activity
20242026
collaborators
Showing 2025Show all

9 papers · 1 filter

cs.CL2025

Select2Reason: Efficient Instruction-Tuning Data Selection for Long-CoT Reasoning

Cehao Yang, Xueyuan Lin, Xiaojun Wu +5

A practical approach to activate long chain-of-thoughts reasoning ability in pre-trained large language models is to perform supervised fine-tuning on instruction datasets synthesi…

cs.CL2025

RETuning: Upgrading Inference-Time Scaling for Stock Movement Prediction with Large Language Models

Xueyuan Lin, Cehao Yang, Ye Ma +7

Recently, large language models (LLMs) have demonstrated outstanding reasoning capabilities on mathematical and coding tasks. However, their application to financial tasks-especial…

cs.SE2025

Beyond Function-Level Search: Repository-Aware Dual-Encoder Code Retrieval with Adversarial Verification

Aofan Liu, Shiyuan Song, Haoxuan Li +2

The escalating complexity of modern codebases has intensified the need for retrieval systems capable of interpreting cross-component change intents, a capability fundamentally abse…

cs.CL2025

GraphSearch: An Agentic Deep Searching Workflow for Graph Retrieval-Augmented Generation

Cehao Yang, Xiaojun Wu, Xueyuan Lin +6

Graph Retrieval-Augmented Generation (GraphRAG) enhances factual reasoning in LLMs by structurally modeling knowledge through graph-based representations. However, existing GraphRA…

cs.CL2025

Synthesize-on-Graph: Knowledgeable Synthetic Data Generation for Continue Pre-training of Large Language Models

Shengjie Ma, Xuhui Jiang, Chengjin Xu +3

Large Language Models (LLMs) have achieved remarkable success but remain data-inefficient, especially when learning from small, specialized corpora with limited and proprietary dat…

cs.CL2025

LongFaith: Enhancing Long-Context Reasoning in LLMs with Faithful Synthetic Data

Cehao Yang, Xueyuan Lin, Chengjin Xu +5

Despite the growing development of long-context large language models (LLMs), data-centric approaches relying on synthetic data have been hindered by issues related to faithfulness…