Solving Long-Horizon & Sparse-Reward Tasks:

Graph-Assisted Stitching for Offline Hierarchical Reinforcement Learning, ICML 2025.

Novelty-aware Graph Traversal and Expansion for Hierarchical Reinforcement Learning, CIKM 2024.

Offline Hierarchical Reinforcement Learning using Subgoal Generation for Long-Horizon and Sparse-Reward Tasks, IJCAI 2023.