Reinforcement Learning Page Prediction for Hierarchically Ordered Municipal Websites. - Petri Puustinen; Kostas Stefanidis; Jaana Kekäläinen; Marko Junkkari (Inf., 2021)

STracker: A framework for identifying sentiment changes in customer feedbacks. - Petri Puustinen; Maria Stratigi; Kostas Stefanidis (Inf. Syst., 2025)