Search Results for author: Zhiyuan Wang

Found 21 papers, 5 papers with code

Enhance the performance of navigation: A two-stage machine learning approach

no code implementations2 Apr 2020 Yimin Fan, Zhiyuan Wang, Yuanpeng Lin, Haisheng Tan

We model the traffic flow as a time series and apply XGBoost algorithm to get accurate predictions on future traffic conditions(1st stage).

BIG-bench Machine Learning Ensemble Learning +2

From Personalized Medicine to Population Health: A Survey of mHealth Sensing Techniques

no code implementations2 Jul 2021 Zhiyuan Wang, Haoyi Xiong, Jie Zhang, Sijia Yang, Mehdi Boukhechba, Laura E. Barnes, Daqing Zhang, Dejing Dou

Mobile Sensing Apps have been widely used as a practical approach to collect behavioral and health-related information from individuals and provide timely intervention to promote health and well-beings, such as mental health and chronic cares.

Socially-Optimal Mechanism Design for Incentivized Online Learning

no code implementations29 Dec 2021 Zhiyuan Wang, Lin Gao, Jianwei Huang

Multi-arm bandit (MAB) is a classic online learning framework that studies the sequential decision-making in an uncertain environment.

Decision Making Edge-computing +1

Graph Neural Networks in IoT: A Survey

1 code implementation29 Mar 2022 Guimin Dong, Mingyue Tang, Zhiyuan Wang, Jiechao Gao, Sikun Guo, Lihua Cai, Robert Gutierrez, Bradford Campbell, Laura E. Barnes, Mehdi Boukhechba

The Internet of Things (IoT) boom has revolutionized almost every corner of people's daily lives: healthcare, home, transportation, manufacturing, supply chain, and so on.

Autonomous Vehicles

AACC: Asymmetric Actor-Critic in Contextual Reinforcement Learning

no code implementations3 Aug 2022 Wangyang Yue, Yuan Zhou, Xiaochuan Zhang, Yuchen Hua, Zhiyuan Wang, Guang Kou

Various methods, such as domain randomization, have been proposed to deal with such situations by training agents under different environmental setups, and therefore they can be generalized to different environments during deployment.

reinforcement-learning Reinforcement Learning (RL)

Adaptive Control of Client Selection and Gradient Compression for Efficient Federated Learning

no code implementations19 Dec 2022 Zhida Jiang, Yang Xu, Hongli Xu, Zhiyuan Wang, Chen Qian

Federated learning (FL) allows multiple clients cooperatively train models without disclosing local data.

Federated Learning

A Novel Noise Injection-based Training Scheme for Better Model Robustness

no code implementations17 Feb 2023 Zeliang Zhang, Jinyang Jiang, Minjie Chen, Zhiyuan Wang, Yijie Peng, Zhaofei Yu

Noise injection-based method has been shown to be able to improve the robustness of artificial neural networks in previous work.

Adversarial Robustness Computational Efficiency

Personalized State Anxiety Detection: An Empirical Study with Linguistic Biomarkers and A Machine Learning Pipeline

no code implementations19 Apr 2023 Zhiyuan Wang, Mingyue Tang, Maria A. Larrazabal, Emma R. Toner, Mark Rucker, Congyu Wu, Bethany A. Teachman, Mehdi Boukhechba, Laura E. Barnes

To address this concern, in Study 1, we collected linguistic data from N=35 high socially anxious participants in a variety of social contexts, finding that digital linguistic biomarkers significantly differ between evaluative vs. non-evaluative social contexts and between individuals having different trait psychological symptoms, suggesting the likely importance of personalized approaches to detect state anxiety.

Anxiety Detection

Diversifying the High-level Features for better Adversarial Transferability

2 code implementations20 Apr 2023 Zhiyuan Wang, Zeliang Zhang, Siyuan Liang, Xiaosen Wang

Incorporated into the input transformation-based attacks, DHF generates more transferable adversarial examples and outperforms the baselines with a clear margin when attacking several defense models, showing its generalization to various attacks and high effectiveness for boosting transferability.

