---
title: "Keyu Chen — papers of 2026 — 1 paper, the most cited first"
description: "Keyu Chen — papers of 2026: 1 paper on Elamur Research, the most cited first — what each work is about in our own words."
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# Keyu Chen — papers of 2026 — 1 paper, the most cited first

1 paper · [all years of Keyu Chen](https://md.research.elamur.ai/free/en/authors/keyu-chen/#years)

**[HiChunk: Evaluating and Enhancing Retrieval Augmented Generation with Hierarchical Chunking](https://md.research.elamur.ai/free/en/papers/lu-2026-hichunk-evaluating-enhancing-retrieval-augmented/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Wensheng Lu, Keyu Chen, Zhifeng Shen, et al.*2026 · 4 citations*