---
title: "Runxi Cheng — papers of 2025 — 1 paper, the most cited first"
description: "Runxi Cheng — papers of 2025: 1 paper on Elamur Research, the most cited first — what each work is about in our own words."
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---
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# Runxi Cheng — papers of 2025 — 1 paper, the most cited first

1 paper · [all years of Runxi Cheng](https://md.research.elamur.ai/free/en/authors/runxi-cheng/#years)

**[HS-STaR: Hierarchical Sampling for Self-Taught Reasoners via Difficulty Estimation and Budget Reallocation](https://md.research.elamur.ai/free/en/papers/xiong-2025-hs-star-hierarchical-sampling-self/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Feng Xiong, Hongling Xu, Yifei Wang, et al.*2025 · 9 citations*