@article {11573/1385364, title = {{Task-oriented conversational agent self-learning based on sentiment analysis}}, volume = {{2244}}, number = {{False}}, year = {2018}, pages = {4-15}, keywords = {semi-supervised learning, Task-oriented conversational agent}, {Self-learning}, doi = {{False}}, author = {Leggeri, S. and Esposito, A. and Iocchi, L.} }