no code implementations • 14 Apr 2022 • Simon Keizer, Norbert Braunschweiler, Svetlana Stoyanchev, Rama Doddipatla
A major bottleneck for building statistical spoken dialogue systems for new domains and applications is the need for large amounts of training data.
no code implementations • 10 Jan 2022 • Norbert Braunschweiler, Rama Doddipatla, Simon Keizer, Svetlana Stoyanchev
Models trained on mixed corpora can be more stable in mismatched contexts, and the performance reductions range from 1 to 8% when compared with single corpus models in matched conditions.
no code implementations • 9 Nov 2020 • Svetlana Stoyanchev, Simon Keizer, Rama Doddipatla
Utterance interpretation is one of the main functions of a dialogue manager, which is the key component of a dialogue system.
no code implementations • LREC 2020 • Harry Bunt, Volha Petukhova, Emer Gilmartin, Catherine Pelachaud, Alex Fang, Simon Keizer, Laurent Pr{\'e}vot
ISO standard 24617-2 for dialogue act annotation, established in 2012, has in the past few years been used both in corpus annotation and in the design of components for spoken and multimodal dialogue systems.
1 code implementation • WS 2019 • Simon Keizer, Ondřej Dušek, Xingkun Liu, Verena Rieser
We present the first complete spoken dialogue system driven by a multi-dimensional statistical dialogue manager.
1 code implementation • 31 Mar 2018 • Simon Keizer, Verena Rieser
Recent statistical approaches have improved the robustness and scalability of spoken dialogue systems.
no code implementations • EACL 2017 • Simon Keizer, Markus Guhe, Heriberto Cuay{\'a}huitl, Ioannis Efstathiou, Klaus-Peter Engelbrecht, Mihai Dobre, Alex Lascarides, Oliver Lemon
In this paper we present a comparative evaluation of various negotiation strategies within an online version of the game {``}Settlers of Catan{''}.
1 code implementation • 25 Nov 2015 • Heriberto Cuayáhuitl, Simon Keizer, Oliver Lemon
This paper describes a successful application of Deep Reinforcement Learning (DRL) for training intelligent agents with strategic conversational skills, in a situated dialogue setting.