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Nallarasan V

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#reinforcement learning Open access Sep 2026

Curiosity-Guided Graph Neural Skill Discovery for Sparse-Reward Goal-Oriented Dialogue Systems

Goal-oriented chatbots often operate in sparse-reward settings, where meaningful feedback (task success or user satisfaction) arrives only after many dialogue turns. This makes exploration and policy learning challenging. We propose a novel hierarchical reinforcement learning (HRL) framework that performs automated ski...

Abhishek Verma, Nallarasan V, Balaraman Ravindran · Preprints.org · 0 citations