Search Results for author: Wenbin Zhang

Found 40 papers, 14 papers with code

FedCAP: Robust Federated Learning via Customized Aggregation and Personalization

1 code implementation16 Oct 2024 Youpeng Li, Xinda Wang, Fuxun Yu, Lichao Sun, Wenbin Zhang, Xuyu Wang

The core of FedCAP is a model update calibration mechanism to help a server capture the differences in the direction and magnitude of model updates among clients.

Anomaly Detection Federated Learning +1

Fairness in Large Language Models in Three Hours

1 code implementation2 Aug 2024 Thang Doan Viet, Zichong Wang, Minh Nhat Nguyen, Wenbin Zhang

Large Language Models (LLMs) have demonstrated remarkable success across various domains but often lack fairness considerations, potentially leading to discriminatory outcomes against marginalized populations.

Fairness

AI-Driven Healthcare: A Survey on Ensuring Fairness and Mitigating Bias

no code implementations29 Jul 2024 Sribala Vidyadhari Chinta, Zichong Wang, Xingyu Zhang, Thang Doan Viet, Ayesha Kashif, Monique Antoinette Smith, Wenbin Zhang

Artificial intelligence (AI) is rapidly advancing in healthcare, enhancing the efficiency and effectiveness of services across various specialties, including cardiology, ophthalmology, dermatology, emergency medicine, etc.

Decision Making Fairness

FairAIED: Navigating Fairness, Bias, and Ethics in Educational AI Applications

no code implementations26 Jul 2024 Sribala Vidyadhari Chinta, Zichong Wang, Zhipeng Yin, Nhat Hoang, Matthew Gonzalez, Tai Le Quy, Wenbin Zhang

The integration of Artificial Intelligence (AI) into education has transformative potential, providing tailored learning experiences and creative instructional approaches.

Ethics Fairness +1

Fairness Definitions in Language Models Explained

1 code implementation26 Jul 2024 Thang Viet Doan, Zhibo Chu, Zichong Wang, Wenbin Zhang

Specifically, we begin with a brief introduction to LMs and fairness in LMs, followed by a comprehensive, up-to-date overview of existing fairness notions in LMs and the introduction of a novel taxonomy that categorizes these concepts based on their foundational principles and operational distinctions.

Fairness

BadFusion: 2D-Oriented Backdoor Attacks against 3D Object Detection

no code implementations6 May 2024 Saket S. Chaturvedi, Lan Zhang, Wenbin Zhang, Pan He, Xiaoyong Yuan

To tackle this issue, we propose an innovative 2D-oriented backdoor attack against LiDAR-camera fusion methods for 3D object detection, named BadFusion, for preserving trigger effectiveness throughout the entire fusion process.

3D Object Detection Autonomous Driving +3

On the Efficiency of Privacy Attacks in Federated Learning

1 code implementation15 Apr 2024 Nawrin Tabassum, Ka-Ho Chow, Xuyu Wang, Wenbin Zhang, Yanzhao Wu

Second, we propose three early-stopping techniques to effectively reduce the computational costs of these privacy attacks.

Federated Learning

Uncertain Boundaries: Multidisciplinary Approaches to Copyright Issues in Generative AI

no code implementations31 Mar 2024 Jocelyn Dzuong, Zichong Wang, Wenbin Zhang

In the rapidly evolving landscape of generative artificial intelligence (AI), the increasingly pertinent issue of copyright infringement arises as AI advances to generate content from scraped copyrighted data, prompting questions about ownership and protection that impact professionals across various careers.

Survey

Fairness in Large Language Models: A Taxonomic Survey

no code implementations31 Mar 2024 Zhibo Chu, Zichong Wang, Wenbin Zhang

Additionally, the concept of fairness in LLMs is discussed categorically, summarizing metrics for evaluating bias in LLMs and existing algorithms for promoting fairness.

Fairness Survey

History, Development, and Principles of Large Language Models-An Introductory Survey

no code implementations10 Feb 2024 Zichong Wang, Zhibo Chu, Thang Viet Doan, Shiwen Ni, Min Yang, Wenbin Zhang

Language models serve as a cornerstone in natural language processing (NLP), utilizing mathematical methods to generalize language laws and knowledge for prediction and generation.

Language Modelling Survey

ZS4C: Zero-Shot Synthesis of Compilable Code for Incomplete Code Snippets using LLMs

no code implementations25 Jan 2024 Azmain Kabir, Shaowei Wang, Yuan Tian, Tse-Hsun Chen, Muhammad Asaduzzaman, Wenbin Zhang

On average, ZS4C can infer more accurate import statements (with an F1 score of 0. 98) than SnR, with an improvement of 8. 5% in the F1.

