no code implementations • 20 Feb 2024 • Wenqian Ye, Guangtao Zheng, Xu Cao, Yunsheng Ma, Xia Hu, Aidong Zhang
Machine learning systems are known to be sensitive to spurious correlations between biased features of the inputs (e. g., background, texture, and secondary objects) and the corresponding labels.
2 code implementations • 20 Feb 2024 • Guangzhi Xiong, Qiao Jin, Zhiyong Lu, Aidong Zhang
However, a RAG system can involve multiple flexible components, and there is a lack of best practices regarding the optimal RAG setting for various medical purposes.
1 code implementation • 20 Dec 2023 • Guangtao Zheng, Mengdi Huai, Aidong Zhang
Then, we propose Adversarial learning with Semantics Transformations (AdvST) that augments the source domain data with semantics transformations and learns a robust model with the augmented data.
no code implementations • 19 Dec 2023 • Jianhui Sun, Xidong Wu, Heng Huang, Aidong Zhang
To our best knowledge, this is the first work that thoroughly analyzes the performances of server momentum with a hyperparameter scheduler and system heterogeneity.
no code implementations • 1 Nov 2023 • Jiayi Chen, Hanjun Dai, Bo Dai, Aidong Zhang, Wei Wei
However, prior works for Few-shot VDER mainly address the problem at the document level with a predefined global entity space, which doesn't account for the entity-level few-shot scenario: target entity types are locally personalized by each task and entity occurrences vary significantly among documents.
1 code implementation • NeurIPS 2023 • Xidong Wu, Jianhui Sun, Zhengmian Hu, Aidong Zhang, Heng Huang
We propose FL algorithms (FedSGDA+ and FedSGDA-M) and reduce existing complexity results for the most common minimax problems.
no code implementations • 17 Jul 2023 • Jing Ma, Ruocheng Guo, Aidong Zhang, Jundong Li
A prerequisite for existing methods to achieve counterfactual fairness is the prior human knowledge of the causal model for the data.
1 code implementation • 5 Jun 2023 • Jianhui Sun, Sanchit Sinha, Aidong Zhang
We approximate the dynamic of PGD-AT by a continuous-time Stochastic Differential Equation (SDE), and show that the diffusion term of this SDE determines the robust generalization.
no code implementations • 29 Nov 2022 • Sanchit Sinha, Mengdi Huai, Jianhui Sun, Aidong Zhang
Subsequently, we propose a potential general adversarial training-based defense mechanism to increase robustness of these systems to the proposed malicious attacks.
no code implementations • 16 Oct 2022 • Jing Ma, Ruocheng Guo, Saumitra Mishra, Aidong Zhang, Jundong Li
Counterfactual explanations promote explainability in machine learning models by answering the question "how should an input instance be perturbed to obtain a desired predicted label?".
3 code implementations • Proceedings of the 26th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining 2022 • Guangxu Xun, Kishlay Jha, Jianhui Sun, Aidong Zhang
This paper develops the Correlation Networks (CorNet) architecture for the extreme multi-label text classification (XMTC) task, where the objective is to tag an input text sequence with the most relevant subset of labels from an extremely large label set.
Multi Label Text Classification Multi-Label Text Classification +2
1 code implementation • 10 Jan 2022 • Jing Ma, Ruocheng Guo, Mengting Wan, Longqi Yang, Aidong Zhang, Jundong Li
In this framework, we generate counterfactuals corresponding to perturbations on each node's and their neighbors' sensitive attributes.
no code implementations • 17 May 2021 • Jiayi Chen, Aidong Zhang
To deal with task heterogeneity and promote fast within-task adaptions for each type of tasks, in this paper, we propose HetMAML, a task-heterogeneous model-agnostic meta-learning framework, which can capture both the type-specific and globally shared knowledge and can achieve the balance between knowledge customization and generalization.
1 code implementation • 5 Feb 2020 • Liuyi Yao, Zhixuan Chu, Sheng Li, Yaliang Li, Jing Gao, Aidong Zhang
Embraced with the rapidly developed machine learning area, various causal effect estimation methods for observational data have sprung up.
no code implementations • 3 Jun 2019 • Tianle Ma, Aidong Zhang
To address this challenge, we developed the Factor Graph Neural Network model that is interpretable and predictable by combining probabilistic graphical models with deep learning.
1 code implementation • NeurIPS 2018 • Liuyi Yao, Sheng Li, Yaliang Li, Mengdi Huai, Jing Gao, Aidong Zhang
Estimating individual treatment effect (ITE) is a challenging problem in causal inference, due to the missing counterfactuals and the selection bias.
no code implementations • 6 Sep 2018 • Tianle Ma, Aidong Zhang
Our framework employs deep representation learning to learn feature embeddings and patient embeddings simultaneously, enabling us to integrate feature interaction network and patient view similarity network constraints into the training objective.
1 code implementation • 22 May 2018 • Tianle Ma, Aidong Zhang
The kNN attention pooling layer is a generalization of the Graph Attention Model (GAM), and can be applied to not only graphs but also any set of objects regardless of whether a graph is given or not.