no code implementations • SIGDIAL (ACL) 2022 • Thibault Cordier, Tanguy Urvoy, Fabrice Lefèvre, Lina M. Rojas-Barahona
Task-oriented dialogue systems are designed to achieve specific goals while conversing with humans.
no code implementations • 25 Oct 2021 • Matthieu Riou, Bassam Jabaian, Stéphane Huet, Fabrice Lefèvre
The analysis of these experiments gives us some insights, discussed in the paper, into the difficulty for the system's trainers to establish a coherent and constant behavioural strategy to enable a fast and good-quality training phase.
no code implementations • 25 Nov 2020 • Thibault Cordier, Tanguy Urvoy, Lina M. Rojas-Barahona, Fabrice Lefèvre
We notably propose a randomised exploration policy which allows for a seamless hybridisation of the learned policy and the expert.
no code implementations • 1 Oct 2018 • Matthieu Riou, Bassam Jabaian, Stéphane Huet, Fabrice Lefèvre
Several variants of joint learning are investigated and tested with user trials to confirm that the overall on-line learning can be obtained after only a few hundred training dialogues and can overstep an expert-based system.