The Internet of Responsibilities-Connecting Human Responsibilities using Big Data and Blockchain

no code implementations7 Dec 2023 Xuejiao Tang, Jiong Qiu, Wenbin Zhang, Ibrahim Toure, Mingli Zhang, Enza Messina, Xueping Xie, Xuebing Wang, Sheng Yu

Accountability in the workplace is critically important and remains a challenging problem, especially with respect to workplace safety management.

Management

Variator: Accelerating Pre-trained Models with Plug-and-Play Compression Modules

1 code implementation24 Oct 2023 Chaojun Xiao, Yuqi Luo, Wenbin Zhang, Pengle Zhang, Xu Han, Yankai Lin, Zhengyan Zhang, Ruobing Xie, Zhiyuan Liu, Maosong Sun, Jie zhou

Pre-trained language models (PLMs) have achieved remarkable results on NLP tasks but at the expense of huge parameter sizes and the consequent computational costs.

Computational Efficiency

Practical Deep Dispersed Watermarking with Synchronization and Fusion

1 code implementation23 Oct 2023 Hengchang Guo, Qilong Zhang, Junwei Luo, Feng Guo, Wenbin Zhang, Xiaodong Su, Minglei Li

Compared with state-of-the-art approaches, our blind watermarking can achieve better performance: averagely improve the bit accuracy by 5. 28\% and 5. 93\% against single and combined attacks, respectively, and show less file size increment and better visual quality.

Rethinking Learning Rate Tuning in the Era of Large Language Models

1 code implementation16 Sep 2023 Hongpeng Jin, Wenqi Wei, Xuyu Wang, Wenbin Zhang, Yanzhao Wu

Second, we present LRBench++ to benchmark learning rate policies and facilitate learning rate tuning for both traditional DNNs and LLMs.

Exploring Equation as a Better Intermediate Meaning Representation for Numerical Reasoning

1 code implementation21 Aug 2023 Dingzirui Wang, Longxu Dou, Wenbin Zhang, Junyu Zeng, Wanxiang Che

So in this paper, we try to use equations as IMRs to solve the numerical reasoning task by addressing two problems: (1) Theoretically, how to prove that the equation is an IMR with higher generation accuracy than programs; (2) Empirically, how to improve the generation accuracy of equations with LLMs.

GSM8K

Individual Fairness under Uncertainty

no code implementations16 Feb 2023 Wenbin Zhang, Zichong Wang, Juyong Kim, Cheng Cheng, Thomas Oommen, Pradeep Ravikumar, Jeremy Weiss

Algorithmic fairness, the research field of making machine learning (ML) algorithms fair, is an established area in ML.

Fairness

Towards Fair Machine Learning Software: Understanding and Addressing Model Bias Through Counterfactual Thinking

no code implementations16 Feb 2023 Zichong Wang, Yang Zhou, Meikang Qiu, Israat Haque, Laura Brown, Yi He, Jianwu Wang, David Lo, Wenbin Zhang

The increasing use of Machine Learning (ML) software can lead to unfair and unethical decisions, thus fairness bugs in software are becoming a growing concern.

Benchmarking counterfactual +1

Preventing Discriminatory Decision-making in Evolving Data Streams

no code implementations16 Feb 2023 Zichong Wang, Nripsuta Saxena, Tongjia Yu, Sneha Karki, Tyler Zetty, Israat Haque, Shan Zhou, Dukka Kc, Ian Stockwell, Albert Bifet, Wenbin Zhang

However, most fair machine learning (fair-ML) work to address bias in decision-making systems has focused solely on the offline setting.

Decision Making Fairness

Fair Decision-making Under Uncertainty

no code implementations29 Jan 2023 Wenbin Zhang, Jeremy C. Weiss

There has been concern within the artificial intelligence (AI) community and the broader society regarding the potential lack of fairness of AI-based decision-making systems.

Decision Making Decision Making Under Uncertainty +2

Attention Mechanism based Cognition-level Scene Understanding

no code implementations17 Apr 2022 Xuejiao Tang, Tai Le Quy, Eirini Ntoutsi, Kea Turner, Vasile Palade, Israat Haque, Peng Xu, Chris Brown, Wenbin Zhang

Given a question-image input, the Visual Commonsense Reasoning (VCR) model can predict an answer with the corresponding rationale, which requires inference ability from the real world.

Question Answering Scene Understanding +2

Longitudinal Fairness with Censorship

no code implementations30 Mar 2022 Wenbin Zhang, Jeremy C. Weiss

Recent works in artificial intelligence fairness attempt to mitigate discrimination by proposing constrained optimization programs that achieve parity for some fairness statistic.

Fairness

Fairness Amidst Non-IID Graph Data: Current Achievements and Future Directions

no code implementations15 Feb 2022 Wenbin Zhang, SHimei Pan, Shuigeng Zhou, Toby Walsh, Jeremy C. Weiss

The importance of understanding and correcting algorithmic bias in machine learning (ML) has led to an increase in research on fairness in ML, which typically assumes that the underlying data is independent and identically distributed (IID).

