---
title: "Rui Xia — papers of 2021 — 1 paper, the most cited first"
description: "Rui Xia — papers of 2021: 1 paper on Elamur Research, the most cited first — what each work is about in our own words."
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# Rui Xia — papers of 2021 — 1 paper, the most cited first

1 paper · [all years of Rui Xia](https://md.research.elamur.ai/free/en/authors/rui-xia/#years)

**[Aspect-Category-Opinion-Sentiment Quadruple Extraction with Implicit Aspects and Opinions](https://md.research.elamur.ai/free/en/papers/cai-2021-aspect-category-opinion-sentiment-quadruple/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Hongjie Cai, Rui Xia, Jianfei Yu*2021 · 255 citations*