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20232026
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cs.AI2026

SVoT: State-aware Visualization-of-Thought for Spatial Reasoning via Reinforcement Learning

Chao Lei, Yanbei Jiang, Markus Hiller +4

Spatial reasoning remains a challenge for Multimodal Large Language Models (MLLMs), as it requires reliable multi-hop inference over both intermediate states and state transitions.…

cs.AI2026

Mind the Perspective: Let's Reason Recursively for Theory of Mind

Chao Lei, Guang Hu, Meng Yang +2

Theory of Mind (ToM) reasoning requires inferring agents' beliefs from partial and asymmetric observations, which remains an open challenge for LLMs. Existing prompting-based appro…

cs.AI2026

Reward on Path: Learning Intermediate Supervision Signals for Knowledge Graph Question Answering

Shengxiang Gao, Chao Lei, Jey Han Lau +2

Knowledge Graph Question Answering (KGQA) aims to answer user questions by reasoning over Knowledge Graphs (KGs). Recent methods use supervision derived from answer labels or refin…

cs.AI2025

From Reasoning to Generalization: Knowledge-Augmented LLMs for ARC Benchmark

Chao Lei, Nir Lipovetzky, Krista A. Ehinger +1

Recent reasoning-oriented LLMs have demonstrated strong performance on challenging tasks such as mathematics and science examinations. However, core cognitive faculties of human in…

cs.AI2024

Generalized Planning for the Abstraction and Reasoning Corpus

Chao Lei, Nir Lipovetzky, Krista A. Ehinger

The Abstraction and Reasoning Corpus (ARC) is a general artificial intelligence benchmark that poses difficulties for pure machine learning methods due to its requirement for fluid…