Fairness

A Generic Knowledge Based Medical Diagnosis Expert System

no code implementations9 Oct 2021 Xin Huang, Xuejiao Tang, Wenbin Zhang, Shichao Pei, Ji Zhang, Mingli Zhang, Zhen Liu, Ruijun Chen, Yiyi Huang

The proposed disease diagnosis system also uses a graphical user interface (GUI) to facilitate users to interact with the expert system.

Medical Diagnosis

A survey on datasets for fairness-aware machine learning

1 code implementation1 Oct 2021 Tai Le Quy, Arjun Roy, Vasileios Iosifidis, Wenbin Zhang, Eirini Ntoutsi

For a deeper understanding of bias in the datasets, we investigate the interesting relationships using exploratory analysis.

Attribute BIG-bench Machine Learning +3

FARF: A Fair and Adaptive Random Forests Classifier

no code implementations17 Aug 2021 Wenbin Zhang, Albert Bifet, Xiangliang Zhang, Jeremy C. Weiss, Wolfgang Nejdl

This algorithm, called FARF (Fair and Adaptive Random Forests), is based on using online component classifiers and updating them according to the current distribution, that also accounts for fairness and a single hyperparameters that alters fairness-accuracy balance.

Decision Making Fairness

Online Fairness-Aware Learning with Imbalanced Data Streams

no code implementations13 Aug 2021 Vasileios Iosifidis, Wenbin Zhang, Eirini Ntoutsi

Data-driven learning algorithms are employed in many online applications, in which data become available over time, like network monitoring, stock price prediction, job applications, etc.

Fairness Stock Price Prediction +1

Interpretable Visual Understanding with Cognitive Attention Network

1 code implementation6 Aug 2021 Xuejiao Tang, Wenbin Zhang, Yi Yu, Kea Turner, Tyler Derr, Mengyu Wang, Eirini Ntoutsi

While image understanding on recognition-level has achieved remarkable advancements, reliable visual scene understanding requires comprehensive image understanding on recognition-level but also cognition-level, which calls for exploiting the multi-source information as well as learning different levels of understanding and extensive commonsense knowledge.

Scene Understanding Visual Commonsense Reasoning

LSTM Based Sentiment Analysis for Cryptocurrency Prediction

no code implementations27 Mar 2021 Xin Huang, Wenbin Zhang, Xuejiao Tang, Mingli Zhang, Jayachander Surbiryala, Vasileios Iosifidis, Zhen Liu, Ji Zhang

Recent studies in big data analytics and natural language processing develop automatic techniques in analyzing sentiment in the social media information.

Sentiment Analysis

A Data-driven Human Responsibility Management System

no code implementations6 Dec 2020 Xuejiao Tang, Jiong Qiu, Ruijun Chen, Wenbin Zhang, Vasileios Iosifidis, Zhen Liu, Wei Meng, Mingli Zhang, Ji Zhang

An ideal safe workplace is described as a place where staffs fulfill responsibilities in a well-organized order, potential hazardous events are being monitored in real-time, as well as the number of accidents and relevant damages are minimized.

Management

Online Decision Trees with Fairness

no code implementations15 Oct 2020 Wenbin Zhang, Liang Zhao

In this paper, we propose a novel framework of online decision tree with fairness in the data stream with possible distribution drifting.

Decision Making Fairness

Disentangled Dynamic Graph Deep Generation

1 code implementation14 Oct 2020 Wenbin Zhang, Liming Zhang, Dieter Pfoser, Liang Zhao

Extending existing deep generative models from static to dynamic graphs is a challenging task, which requires to handle the factorization of static and dynamic characteristics as well as mutual interactions among node and edge patterns.

Graph Generation Protein Folding

FAHT: An Adaptive Fairness-aware Decision Tree Classifier

1 code implementation16 Jul 2019 Wenbin Zhang, Eirini Ntoutsi

However, there is a growing concern about the accountability and fairness of the employed models by the fact that often the available historic data is intrinsically discriminatory, i. e., the proportion of members sharing one or more sensitive attributes is higher than the proportion in the population as a whole when receiving positive classification, which leads to a lack of fairness in decision support system.

Decision Making Fairness

A Deterministic Self-Organizing Map Approach and its Application on Satellite Data based Cloud Type Classification

no code implementations24 Aug 2018 Wenbin Zhang, Jianwu Wang, Daeho Jin, Lazaros Oreopoulos, Zhibo Zhang

A self-organizing map (SOM) is a type of competitive artificial neural network, which projects the high-dimensional input space of the training samples into a low-dimensional space with the topology relations preserved.

General Classification

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