Don't Do What Doesn't Matter: Intrinsic Motivation with Action Usefulness

Seurin, Mathieu; Strub, Florian; Preux, Philippe; Pietquin, Olivier

Document type :

Communication dans un congrès avec actes

Title :

Don't Do What Doesn't Matter: Intrinsic Motivation with Action Usefulness

Author(s) :

Seurin, Mathieu [Auteur]
Scool [Scool]
Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 [CRIStAL]
Université de Lille
Centrale Lille
Strub, Florian [Auteur]
DeepMind [London]
Preux, Philippe [Auteur]
Scool [Scool]
Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 [CRIStAL]
Université de Lille
Centrale Lille
Pietquin, Olivier [Auteur]
Google Research [Paris]

Conference title :

Internationnal Joint Conference on Artificial Intelligence (IJCAI)

City :

Montreal

Country :

Canada

Start date of the conference :

2021-08-21

Book title :

Proc. Internationnal Joint Conference on Artificial Intelligence (IJCAI)

HAL domain(s) :

Informatique [cs]/Apprentissage [cs.LG]

English abstract : [en]

Sparse rewards are double-edged training signals in reinforcement learning: easy to design but hard to optimize. Intrinsic motivation guidances have thus been developed toward alleviating the resulting exploration problem. ...
Show more >Sparse rewards are double-edged training signals in reinforcement learning: easy to design but hard to optimize. Intrinsic motivation guidances have thus been developed toward alleviating the resulting exploration problem. They usually incentivize agents to look for new states through novelty signals. Yet, such methods encourage exhaustive exploration of the state space rather than focusing on the environment's salient interaction opportunities. We propose a new exploration method, called Don't Do What Doesn't Matter (DoWhaM), shifting the emphasis from state novelty to state with relevant actions. While most actions consistently change the state when used, e.g. moving the agent, some actions are only effective in specific states, e.g., opening a door, grabbing an object. DoWhaM detects and rewards actions that seldom affect the environment. We evaluate DoWhaM on the procedurallygenerated environment MiniGrid, against state-ofthe-art methods. Experiments consistently show that DoWhaM greatly reduces sample complexity, installing the new state-of-the-art in MiniGrid.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Collections :

Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189

Source :

Harvested from HAL

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