Sewon Min

University of Washington researcher and first author of FActScore, the metric that scores long-form LLM output by the share of its atomic facts that a chosen knowledge source supports.

Known For

• FActScore - Fine-grained Atomic Evaluation of Factual Precision (arXiv:2305.14251, 2023): atomic-fact decomposition, human FActScores for InstructGPT, ChatGPT and PerplexityAI, and an automatic estimator within 2% of the human score.

Articles

• FActScore - Fine-grained Atomic Evaluation of Factual Precision

Related Concepts

• Atomic Claim Verification
• Hallucination Detection

People

• Jerry Wei: SAFE validates against the human annotations released with FActScore