Author

Chen Gong

2 papers indexed here

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#natural language process... May 2026

Harmony in Diversity: Multi-domain Contrastive Policy Optimization for Large Reasoning Models

Experimental results across a broad range of domains show that MCPO alleviates performance degradation caused by mixed-domain training and outperforms single-domain training in most cases.

Zong-Ji Yu, Wen-Shui Luo, Yi-Liu Sun et al. · arXiv.org · 3 citations

#artificial intelligence Preprint Sep 2026

HyperReCo: Retrieving and Connecting Evidence with Hypergraph Neural Networks for LLM Multi-hop Reasoning

This work proposes HyperReCo, a framework for retrieving and connecting evidence with a hypergraph neural network (HyperGNN), and introduces Gradient-Guided Hyper-Path Decoding (GGHD), which uses gradient attribution to interpret the learned interactions and translate them into explicit hyper-paths that help LLMs combi...

Zi-Cheng Zhao, Lin-Hao Luo, Jun-Nan Dong et al. · 0 citations