Search Results for author: Weiwei Zhang

Found 21 papers, 5 papers with code

Is AI Robust Enough for Scientific Research?

no code implementations19 Dec 2024 Jun-Jie Zhang, Jiahao Song, Xiu-Cheng Wang, Fu-Peng Li, Zehan Liu, Jian-Nan Chen, Haoning Dang, Shiyao Wang, Yiyan Zhang, Jianhui Xu, Chunxiang Shi, Fei Wang, Long-Gang Pang, Nan Cheng, Weiwei Zhang, Duo Zhang, Deyu Meng

We uncover a phenomenon largely overlooked by the scientific community utilizing AI: neural networks exhibit high susceptibility to minute perturbations, resulting in significant deviations in their outputs.

Weather Forecasting

DTN: Deep Multiple Task-specific Feature Interactions Network for Multi-Task Recommendation

no code implementations21 Aug 2024 Yaowen Bi, Yuteng Lian, Jie Cui, Jun Liu, Peijian Wang, Guanghui Li, Xuejun Chen, Jinglin Zhao, Hao Wen, Jing Zhang, Zhaoqi Zhang, Wenzhuo Song, Yang Sun, Weiwei Zhang, Mingchen Cai, Jian Dong, Guanxing Zhang

DTN introduces multiple diversified task-specific feature interaction methods and task-sensitive network in MTL networks, enabling the model to learn task-specific diversified feature interaction representations, which improves the efficiency of joint representation learning in a general setup.

Feature Importance Multi-Task Learning +2

An Outline of Prognostics and Health Management Large Model: Concepts, Paradigms, and Challenges

no code implementations1 Jul 2024 Laifa Tao, Shangyu Li, Haifei Liu, Qixuan Huang, Liang Ma, Guoao Ning, YiLing Chen, Yunlong Wu, Bin Li, Weiwei Zhang, Zhengduo Zhao, Wenchao Zhan, Wenyan Cao, Chao Wang, Hongmei Liu, Jian Ma, Mingliang Suo, Yujie Cheng, Yu Ding, Dengwei Song, Chen Lu

To this end, based on a systematic analysis of the current challenges and bottlenecks in PHM, as well as the research status and advantages of Large Model, we propose a novel concept and three progressive paradigms of Prognosis and Health Management Large Model (PHM-LM) through the integration of the Large Model with PHM.

Management Prognosis

DeTriever: Decoder-representation-based Retriever for Improving NL2SQL In-Context Learning

no code implementations12 Jun 2024 Yuxi Feng, Raymond Li, Zhenan Fan, Giuseppe Carenini, Mohammadreza Pourreza, Weiwei Zhang, Yong Zhang

While in-context Learning (ICL) has proven to be an effective technique to improve the performance of Large Language Models (LLMs) in a variety of complex tasks, notably in translating natural language questions into Structured Query Language (NL2SQL), the question of how to select the most beneficial demonstration examples remains an open research problem.

Decoder In-Context Learning

Deploying Graph Neural Networks in Wireless Networks: A Link Stability Viewpoint

no code implementations9 May 2024 Jun Li, Weiwei Zhang, Kang Wei, Guangji Chen, Long Shi, Wen Chen

In practical wireless systems, the communication links among nodes are usually unreliable due to wireless fading and receiver noise, consequently resulting in performance degradation of GNNs.

Combinatorial Optimization

SQL-Encoder: Improving NL2SQL In-Context Learning Through a Context-Aware Encoder

no code implementations24 Mar 2024 Mohammadreza Pourreza, Davood Rafiei, Yuxi Feng, Raymond Li, Zhenan Fan, Weiwei Zhang

Furthermore, compared to these competitive models, our proposed encoder enhances the downstream performance of NL2SQL models in 1-shot in-context learning scenarios by 1-2\% for GPT-3. 5-turbo, 4-8\% for CodeLlama-7B, and 2-3\% for CodeLlama-13B.

In-Context Learning

TSONN: Time-stepping-oriented neural network for solving partial differential equations

1 code implementation25 Oct 2023 Wenbo Cao, Weiwei Zhang

Deep neural networks (DNNs), especially physics-informed neural networks (PINNs), have recently become a new popular method for solving forward and inverse problems governed by partial differential equations (PDEs).

