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Kejian Tong

2 papers indexed

arxivcs.AI2026-07-10

ARCANA: A Reflective Multi-Agent Program Synthesis Framework for ARC-AGI-2 Reasoning

Kunbo Zhang, Lei Fu, Zeyu Wang, Zijing Liu, Kejian Tong

We present ARCANA, a collaborative multi agent framework for solving ARC AGI 2 tasks under strict test time and hardware constraints. ARCANA decomposes each task into iterative perception, hypothesis generation, symbolic execution, and reflective refinement. A perceptual groundin…

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arxivcs.AI2026-07-02

SemHash-LLM: A Multi-Granularity Semantic Hashing Framework for Document Deduplication

Xinyi Fang, Kejian Tong, Jiabei Liu, Tao Ning, Yuhang He

Large scale document deduplication must preserve semantic equivalence while remaining efficient over massive corpora. We present SemHash LLM, a multi granularity framework that unifies semantic projection hashing, attention weighted MinHash, contrastive boundary learning, and sel…

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