Vocal Bursts Intensity Prediction

Caterpillar: A Pure-MLP Architecture with Shifted-Pillars-Concatenation

no code implementations28 May 2023 Jin Sun, Xiaoshuang Shi, Zhiyuan Wang, Kaidi Xu, Heng Tao Shen, Xiaofeng Zhu

Then, we build a pure-MLP architecture called Caterpillar by replacing the convolutional layer with the SPC module in a hybrid model of sMLPNet.

Computational Efficiency Inductive Bias

DiffuseGAE: Controllable and High-fidelity Image Manipulation from Disentangled Representation

no code implementations12 Jul 2023 Yipeng Leng, Qiangjuan Huang, Zhiyuan Wang, Yangyang Liu, Haoyu Zhang

To further explore the latent space of Diff-AE and achieve a generic editing pipeline, we proposed a module called Group-supervised AutoEncoder(dubbed GAE) for Diff-AE to achieve better disentanglement on the latent code.

Attribute Disentanglement +3

Efficient Semi-Supervised Federated Learning for Heterogeneous Participants

1 code implementation29 Jul 2023 Zhipeng Sun, Yang Xu, Hongli Xu, Zhiyuan Wang, Yunming Liao

Federated Learning (FL) has emerged to allow multiple clients to collaboratively train machine learning models on their private data.

Clustering Federated Learning

A ModelOps-based Framework for Intelligent Medical Knowledge Extraction

no code implementations4 Oct 2023 Hongxin Ding, Peinie Zou, Zhiyuan Wang, Junfeng Zhao, Yasha Wang, Qiang Zhou

Extracting medical knowledge from healthcare texts enhances downstream tasks like medical knowledge graph construction and clinical decision-making.

Decision Making graph construction +2

Scalable CP Decomposition for Tensor Learning using GPU Tensor Cores

no code implementations22 Nov 2023 Zeliang Zhang, Zhuo Liu, Susan Liang, Zhiyuan Wang, Yifan Zhu, Chen Ding, Chenliang Xu

However, the application of tensor decomposition is largely hindered by the exponential increment of the computational complexity and storage consumption with the size of tensors.

Computational Efficiency Tensor Decomposition

Spatial-Temporal Contrasting for Fine-Grained Urban Flow Inference

1 code implementation IEEE Transactions on Big Data 2023 Xovee Xu, Zhiyuan Wang, Qiang Gao, Ting Zhong, Bei Hui, Fan Zhou, Goce Trajcevski

Fine-grained urban flow inference (FUFI) problem aims to infer the fine-grained flow maps from coarse-grained ones, benefiting various smart-city applications by reducing electricity, maintenance, and operation costs.

Fine-Grained Urban Flow Inference Image Super-Resolution

HyKGE: A Hypothesis Knowledge Graph Enhanced Framework for Accurate and Reliable Medical LLMs Responses

no code implementations26 Dec 2023 Xinke Jiang, Ruizhe Zhang, Yongxin Xu, Rihong Qiu, Yue Fang, Zhiyuan Wang, Jinyi Tang, Hongxin Ding, Xu Chu, Junfeng Zhao, Yasha Wang

In this paper, we investigate the retrieval-augmented generation (RAG) based on Knowledge Graphs (KGs) to improve the accuracy and reliability of Large Language Models (LLMs).

Knowledge Graphs Multiple-choice +1

P2DT: Mitigating Forgetting in task-incremental Learning with progressive prompt Decision Transformer

no code implementations22 Jan 2024 Zhiyuan Wang, Xiaoyang Qu, Jing Xiao, Bokui Chen, Jianzong Wang

Catastrophic forgetting poses a substantial challenge for managing intelligent agents controlled by a large model, causing performance degradation when these agents face new tasks.

Incremental Learning reinforcement-learning

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