LaTeX: Language Pattern-aware Triggering Event Detection for Adverse Experience during Pandemics

no code implementations5 Oct 2023 Kaiqun Fu, Yangxiao Bai, Weiwei Zhang, Deepthi Kolady

The COVID-19 pandemic has accentuated socioeconomic disparities across various racial and ethnic groups in the United States.

Event Detection Survey

Optimize Weight Rounding via Signed Gradient Descent for the Quantization of LLMs

2 code implementations11 Sep 2023 Wenhua Cheng, Weiwei Zhang, Haihao Shen, Yiyang Cai, Xin He, Kaokao Lv, Yi Liu

Large Language Models (LLMs) have demonstrated exceptional proficiency in language-related tasks, but their deployment poses significant challenges due to substantial memory and storage requirements.

Quantization

Social media use among American Indians in South Dakota: Preferences and perceptions

no code implementations3 Jul 2023 Deepthi Kolady, Amrit Dumre, Weiwei Zhang, Kaiqun Fu, Marcia O'Leary, Laura Rose

Most of the participants reported that the use of social media increased tremendously during COVID-19 and had perceptions of more negative effects than positive effects.

Marketing Misinformation

Bootstrap The Original Latent: Learning a Private Model from a Black-box Model

no code implementations7 Mar 2023 Shuai Wang, Daoan Zhang, JianGuo Zhang, Weiwei Zhang, Rui Li

In this paper, considering the balance of data/model privacy of model owners and user needs, we propose a new setting called Back-Propagated Black-Box Adaptation (BPBA) for users to better train their private models via the guidance of the back-propagated results of a Black-box foundation/source model.

model

Testability-Aware Low Power Controller Design with Evolutionary Learning

1 code implementation26 Nov 2021 Min Li, Zhengyuan Shi, Zezhong Wang, Weiwei Zhang, Yu Huang, Qiang Xu

The proposed GA-guided XORNets also allows reducing the number of control bits, and the total testing time decreases by 20. 78% on average and up to 47. 09% compared to the existing design without sacrificing test coverage.

Image Magnification Network for Vessel Segmentation in OCTA Images

no code implementations26 Oct 2021 Mingchao Li, Yerui Chen, Weiwei Zhang, Qiang Chen

Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging modality that allows micron-level resolution to visualize the retinal microvasculature.

Decoder Retinal Vessel Segmentation +1

UCNN: A Convolutional Strategy on Unstructured Mesh

no code implementations12 Jan 2021 Mengfei Xu, Shufang Song, Xuxiang Sun, Weiwei Zhang

In order to overcome the limitations of FNN and CNN, the unstructured convolutional neural network (UCNN) is proposed, which aggregates and effectively exploits the features of neighbour nodes through the weight function.

Encoding Syntactic Knowledge in Transformer Encoder for Intent Detection and Slot Filling

no code implementations21 Dec 2020 Jixuan Wang, Kai Wei, Martin Radfar, Weiwei Zhang, Clement Chung

We propose a novel Transformer encoder-based architecture with syntactical knowledge encoded for intent detection and slot filling.

Intent Detection Multi-Task Learning +2

Machine Learning of Partial Differential Equations from Noise Data

1 code implementation28 Sep 2020 Wenbo Cao, Weiwei Zhang

Machine learning of partial differential equations from data is a potential breakthrough to solve the lack of physical equations in complex dynamic systems, but because numerical differentiation is ill-posed to noise data, noise has become the biggest obstacle in the application of partial differential equation identification method.

BIG-bench Machine Learning

FD-FCN: 3D Fully Dense and Fully Convolutional Network for Semantic Segmentation of Brain Anatomy

no code implementations22 Jul 2019 Bin-Bin Yang, Weiwei Zhang

Developed from the seminal FCN with an end-to-end learning-based approach and constructed by newly designed dense blocks including a dense fully-connected layer, the proposed FD-FCN is different from other FCN-based methods and leads to an outperformance in the perspective of both efficiency and accuracy.

Anatomy Semantic Segmentation

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