@inproceedings { mendonça17, abstract = {Agents relying on large collections of interactions face the challenge of choosing an appropriate answer from such collections. Several works address this challenge by using offline learning approaches, which do not take advantage of how user-agent conversations unfold.}, address = {Cham}, booktitle = {Progress in Artificial Intelligence}, keywords = {Reinforcement Learning;Miscellaneous;Intelligent Virtual Agents;}, pages = {739--750}, publisher = {Springer International Publishing}, title = {Online Learning for Conversational Agents}, year = {2017}, author = {Vânia Mendonça and Francisco S. Melo and Luísa Coheur and Alberto Sardinha} }