Embedding knowledge in reinforcement learning

G Hailu, G Sommer - ICANN 98: Proceedings of the 8th International …, 1998 - Springer
In almost all real systems where reinforcement learning is applied, it is found that a
knowledge free approach doesn't work. The basic RL algorithms must sufficiently be biased …

[PDF][PDF] Scaling up reinforcement learning with a relational representation

EF Morales - Proc. of the Workshop on Adaptability in Multi-agent …, 2003 - Citeseer
Reinforcement learning has been repeatedly suggested as good candidate for learning in
robotics. However, the large search spaces normally occurring robotics and expensive …

Learning by biasing

G Hailu, G Sommer - … on Robotics and Automation (Cat. No …, 1998 - ieeexplore.ieee.org
In the quest for machines that are able to learn, reinforcement learning (RL) is found to be an
appealing learning methodology. A known problem in this learning method, however is that …

Reduction of learning time for robots using automatic state abstraction

M Asadpour, MN Ahmadabadi, R Siegwart - … Robotics Symposium 2006, 2006 - Springer
The required learning time and curse of dimensionality restrict the applicability of
Reinforcement Learning (RL) on real robots. Difficulty in inclusion of initial knowledge and …

[PDF][PDF] Switching between different state representations in reinforcement learning

H Van Seijen, B Bakker, L Kester - Proceedings of the 26th …, 2008 - researchgate.net
This paper proposes a reinforcement learning architecture containing multiple “experts”,
each of which is a specialist in a different region in the overall state space. The central idea …

Controlled use of subgoals in reinforcement learning

J Murata - Robotics, automation and control, book, 2008 - books.google.com
Reinforcement learning (Kaelbling et al., 1996; Sutton & Barto, 1998) is a machine learning
technique that automatically acquires a good action policy, ie a mapping from the current …

Integrating symbolic knowledge in reinforcement learning

G Hailu, G Sommer - … on Systems, Man, and Cybernetics (Cat …, 1998 - ieeexplore.ieee.org
A tabula rasa learning technique has worked well in well defined grid like problems (Barto et
al., 1993). Nevertheless, it has severe limitations when applied in complex domains. In order …

[PDF][PDF] Learning robot control-using control policies as abstract actions

M Huber, RA Grupen - Proceedings of the NIPS'98 Workshop on …, 1998 - Citeseer
Autonomous robot systems operating in an uncertain environment have to be able to cope
with new situations and task requirements. Important properties of the control architecture of …

[PDF][PDF] Module based reinforcement learning for a real robot

Z Kalmar, C Szepesvari, A Lörincz - … of the Sixth European Workshop on …, 1997 - ualberta.ca
The behaviour of reinforcement learning (RL) algorithms is best understood in completely
observable, finite state-and action-space, discrete-time controlled Markov-chains. Robot …

Skill combination for reinforcement learning

Z Luo, D Bell, B McCollum - … and Automated Learning-IDEAL 2007: 8th …, 2007 - Springer
Recently researchers have introduced methods to develop reusable knowledge in
reinforcement learning (RL). In this paper, we define simple principles to combine skills in …