Daily Arxiv

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Learning Hierarchical Domain Models Through Environment-Grounded Interaction

Created by
  • Haebom

Author

Claudius Kienle, Benjamin Alt, Oleg Arenz, Jan Peters

Outline

LODGE is an unsupervised domain learning framework that leverages LLM and environment grounding to generate interpretable plans for solving long-horizon tasks. Based on hierarchical abstraction and automated simulation, LODGE identifies and corrects inconsistencies between abstraction layers and between models and environments. The framework is task-agnostic, assuming access only to a simulator and a set of common, executable, low-level techniques.

Takeaways, Limitations

Building an autonomous domain learning framework using LLM
Improve model accuracy through hierarchical abstraction and automated simulation.
Achieve high task success rates without human feedback or demonstrations.
Outperforms existing methods in the IPC domain and robot assembly domain.
Requires limited environmental interaction
Only experimental results for specific domains (IPC, robot assembly) are presented, requiring further research on generalizability.
LLM has the potential for errors and performance degradation in complex environments.
Reliance on simulators and low-level technologies
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