collaborators

6 papers

cs.SE2026

To Diff or Not to Diff? Structure-Aware and Adaptive Output Formats for Efficient LLM-based Code Editing

Wei Cheng, Yongchang Cao, Chen Shen +4

Large Language Models (LLMs) are increasingly used for code editing, yet the prevalent full-code generation paradigm suffers from severe efficiency bottlenecks, posing challenges f…

cs.CL2026

On the Step Length Confounding in LLM Reasoning Data Selection

Bing Wang, Rui Miao, Chen Shen +7

Large reasoning models have recently demonstrated strong performance on complex tasks that require long chain-of-thought reasoning, through supervised fine-tuning on large-scale an…

cs.CL2026

ART: Attention Replacement Technique to Improve Factuality in LLMs

Ziqin Luo, Yihao Quan, Xiaofeng Zhang +2

Hallucination in large language models (LLMs) continues to be a significant issue, particularly in tasks like question answering, where models often generate plausible yet incorrec…

cs.SE2026

Composer 2 Technical Report

Cursor Research, :, Aaron Chan +53

Composer 2 is a specialized model designed for agentic software engineering. The model demonstrates strong long-term planning and coding intelligence while maintaining the ability…

cs.CL2025

Efficient Reasoning Through Suppression of Self-Affirmation Reflections in Large Reasoning Models

Kaiyuan Liu, Chen Shen, Zhanwei Zhang +3

While recent advances in large reasoning models have demonstrated remarkable performance, efficient reasoning remains critical due to the rapid growth of output length. Existing op…

cs.CV2025

GeoCAD: Local Geometry-Controllable CAD Generation with Large Language Models

Zhanwei Zhang, Kaiyuan Liu, Junjie Liu +5

Local geometry-controllable computer-aided design (CAD) generation aims to modify local parts of CAD models automatically, enhancing design efficiency. It also ensures that the sha…