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Wei Chen

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How Do LLM-Generated Texts Impact Term-Based Retrieval Models?

This paper investigates the influence of LLM-generated content on term-based retrieval models, and reveals that LLM-generated texts exhibit smoother high-frequency and steeper low-frequency Zipf slopes, higher term specificity, and greater document-level diversity.

Wei Huang, Ke-Ping Bi, Yin-Qiong Cai et al. · 1 citation

CLIPure: Purification in Latent Space via CLIP for Adversarially Robust Zero-Shot Classification

An adversarially robust zero-shot image classifier that boosts the SOTA robustness by a large margin and is the first purification method in multi-modal latent space and CLIPure-Cos is the first purification method that is not based on generative models, which substantially improves defense efficiency.

Ming-Kun Zhang, Keping Bi, Wei Chen et al. · 14 citations · ⚡1

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