activity
20222026
most citedClass-Imbalanced Complementary-Label Learning via Weighted Loss

20 citations · 23 across the 15 of their papers we have counts for

collaborators

17 papers

cs.AI2026

Counterfactual Regret for Reflective Agents with Lean-Verified Guarantees

Zhongnian Li, Shi Xu, Mengting Xu +2

Reflective language agents reuse feedback and memory to adapt across tasks without updating model weights. However, existing guarantees for policy selection and action generation d…

cs.AI2026

Think in Strategies, Act with Tools: Traceable Agentic Optimization for Combinatorial Problems

Zhongnian Li, Shi Xu, Peng Ying +3

Optimization by PROmpting (OPRO) directly leverages Large Language Models (LLMs) to generate candidate solutions through natural-language prompting. However, OPRO's optimization pr…

cs.CV2026

One Shared LoRA Weight for MRI Reconstruction across Acceleration Factors

Zhiwei Zhao, Weikang Gong, Zhongnian Li +1

Accelerated MRI reconstruction recovers images from undersampled k-space. However, different acceleration factors produce distinct artifact patterns. Existing methods often train s…

cs.LG2026

Selectivity Matters: Source Node Influence Pruning for Unsupervised Graph Domain Adaptation

Ridong Han, Yawen Shen, Zhongnian Li +3

Unsupervised Graph Domain Adaptation (UGDA) aims to facilitate knowledge transfer from a labeled source graph to an unlabeled target graph by mitigating cross-domain distribution s…

cs.LG2025

Human-Corrected Labels Learning: Enhancing Labels Quality via Human Correction of VLMs Discrepancies

Zhongnian Li, Lan Chen, Yixin Xu +2

Vision-Language Models (VLMs), with their powerful content generation capabilities, have been successfully applied to data annotation processes. However, the VLM-generated labels e…

cs.LG2025

Learning from Uncertain Similarity and Unlabeled Data

Meng Wei, Zhongnian Li, Peng Ying +1

Existing similarity-based weakly supervised learning approaches often rely on precise similarity annotations between data pairs, which may inadvertently expose sensitive label info…

cs.CV2025

MSGCoOp: Multiple Semantic-Guided Context Optimization for Few-Shot Learning

Zhaolong Wang, Tongfeng Sun, Mingzheng Du +1

Vision-language pre-trained models (VLMs) such as CLIP have demonstrated remarkable zero-shot generalization, and prompt learning has emerged as an efficient alternative to full fi…

cs.LG2024

ESA: Example Sieve Approach for Multi-Positive and Unlabeled Learning

Zhongnian Li, Meng Wei, Peng Ying +1

Learning from Multi-Positive and Unlabeled (MPU) data has gradually attracted significant attention from practical applications. Unfortunately, the risk of MPU also suffer from the…

cs.LG2024

Learning from Concealed Labels

Zhongnian Li, Meng Wei, Peng Ying +2

Annotating data for sensitive labels (e.g., disease, smoking) poses a potential threats to individual privacy in many real-world scenarios. To cope with this problem, we propose a…

cs.CV2024

Seeing the Undefined: Chain-of-Action for Generative Semantic Labels

Meng Wei, Zhongnian Li, Peng Ying +1

Recent advances in vision-language models (VLMs) have demonstrated remarkable capabilities in image classification by leveraging predefined sets of labels to construct text prompts…

cs.LG2024

Learning from True-False Labels via Multi-modal Prompt Retrieving

Zhongnian Li, Jinghao Xu, Peng Ying +2

Pre-trained Vision-Language Models (VLMs) exhibit strong zero-shot classification abilities, demonstrating great potential for generating weakly supervised labels. Unfortunately, e…

cs.LG2024

Determined Multi-Label Learning via Similarity-Based Prompt

Meng Wei, Zhongnian Li, Peng Ying +2

In multi-label classification, each training instance is associated with multiple class labels simultaneously. Unfortunately, collecting the fully precise class labels for each tra…

cs.LG2024★ 3 cited

Learning from Reduced Labels for Long-Tailed Data

Meng Wei, Zhongnian Li, Yong Zhou +1

Long-tailed data is prevalent in real-world classification tasks and heavily relies on supervised information, which makes the annotation process exceptionally labor-intensive and…

cs.LG2023

Learning from Stochastic Labels

Meng Wei, Zhongnian Li, Yong Zhou +2

Annotating multi-class instances is a crucial task in the field of machine learning. Unfortunately, identifying the correct class label from a long sequence of candidate labels is…

cs.LG2022

Complementary Labels Learning with Augmented Classes

Zhongnian Li, Jian Zhang, Mengting Xu +2

Complementary Labels Learning (CLL) arises in many real-world tasks such as private questions classification and online learning, which aims to alleviate the annotation cost compar…

cs.LG2022★ 20 cited

Class-Imbalanced Complementary-Label Learning via Weighted Loss

Meng Wei, Yong Zhou, Zhongnian Li +1

Complementary-label learning (CLL) is widely used in weakly supervised classification, but it faces a significant challenge in real-world datasets when confronted with class-imbala…

cs.LG2022

Learning from Positive and Unlabeled Data with Augmented Classes

Zhongnian Li, Liutao Yang, Zhongchen Ma +3

Positive Unlabeled (PU) learning aims to learn a binary classifier from only positive and unlabeled data, which is utilized in many real-world scenarios. However, existing PU learn…