---
title: "Jack Hessel — papers of 2021 — 1 paper, the most cited first"
description: "Jack Hessel — papers of 2021: 1 paper on Elamur Research, the most cited first — what each work is about in our own words."
canonical: "https://research.elamur.ai/free/en/authors/jack-hessel/year/2021/"
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# Jack Hessel — papers of 2021 — 1 paper, the most cited first

1 paper · [all years of Jack Hessel](https://md.research.elamur.ai/free/en/authors/jack-hessel/#years)

**[CLIPScore: A Reference-free Evaluation Metric for Image Captioning](https://md.research.elamur.ai/free/en/papers/hessel-2021-clipscore-reference-free-evaluation-metric/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Jack Hessel, Ari Holtzman, Maxwell Forbes, et al.*2021 · 1,550 citations*