Search Results for author: Huayu Li

Found 32 papers, 11 papers with code

External Large Foundation Model: How to Efficiently Serve Trillions of Parameters for Online Ads Recommendation

no code implementations20 Feb 2025 Mingfu Liang, Xi Liu, Rong Jin, Boyang Liu, Qiuling Suo, Qinghai Zhou, Song Zhou, Laming Chen, Hua Zheng, Zhiyuan Li, Shali Jiang, Jiyan Yang, Xiaozhen Xia, Fan Yang, Yasmine Badr, Ellie Wen, Shuyu Xu, Hansey Chen, Zhengyu Zhang, Jade Nie, Chunzhi Yang, Zhichen Zeng, Weilin Zhang, Xingliang Huang, Qianru Li, Shiquan Wang, Evelyn Lyu, Wenjing Lu, Rui Zhang, Wenjun Wang, Jason Rudy, Mengyue Hang, Kai Wang, Yinbin Ma, Shuaiwen Wang, Sihan Zeng, Tongyi Tang, Xiaohan Wei, Longhao Jin, Jamey Zhang, Marcus Chen, Jiayi Zhang, Angie Huang, Chi Zhang, Zhengli Zhao, Jared Yang, Qiang Jin, Xian Chen, Amit Anand Amlesahwaram, Lexi Song, Liang Luo, Yuchen Hao, Nan Xiao, Yavuz Yetim, Luoshang Pan, Gaoxiang Liu, Yuxi Hu, Yuzhen Huang, Jackie Xu, Rich Zhu, Xin Zhang, Yiqun Liu, Hang Yin, Yuxin Chen, Buyun Zhang, Xiaoyi Liu, Xingyuan Wang, Wenguang Mao, Zhijing Li, Zhehui Zhou, Feifan Gu, Qin Huang, Chonglin Sun, Nancy Yu, Shuo Gu, Shupin Mao, Benjamin Au, Jingzheng Qin, Peggy Yao, Jae-Woo Choi, Bin Gao, Ernest Wang, Lei Zhang, Wen-Yen Chen, Ted Lee, Jay Zha, Yi Meng, Alex Gong, Edison Gao, Alireza Vahdatpour, Yiping Han, Yantao Yao, Toshinari Kureha, Shuo Chang, Musharaf Sultan, John Bocharov, Sagar Chordia, Xiaorui Gan, Peng Sun, Rocky Liu, Bo Long, Wenlin Chen, Santanu Kolay, Huayu Li

Second, large-volume data arrive in a streaming mode with data distributions dynamically shifting, as new users/ads join and existing users/ads leave the system.

Data Augmentation

Sequence Complementor: Complementing Transformers For Time Series Forecasting with Learnable Sequences

no code implementations6 Jan 2025 Xiwen Chen, Peijie Qiu, Wenhui Zhu, Huayu Li, Hao Wang, Aristeidis Sotiras, Yalin Wang, Abolfazl Razi

Since its introduction, the transformer has shifted the development trajectory away from traditional models (e. g., RNN, MLP) in time series forecasting, which is attributed to its ability to capture global dependencies within temporal tokens.

Time Series Time Series Forecasting

Enhancing Graph Neural Networks in Large-scale Traffic Incident Analysis with Concurrency Hypothesis

1 code implementation4 Nov 2024 Xiwen Chen, Sayed Pedram Haeri Boroujeni, Xin Shu, Huayu Li, Abolfazl Razi

The extensive experiments, utilizing real-world data across states and cities in the USA, demonstrate that integrating CP into 12 state-of-the-art GNN architectures leads to significant improvements, with gains ranging from 3% to 13% in F1 score and 1. 3% to 9% in AUC metrics.

Graph Neural Network

Walk Wisely on Graph: Knowledge Graph Reasoning with Dual Agents via Efficient Guidance-Exploration

1 code implementation3 Aug 2024 Zijian Wang, Bin Wang, Haifeng Jing, Huayu Li, Hongbo Dou

The high-level agent walks on the simplified knowledge graph to provide stage-wise hints for the low-level agent walking on the original knowledge graph.

