collaborators

5 papers

stat.ML2026

Beyond Looking Up, Try Looking Around: Harmonizing Global Structure and Local Consistency in Optimal Transport for Short Text Clustering

Zhihao Yao, Yuxuan Gu, Jixuan Yin +1

Pseudo-labeling based on Optimal Transport (OT) has become an effective mechanism for enhancing short text clustering. Existing OT methods are short in modeling semantic consistenc…

stat.ME2025

IOCC: Aligning Semantic and Cluster Centers for Few-shot Short Text Clustering

Zhihao Yao

In clustering tasks, it is essential to structure the feature space into clear, well-separated distributions. However, because short text representations have limited expressivenes…

cs.CR2025

Adaptive Backtracking for Privacy Protection in Large Language Models

Zhihao Yao, Yuxuan Gu, Xiachong Feng +3

The preservation of privacy has emerged as a critical topic in the era of artificial intelligence. However, current work focuses on user-oriented privacy, overlooking severe enterp…

cs.LG2025

Reliable Pseudo-labeling via Optimal Transport with Attention for Short Text Clustering

Zhihao Yao

Short text clustering has gained significant attention in the data mining community. However, the limited valuable information contained in short texts often leads to low-discrimin…

cs.LG2025

Discriminative Representation learning via Attention-Enhanced Contrastive Learning for Short Text Clustering

Zhihao Yao

Contrastive learning has gained significant attention in short text clustering, yet it has an inherent drawback of mistakenly identifying samples from the same category as negative…