Back-off action selection in summary space-based POMDP dialogue systems.
Milica GasicFabrice LefèvreFilip JurcícekSimon KeizerFrançois MairesseBlaise ThomsonKai YuSteve J. YoungPublished in: ASRU (2009)
Keyphrases
- action selection
- dialogue system
- human robot
- reinforcement learning
- action space
- basal ganglia
- continuous state
- dialogue management
- belief space
- robot soccer
- mixed initiative
- natural language
- machine learning
- dynamical systems
- state space
- dialogue games
- spoken dialogue systems
- action selection mechanism
- decision making
- markov decision processes
- markov decision process
- language understanding
- partially observable markov decision processes
- temporal difference
- long run
- knowledge acquisition
- tutorial dialogue
- cooperative
- knowledge base