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Tiantian Dang

2 accepted papers

2026

Locate-then-Sparsify: Attribution Guided Sparse Strategy for Visual Hallucination Mitigation

CVPR 2026

Despite the significant advancements in Large Vision-Language Models (LVLMs), their tendency to generate hallucinations undermines reliability and restricts broader practical deployment. Among the hallucination mitigation methods, feature steering emerges as a promising approach that reduces erroneo

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2022

Label Refinement via Contrastive Learning for Distantly-Supervised Named Entity Recognition

NAACL 2022findings

Distantly-supervised named entity recognition (NER) locates and classifies entities using only knowledge bases and unlabeled corpus to mitigate the reliance on human-annotated labels. The distantly annotated data suffer from the noise in labels, and previous works on DSNER have proved the importance…