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Felix End

dblp:203/4600 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2017
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 first-authorSystems, architecture and hardware · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Reinforcement learning · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Machine learning › Reinforcement learning
hierarchical reinforcement learning
0.312017
Layered direct policy search for learning hierarchical skills · ICRA 2017
Machine learning › Reinforcement learning
policy search
0.312017
Layered direct policy search for learning hierarchical skills · ICRA 2017
Machine learning › Reinforcement learning › hierarchical reinforcement learning
subpolicy learning
0.312017
Layered direct policy search for learning hierarchical skills · ICRA 2017

Methods — techniques the papers use, named apart from their topics

optimization · 0.3information theoretic principles · 0.3direct policy search · 0.3
YearPublicationVenuePosition
2017 Layered direct policy search for learning hierarchical skills
abstract
Solutions to real world robotic tasks often require complex behaviors in high dimensional continuous state and action spaces. Reinforcement Learning (RL) is aimed at learning such behaviors but often fails for lack of scalability. To address this issue, Hierarchical RL (HRL) algorithms leverage hierarchical policies to exploit the structure of a task. However, many HRL algorithms rely on task specific knowledge such as a set of predefined sub-policies or sub-goals. In this paper we propose a new HRL algorithm based on information theoretic principles to autonomously uncover a diverse set of sub-policies and their activation policies. Moreover, the learning process mirrors the policys structure and is thus also hierarchical, consisting of a set of independent optimization problems. The hierarchical structure of the learning process allows us to control the learning rate of the sub-policies and the gating individually and add specific information theoretic constraints to each layer to ensure the diversification of the sub-policies. We evaluate our algorithm on two high dimensional continuous tasks and experimentally demonstrate its ability to autonomously discover a rich set of sub-policies.
Felix End, Riad Akrour, Jan Peters 0001, Gerhard Neumann
ICRA1