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Hong Xie

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#natural language process... Preprint Sep 2026

Adapt Semantics, Not Structure: Few-Instance Schema Calibration for Scientific PDF Extraction

CPSE is introduced, a contract-preserving semantic extraction framework that jointly calibrates extraction prompts and field-level semantic descriptions from a few gold annotations that enables low-resource schema execution while preserving the output structure required downstream.

Zi-Xiao Dong, Wei Yang, Zi-Hao Liu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Source-preserving alignment for robust evidence localization in scientific PDFS

A source-preserving alignment framework that aligns evidence with normalized page text, maps matches back to source-character spans, and renders only their geometry, demonstrating that reliable evidence verification requires robust matching and precise localization within a shared source-preserving alignment representa...

Zi-Hao Liu, Wei Yang, Zi-Xiao Dong et al. · 0 citations

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