Author

Lianwen Jin

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#natural language process... Preprint Oct 2026

LongHisDoc: A Comprehensive Benchmark for Chinese Long Historical Document Understanding

The first benchmark tailored for long historical document understanding is introduced, and various modal retrievers and the end-to-end RAG performance to provide references for Retrieval-Augmented Generation (RAG) systems are assessed.

Zeyu Shan, Yong-Xin Shi, Shi-Hang Wu et al. · 0 citations

Preprint Aug 2026

TongGuOCR: A Layout-Aware and Token-Augmented OCR MLLM for Chinese Historical Documents

TongGuOCR is proposed, a layout-aware and token-augmented multimodal large language model (MLLM) for OCR of Chinese historical documents that outperforms representative traditional task-specific OCR models, general-purpose MLLMs, and OCR-oriented MLLMs.

Zhongheng Zhou, Yi Sun, Huiguo He et al. · 0 citations