HOVER

HoVer is an open-domain, many-hop fact extraction and claim verification dataset built upon the Wikipedia corpus. The original 2-hop claims are adapted from question-answer pairs from HotpotQA. It is collected by a team of NLP researchers at UNC Chapel Hill and Verisk Analytics.

Papers using HOVER (3)

FAPO: Fully Autonomous Prompt Optimization of Multi-Step LLM Pipelines2026Grounding Multi-Hop Reasoning in Structural Causal Models via Group Relative Policy Optimization2026Context Shapes LLMs Retrieval-Augmented Fact-Checking Effectiveness2026