activity
20202026
most citedDual Contrastive Learning: Text Classification via Label-Aware Data Augmentation

47 citations · 68 across the 8 of their papers we have counts for

collaborators

9 papers

stat.ML2026

Beyond Bellman: High-Order Generator Regression for Continuous-Time Policy Evaluation

Yaowei Zheng, Richong Zhang, Shenxi Wu +5

We study finite-horizon continuous-time policy evaluation from discrete closed-loop trajectories under time-inhomogeneous dynamics. The target value surface solves a backward parab…

cs.LG2026

DataFlex: A Unified Framework for Data-Centric Dynamic Training of Large Language Models

Hao Liang, Zhengyang Zhao, Meiyi Qiang +22

Data-centric training has emerged as a promising direction for improving large language models (LLMs) by optimizing not only model parameters but also the selection, composition, a…

cs.CL2025

Easy Dataset: A Unified and Extensible Framework for Synthesizing LLM Fine-Tuning Data from Unstructured Documents

Ziyang Miao, Qiyu Sun, Jingyuan Wang +4

Large language models (LLMs) have shown impressive performance on general-purpose tasks, yet adapting them to specific domains remains challenging due to the scarcity of high-quali…

cs.CL2025

Lost-in-the-Middle in Long-Text Generation: Synthetic Dataset, Evaluation Framework, and Mitigation

Junhao Zhang, Richong Zhang, Fanshuang Kong +3

Existing long-text generation methods produce lengthy outputs from short inputs, leaving long-input-to-long-output generation underexplored. As input length increases, LLMs increas…

cs.CL2024

EasyRAG: Efficient Retrieval-Augmented Generation Framework for Automated Network Operations

Zhangchi Feng, Dongdong Kuang, Zhongyuan Wang +3

This paper presents EasyRAG, a simple, lightweight, and efficient retrieval-augmented generation framework for automated network operations. Our framework has three advantages. The…

cs.CL2024★ 14 cited

LlamaFactory: Unified Efficient Fine-Tuning of 100+ Language Models

Yaowei Zheng, Richong Zhang, Junhao Zhang +4

Efficient fine-tuning is vital for adapting large language models (LLMs) to downstream tasks. However, it requires non-trivial efforts to implement these methods on different model…

cs.CL2022★ 47 cited

Dual Contrastive Learning: Text Classification via Label-Aware Data Augmentation

Qianben Chen, Richong Zhang, Yaowei Zheng +1

Contrastive learning has achieved remarkable success in representation learning via self-supervision in unsupervised settings. However, effectively adapting contrastive learning to…

cs.LG2021

Robust Regularization with Adversarial Labelling of Perturbed Samples

Xiaohui Guo, Richong Zhang, Yaowei Zheng +1

Recent researches have suggested that the predictive accuracy of neural network may contend with its adversarial robustness. This presents challenges in designing effective regular…

cs.LG2020★ 7 cited

Regularizing Neural Networks via Adversarial Model Perturbation

Yaowei Zheng, Richong Zhang, Yongyi Mao

Effective regularization techniques are highly desired in deep learning for alleviating overfitting and improving generalization. This work proposes a new regularization scheme, ba…