activity
20232026
most citedQwen2 Technical Report

60 citations · 91 across the 12 of their papers we have counts for

collaborators

13 papers

cs.CL2026

Unified Data Selection for LLM Reasoning

Xiaoyuan Li, Yubo Ma, Chengpeng Li +6

Effectively training Large Language Models (LLMs) for complex, long-CoT reasoning is often bottlenecked by the need for massive high-quality reasoning data. Existing methods are ei…

cs.CL2025

Teaching Language Models to Reason with Tools

Chengpeng Li, Zhengyang Tang, Ziniu Li +8

Large reasoning models (LRMs) like OpenAI-o1 have shown impressive capabilities in natural language reasoning. However, these models frequently demonstrate inefficiencies or inaccu…

cs.CL2025

CALM Before the STORM: Unlocking Native Reasoning for Optimization Modeling

Zhengyang Tang, Zihan Ye, Chenyu Huang +9

Large Reasoning Models (LRMs) have demonstrated strong capabilities in complex multi-step reasoning, opening new opportunities for automating optimization modeling. However, existi…

cs.CL2025

CoLD: Counterfactually-Guided Length Debiasing for Process Reward Models in Mathematical Reasoning

Congmin Zheng, Jiachen Zhu, Jianghao Lin +6

Process Reward Models (PRMs) play a central role in evaluating and guiding multi-step reasoning in large language models (LLMs), especially for mathematical problem solving. Howeve…

cs.CL2025

CoRT: Code-integrated Reasoning within Thinking

Chengpeng Li, Zhengyang Tang, Ziniu Li +8

Large Reasoning Models (LRMs) like o1 and DeepSeek-R1 have shown remarkable progress in natural language reasoning with long chain-of-thought (CoT), yet they remain inefficient or…

cs.CL2025★ 2 cited

START: Self-taught Reasoner with Tools

Chengpeng Li, Mingfeng Xue, Zhenru Zhang +7

Large reasoning models (LRMs) like OpenAI-o1 and DeepSeek-R1 have demonstrated remarkable capabilities in complex reasoning tasks through the utilization of long Chain-of-thought (…

cs.CL2024★ 15 cited

Qwen2.5-Math Technical Report: Toward Mathematical Expert Model via Self-Improvement

An Yang, Beichen Zhang, Binyuan Hui +13

In this report, we present a series of math-specific large language models: Qwen2.5-Math and Qwen2.5-Math-Instruct-1.5B/7B/72B. The core innovation of the Qwen2.5 series lies in in…

cs.CL2024★ 4 cited

Self-play with Execution Feedback: Improving Instruction-following Capabilities of Large Language Models

Guanting Dong, Keming Lu, Chengpeng Li +4

One core capability of large language models (LLMs) is to follow natural language instructions. However, the issue of automatically constructing high-quality training data to enhan…

cs.CL2024★ 4 cited

DotaMath: Decomposition of Thought with Code Assistance and Self-correction for Mathematical Reasoning

Chengpeng Li, Guanting Dong, Mingfeng Xue +3

Large language models (LLMs) have made impressive progress in handling simple math problems, yet they still struggle with more challenging and complex mathematical tasks. In this p…

cs.CL2024★ 60 cited

Qwen2 Technical Report

An Yang, Baosong Yang, Binyuan Hui +59

This report introduces the Qwen2 series, the latest addition to our large language models and large multimodal models. We release a comprehensive suite of foundational and instruct…

cs.IR2023

Model-enhanced Contrastive Reinforcement Learning for Sequential Recommendation

Chengpeng Li, Zhengyi Yang, Jizhi Zhang +4

Reinforcement learning (RL) has been widely applied in recommendation systems due to its potential in optimizing the long-term engagement of users. From the perspective of RL, reco…

cs.CL2023★ 1 cited

MuggleMath: Assessing the Impact of Query and Response Augmentation on Math Reasoning

Chengpeng Li, Zheng Yuan, Hongyi Yuan +6

In math reasoning with large language models (LLMs), fine-tuning data augmentation by query evolution and diverse reasoning paths is empirically verified effective, profoundly narr…

cs.CL2023★ 5 cited

How Abilities in Large Language Models are Affected by Supervised Fine-tuning Data Composition

Guanting Dong, Hongyi Yuan, Keming Lu +7

Large language models (LLMs) with enormous pre-training tokens and parameters emerge diverse abilities, including math reasoning, code generation, and instruction following. These…