Active Exploration and Parameterized Reinforcement Learning Applied to a Simulated Human-Robot Interaction Task. - Mehdi Khamassi; George Velentzas; Theodore Tsitsimis; Costas S. Tzafestas (IRC, 2017)

A Framework for Robot Learning During Child-Robot Interaction with Human Engagement as Reward Signal. - Mehdi Khamassi; Georgia Chalvatzaki; Theodore Tsitsimis; George Velentzas; Costas S. Tzafestas (RO-MAN, 2018)

Adaptive reinforcement learning with active state-specific exploration for engagement maximization during simulated child-robot interaction. - George Velentzas; Theodore Tsitsimis; Iñaki Rañó; Costas S. Tzafestas; Mehdi Khamassi (Paladyn J. Behav. Robotics, 2018)

Robot Fast Adaptation to Changes in Human Engagement During Simulated Dynamic Social Interaction With Active Exploration in Parameterized Reinforcement Learning. - Mehdi Khamassi; George Velentzas; Theodore Tsitsimis; Costas S. Tzafestas (IEEE Trans. Cogn. Dev. Syst., 2018)