

Vague preferences in recommender systems. - Pawel Ladyzynski; Przemyslaw Grzegorzewski (Expert Syst. Appl., 2015)