Hierarchical Reinforcement Learning Knowledge Graphs

TimeMIL: Advancing Multivariate Time Series Classification via a Time-aware Multiple Instance Learning

3 code implementations6 May 2024 Xiwen Chen, Peijie Qiu, Wenhui Zhu, Huayu Li, Hao Wang, Aristeidis Sotiras, Yalin Wang, Abolfazl Razi

Deep neural networks, including transformers and convolutional neural networks, have significantly improved multivariate time series classification (MTSC).

Multiple Instance Learning Time Series +1

Enhancing Digital Hologram Reconstruction Using Reverse-Attention Loss for Untrained Physics-Driven Deep Learning Models with Uncertain Distance

no code implementations11 Jan 2024 Xiwen Chen, Hao Wang, Zhao Zhang, Zhenmin Li, Huayu Li, Tong Ye, Abolfazl Razi

Untrained Physics-based Deep Learning (DL) methods for digital holography have gained significant attention due to their benefits, such as not requiring an annotated training dataset, and providing interpretability since utilizing the governing laws of hologram formation.

SSIM

LogicNet: A Logical Consistency Embedded Face Attribute Learning Network

no code implementations19 Nov 2023 Haiyu Wu, Sicong Tian, Huayu Li, Kevin W. Bowyer

We explore the potential reasons for this oversight and introduce two pressing challenges to the field: 1) How can we ensure that a model, when trained with data checked for logical consistency, yields predictions that are logically consistent?

Attribute

PACOL: Poisoning Attacks Against Continual Learners

no code implementations18 Nov 2023 Huayu Li, Gregory Ditzler

In this work, we demonstrate that continual learning systems can be manipulated by malicious misinformation and present a new category of data poisoning attacks specific for continual learners, which we refer to as {\em Poisoning Attacks Against Continual Learners} (PACOL).

Continual Learning Data Poisoning +2

Scaling User Modeling: Large-scale Online User Representations for Ads Personalization in Meta

no code implementations16 Nov 2023 Wei zhang, Dai Li, Chen Liang, Fang Zhou, Zhongke Zhang, Xuewei Wang, Ru Li, Yi Zhou, Yaning Huang, Dong Liang, Kai Wang, Zhangyuan Wang, Zhengxing Chen, Fenggang Wu, Minghai Chen, Huayu Li, Yunnan Wu, Zhan Shu, Mindi Yuan, Sri Reddy

To address these challenges, we present Scaling User Modeling (SUM), a framework widely deployed in Meta's ads ranking system, designed to facilitate efficient and scalable sharing of online user representation across hundreds of ads models.

Representation Learning

MTS-LOF: Medical Time-Series Representation Learning via Occlusion-Invariant Features

1 code implementation19 Oct 2023 Huayu Li, Ana S. Carreon-Rascon, Xiwen Chen, Geng Yuan, Ao Li

MTS-LOF leverages the strengths of contrastive learning and Masked Autoencoder (MAE) methods, offering a unique approach to representation learning for medical time series data.

Contrastive Learning Representation Learning +2

Learning on Bandwidth Constrained Multi-Source Data with MIMO-inspired DPP MAP Inference

no code implementations4 Jun 2023 Xiwen Chen, Huayu Li, Rahul Amin, Abolfazl Razi

A determinant-preserved sparse representation of selected samples is used to perform sample precoding in local sources to be processed by DPP.

Diversity

Knowledge Distillation Under Ideal Joint Classifier Assumption

no code implementations19 Apr 2023 Huayu Li, Xiwen Chen, Gregory Ditzler, Janet Roveda, Ao Li

Within this context, softmax regression representation learning serves as a widely embraced approach, leveraging a pre-established teacher network to guide the learning process of a diminutive student network.

Domain Adaptation Knowledge Distillation +3

RD-DPP: Rate-Distortion Theory Meets Determinantal Point Process to Diversify Learning Data Samples

no code implementations9 Apr 2023 Xiwen Chen, Huayu Li, Rahul Amin, Abolfazl Razi

However, the number of selected samples is restricted to the rank of the kernel matrix implied by the dimensionality of data samples.

