Search Results for author: Hongxin Hu

Found 13 papers, 6 papers with code

AI-Cybersecurity Education Through Designing AI-based Cyberharassment Detection Lab

no code implementations13 May 2024 Ebuka Okpala, Nishant Vishwamitra, Keyan Guo, Song Liao, Long Cheng, Hongxin Hu, Yongkai Wu, Xiaohong Yuan, Jeannette Wade, Sajad Khorsandroo

While capstone projects are an excellent example of experiential learning, given the interdisciplinary nature of this emerging social cybersecurity problem, it can be challenging to use them to engage non-computing students without prior knowledge of AI.

Moderating Illicit Online Image Promotion for Unsafe User-Generated Content Games Using Large Vision-Language Models

2 code implementations27 Mar 2024 Keyan Guo, Ayush Utkarsh, Wenbo Ding, Isabelle Ondracek, Ziming Zhao, Guo Freeman, Nishant Vishwamitra, Hongxin Hu

Online user generated content games (UGCGs) are increasingly popular among children and adolescents for social interaction and more creative online entertainment.

Domain Adaptation

An Investigation of Large Language Models for Real-World Hate Speech Detection

no code implementations7 Jan 2024 Keyan Guo, Alexander Hu, Jaden Mu, Ziheng Shi, Ziming Zhao, Nishant Vishwamitra, Hongxin Hu

Our study reveals that a meticulously crafted reasoning prompt can effectively capture the context of hate speech by fully utilizing the knowledge base in LLMs, significantly outperforming existing techniques.

Hate Speech Detection

Moderating New Waves of Online Hate with Chain-of-Thought Reasoning in Large Language Models

1 code implementation22 Dec 2023 Nishant Vishwamitra, Keyan Guo, Farhan Tajwar Romit, Isabelle Ondracek, Long Cheng, Ziming Zhao, Hongxin Hu

HATEGUARD further achieves prompt-based zero-shot detection by automatically generating and updating detection prompts with new derogatory terms and targets in new wave samples to effectively address new waves of online hate.

Multi-level Distillation of Semantic Knowledge for Pre-training Multilingual Language Model

no code implementations2 Nov 2022 Mingqi Li, Fei Ding, Dan Zhang, Long Cheng, Hongxin Hu, Feng Luo

In this paper, we propose Multi-level Multilingual Knowledge Distillation (MMKD), a novel method for improving multilingual language models.

Knowledge Distillation Language Modelling +2

Understanding and Measuring Robustness of Multimodal Learning

no code implementations22 Dec 2021 Nishant Vishwamitra, Hongxin Hu, Ziming Zhao, Long Cheng, Feng Luo

We then introduce a new type of multimodal adversarial attacks called decoupling attack in MUROAN that aims to compromise multimodal models by decoupling their fused modalities.

Adversarial Robustness

CARTL: Cooperative Adversarially-Robust Transfer Learning

1 code implementation12 Jun 2021 Dian Chen, Hongxin Hu, Qian Wang, Yinli Li, Cong Wang, Chao Shen, Qi Li

In deep learning, a typical strategy for transfer learning is to freeze the early layers of a pre-trained model and fine-tune the rest of its layers on the target domain.

Adversarial Robustness Transfer Learning

Multi-level Knowledge Distillation via Knowledge Alignment and Correlation

1 code implementation1 Dec 2020 Fei Ding, Yin Yang, Hongxin Hu, Venkat Krovi, Feng Luo

While it is important to transfer the full knowledge from teacher to student, we introduce the Multi-level Knowledge Distillation (MLKD) by effectively considering both knowledge alignment and correlation.

Contrastive Learning Knowledge Distillation +2

Interpreting Deep Learning-Based Networking Systems

2 code implementations9 Oct 2019 Zili Meng, Minhu Wang, Jiasong Bai, Mingwei Xu, Hongzi Mao, Hongxin Hu

While many deep learning (DL)-based networking systems have demonstrated superior performance, the underlying Deep Neural Networks (DNNs) remain blackboxes and stay uninterpretable for network operators.

SvTPM: A Secure and Efficient vTPM in the Cloud

1 code implementation21 May 2019 Juan Wang, Chengyang Fan, Jie Wang, Yueqiang Cheng, Yinqian Zhang, Wenhui Zhang, Peng Liu, Hongxin Hu

In this paper, we present SvTPM, a secure and efficient software-based vTPM implementation based on hardware-rooted Trusted Execution Environment (TEE), providing a whole life cycle protection of vTPMs in the cloud.

Cryptography and Security

Rallying Adversarial Techniques against Deep Learning for Network Security

no code implementations27 Mar 2019 Joseph Clements, Yuzhe Yang, Ankur Sharma, Hongxin Hu, Yingjie Lao

Recent advances in artificial intelligence and the increasing need for powerful defensive measures in the domain of network security, have led to the adoption of deep learning approaches for use in network intrusion detection systems.

BIG-bench Machine Learning Network Intrusion Detection

Vision-based Navigation of Autonomous Vehicle in Roadway Environments with Unexpected Hazards

no code implementations27 Sep 2018 Mhafuzul Islam, Mahsrur Chowdhury, Hongda Li, Hongxin Hu

Vision-based navigation of autonomous vehicles primarily depends on the Deep Neural Network (DNN) based systems in which the controller obtains input from sensors/detectors, such as cameras and produces a vehicle control output, such as a steering wheel angle to navigate the vehicle safely in a roadway traffic environment.

Autonomous Driving Navigate +4

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