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Liwen Zheng

3 accepted papers

2025

MRR-FV: Unlocking Complex Fact Verification with Multi-Hop Retrieval and Reasoning

AAAI 2025technical

The pervasive spread of misinformation on social networks highlights the critical necessity for effective fact verification systems. Traditional approaches primarily focus on pairwise correlations between claims and evidence, often neglecting comprehensive multi-hop retrieval and reasoning, which re…

Cited by 0SourcePDFScholar
2025

One SPACE to Rule Them All: Jointly Mitigating Factuality and Faithfulness Hallucinations in LLMs

NeurIPS 2025poster

LLMs have demonstrated unprecedented capabilities in natural language processing, yet their practical deployment remains hindered by persistent factuality and faithfulness hallucinations. While existing methods address these hallucination types independently, they inadvertently induce performance tr…

Cited by 0SourceScholar
2024

Evidence Retrieval is almost All You Need for Fact Verification

ACL 2024findings

Current fact verification methods generally follow the two-stage training paradigm: evidence retrieval and claim verification. While existing works focus on developing sophisticated claim verification modules, the fundamental importance of evidence retrieval is largely ignored. Existing approaches u…

Cited by 4SourcePDFScholar