Search Results for author: Weimin Lyu

Found 16 papers, 4 papers with code

ImpScore: A Learnable Metric For Quantifying The Implicitness Level of Language

1 code implementation7 Nov 2024 Yuxin Wang, Xiaomeng Zhu, Weimin Lyu, Saeed Hassanpour, Soroush Vosoughi

Handling implicit language is essential for natural language processing systems to achieve precise text understanding and facilitate natural interactions with users.

Contrastive Learning Hate Speech Detection +1

Long-Tailed Backdoor Attack Using Dynamic Data Augmentation Operations

no code implementations16 Oct 2024 Lu Pang, Tao Sun, Weimin Lyu, Haibin Ling, Chao Chen

Through simultaneous optimization of the backdoored model and trigger generator, guided by dynamic data augmentation operation selectors, we achieve significant advancements.

Backdoor Attack Data Augmentation

Backdooring Vision-Language Models with Out-Of-Distribution Data

no code implementations2 Oct 2024 Weimin Lyu, Jiachen Yao, Saumya Gupta, Lu Pang, Tao Sun, Lingjie Yi, Lijie Hu, Haibin Ling, Chao Chen

The emergence of Vision-Language Models (VLMs) represents a significant advancement in integrating computer vision with Large Language Models (LLMs) to generate detailed text descriptions from visual inputs.

Image Captioning Image to text +2

TrojVLM: Backdoor Attack Against Vision Language Models

no code implementations28 Sep 2024 Weimin Lyu, Lu Pang, Tengfei Ma, Haibin Ling, Chao Chen

The emergence of Vision Language Models (VLMs) is a significant advancement in integrating computer vision with Large Language Models (LLMs) to produce detailed text descriptions based on visual inputs, yet it introduces new security vulnerabilities.

Backdoor Attack Image Captioning +4

Recent Trends of Multimodal Affective Computing: A Survey from NLP Perspective

1 code implementation11 Sep 2024 Guimin Hu, Yi Xin, Weimin Lyu, Haojian Huang, Chang Sun, Zhihong Zhu, Lin Gui, Ruichu Cai, Erik Cambria, Hasti Seifi

The goal of this survey is to explore the current landscape of multimodal affective research, identify development trends, and highlight the similarities and differences across various tasks, offering a comprehensive report on the recent progress in multimodal affective computing from an NLP perspective.

Aspect-Based Sentiment Analysis Emotion Recognition in Conversation +3

BadCLM: Backdoor Attack in Clinical Language Models for Electronic Health Records

no code implementations6 Jul 2024 Weimin Lyu, Zexin Bi, Fusheng Wang, Chao Chen

The advent of clinical language models integrated into electronic health records (EHR) for clinical decision support has marked a significant advancement, leveraging the depth of clinical notes for improved decision-making.

Backdoor Attack Decision Making +1

Prompt-SAW: Leveraging Relation-Aware Graphs for Textual Prompt Compression

no code implementations30 Mar 2024 Muhammad Asif Ali, ZhengPing Li, Shu Yang, Keyuan Cheng, Yang Cao, Tianhao Huang, Guimin Hu, Weimin Lyu, Lijie Hu, Lu Yu, Di Wang

We also propose GSM8K-aug, i. e., an extended version of the existing GSM8K benchmark for task-agnostic prompts in order to provide a comprehensive evaluation platform.

GSM8K Relation

Attention-Enhancing Backdoor Attacks Against BERT-based Models

no code implementations23 Oct 2023 Weimin Lyu, Songzhu Zheng, Lu Pang, Haibin Ling, Chao Chen

Recent studies have revealed that \textit{Backdoor Attacks} can threaten the safety of natural language processing (NLP) models.

Sentiment Analysis Topic Classification

A Multimodal Transformer: Fusing Clinical Notes with Structured EHR Data for Interpretable In-Hospital Mortality Prediction

no code implementations9 Aug 2022 Weimin Lyu, Xinyu Dong, Rachel Wong, Songzhu Zheng, Kayley Abell-Hart, Fusheng Wang, Chao Chen

Deep-learning-based clinical decision support using structured electronic health records (EHR) has been an active research area for predicting risks of mortality and diseases.

Mortality Prediction

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