Diversity

A Transformer-based Diffusion Probabilistic Model for Heart Rate and Blood Pressure Forecasting in Intensive Care Unit

1 code implementation16 Jan 2023 Ping Chang, Huayu Li, Stuart F. Quan, Shuyang Lu, Shu-Fen Wung, Janet Roveda, Ao Li

The TDSTF model showed state-of-the-art performance in predicting vital signs in the ICU, outperforming other models' ability to predict distributions of vital signs and being more computationally efficient.

Time Series Time Series Forecasting

Semantic Framework based Query Generation for Temporal Question Answering over Knowledge Graphs

no code implementations10 Oct 2022 Wentao Ding, Hao Chen, Huayu Li, Yuzhong Qu

Answering factual questions with temporal intent over knowledge graphs (temporal KGQA) attracts rising attention in recent years.

Knowledge Graphs Question Answering

DeScoD-ECG: Deep Score-Based Diffusion Model for ECG Baseline Wander and Noise Removal

1 code implementation31 Jul 2022 Huayu Li, Gregory Ditzler, Janet Roveda, Ao Li

Significance: This study is one of the first to extend the conditional diffusion-based generative model for ECG noise removal, and the DeScoD-ECG has the potential to be widely used in biomedical applications.

ECG Denoising

DHEN: A Deep and Hierarchical Ensemble Network for Large-Scale Click-Through Rate Prediction

no code implementations11 Mar 2022 Buyun Zhang, Liang Luo, Xi Liu, Jay Li, Zeliang Chen, Weilin Zhang, Xiaohan Wei, Yuchen Hao, Michael Tsang, Wenjun Wang, Yang Liu, Huayu Li, Yasmine Badr, Jongsoo Park, Jiyan Yang, Dheevatsa Mudigere, Ellie Wen

To overcome the challenge brought by DHEN's deeper and multi-layer structure in training, we propose a novel co-designed training system that can further improve the training efficiency of DHEN.

Click-Through Rate Prediction

Deep Learning Serves Traffic Safety Analysis: A Forward-looking Review

no code implementations7 Mar 2022 Abolfazl Razi, Xiwen Chen, Huayu Li, Hao Wang, Brendan Russo, Yan Chen, Hongbin Yu

This paper explores Deep Learning (DL) methods that are used or have the potential to be used for traffic video analysis, emphasizing driving safety for both Autonomous Vehicles (AVs) and human-operated vehicles.

Anomaly Detection Autonomous Vehicles +6

Deep DIH : Statistically Inferred Reconstruction of Digital In-Line Holography by Deep Learning

1 code implementation25 Apr 2020 Huayu Li, Xiwen Chen, Haiyu Wu, Zaoyi Chi, Christopher Mann, Abolfazl Razi

Recently, end-to-end deep learning-based methods have been utilized to reconstruct the object wavefront (as a surrogate for the 3D structure of the object) directly from a single-shot in-line digital hologram.

Deep Learning

Channel Locality Block: A Variant of Squeeze-and-Excitation

no code implementations6 Jan 2019 Huayu Li

In this paper, we proposed a variant of SE block based on channel locality.

Cognitive Consistency Routing Algorithm of Capsule-network

no code implementations27 Aug 2018 Huayu Li

Artificial Neural Networks (ANNs) are computational models inspired by the central nervous system (especially the brain) of animals and are used to estimate or generate unknown approximation functions relied on large amounts of inputs.

A Context-aware Attention Network for Interactive Question Answering

no code implementations22 Dec 2016 Huayu Li, Martin Renqiang Min, Yong Ge, Asim Kadav

Employing these attention mechanisms, our model accurately understands when it can output an answer or when it requires generating a supplementary question for additional input depending on different contexts.

Decoder Question Answering +1

Point-of-Interest Recommendations: Learning Potential Check-ins from Friends

1 code implementation1 Aug 2016 Huayu Li, Yong Ge, Richang Hong, Hengshu Zhu

The emergence of Location-based Social Network (LBSN) services provides a wonderful opportunity to build personalized Point-of-Interest (POI) recommender systems.

Decision Making Recommendation Systems

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