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Changxuan Sun

2 accepted papers

2025

FaStFact: Faster, Stronger Long-Form Factuality Evaluations in LLMs

EMNLP 2025

Evaluating the factuality of long-form generations from Large Language Models (LLMs) remains challenging due to accuracy issues and costly human assessment. Prior evaluation pipelines attempt this by decomposing text into claims, searching for evidence, and verifying claims, but suffer from critical

2024

Two Issues with Chinese Spelling Correction and A Refinement Solution

ACL 2024short

The Chinese Spelling Correction (CSC) task aims to detect and correct misspelled characters in Chinese text, and has received lots of attention in the past few years. Most recent studies adopt a Transformer-based model and leverage different features of characters such as pronunciation, glyph and co…