---
title: "Shitao Xiao — papers of 2026 — 1 paper, the most cited first"
description: "Shitao Xiao — 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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# Shitao Xiao — papers of 2026 — 1 paper, the most cited first

1 paper · [all years of Shitao Xiao](https://md.research.elamur.ai/free/en/authors/shitao-xiao/#years)

**[Reinforcing Agentic Search Via Reward Density Optimization](https://md.research.elamur.ai/free/en/papers/luo-2026-reinforcing-agentic-search-reward-density/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Kun Luo, Hongjin Qian, Zheng Liu, et al.*2026*