Search Results for author: Yue Xu

Found 39 papers, 13 papers with code

$\textit{LinkPrompt}$: Natural and Universal Adversarial Attacks on Prompt-based Language Models

1 code implementation25 Mar 2024 Yue Xu, Wenjie Wang

Prompt-based learning is a new language model training paradigm that adapts the Pre-trained Language Models (PLMs) to downstream tasks, which revitalizes the performance benchmarks across various natural language processing (NLP) tasks.

Adversarial Attack Language Modelling +1

Macro Graph Neural Networks for Online Billion-Scale Recommender Systems

1 code implementation26 Jan 2024 Hao Chen, Yuanchen Bei, Qijie Shen, Yue Xu, Sheng Zhou, Wenbing Huang, Feiran Huang, Senzhang Wang, Xiao Huang

Predicting Click-Through Rate (CTR) in billion-scale recommender systems poses a long-standing challenge for Graph Neural Networks (GNNs) due to the overwhelming computational complexity involved in aggregating billions of neighbors.

Recommendation Systems

Dancing with Still Images: Video Distillation via Static-Dynamic Disentanglement

1 code implementation1 Dec 2023 Ziyu Wang, Yue Xu, Cewu Lu, Yong-Lu Li

It first distills the videos into still images as static memory and then compensates the dynamic and motion information with a learnable dynamic memory block.

Disentanglement

EgoPCA: A New Framework for Egocentric Hand-Object Interaction Understanding

no code implementations ICCV 2023 Yue Xu, Yong-Lu Li, Zhemin Huang, Michael Xu Liu, Cewu Lu, Yu-Wing Tai, Chi-Keung Tang

With the surge in attention to Egocentric Hand-Object Interaction (Ego-HOI), large-scale datasets such as Ego4D and EPIC-KITCHENS have been proposed.

Action Recognition Temporal Action Localization

Towards Generic and Controllable Attacks Against Object Detection

1 code implementation23 Jul 2023 Guopeng Li, Yue Xu, Jian Ding, Gui-Song Xia

To this end, we propose a generic white-box attack, LGP (local perturbations with adaptively global attacks), to blind mainstream object detectors with controllable perturbations.

Object object-detection +1

Distill Gold from Massive Ores: Efficient Dataset Distillation via Critical Samples Selection

1 code implementation28 May 2023 Yue Xu, Yong-Lu Li, Kaitong Cui, Ziyu Wang, Cewu Lu, Yu-Wing Tai, Chi-Keung Tang

Our method consistently enhances the distillation algorithms, even on much larger-scale and more heterogeneous datasets, e. g. ImageNet-1K and Kinetics-400.

Multi-factor Sequential Re-ranking with Perception-Aware Diversification

no code implementations21 May 2023 Yue Xu, Hao Chen, Zefan Wang, Jianwen Yin, Qijie Shen, Dimin Wang, Feiran Huang, Lixiang Lai, Tao Zhuang, Junfeng Ge, Xia Hu

Feed recommendation systems, which recommend a sequence of items for users to browse and interact with, have gained significant popularity in practical applications.

Graph Clustering Recommendation Systems +1

Multi-channel Integrated Recommendation with Exposure Constraints

no code implementations21 May 2023 Yue Xu, Qijie Shen, Jianwen Yin, Zengde Deng, Dimin Wang, Hao Chen, Lixiang Lai, Tao Zhuang, Junfeng Ge

Integrated recommendation, which aims at jointly recommending heterogeneous items from different channels in a main feed, has been widely applied to various online platforms.

Recommendation Systems

Beyond Object Recognition: A New Benchmark towards Object Concept Learning

no code implementations ICCV 2023 Yong-Lu Li, Yue Xu, Xinyu Xu, Xiaohan Mao, Yuan YAO, SiQi Liu, Cewu Lu

To support OCL, we build a densely annotated knowledge base including extensive labels for three levels of object concept (category, attribute, affordance), and the causal relations of three levels.

Attribute Object +1

GPatch: Patching Graph Neural Networks for Cold-Start Recommendations

no code implementations25 Sep 2022 Hao Chen, Zefan Wang, Yue Xu, Xiao Huang, Feiran Huang

State-of-the-art solutions rely on training hybrid models for both cold-start and existing users/items, based on the auxiliary information.

Recommendation Systems

Flattened Graph Convolutional Networks For Recommendation

no code implementations25 Sep 2022 Yue Xu, Hao Chen, Zengde Deng, Yuanchen Bei, Feiran Huang

Third, we propose a layer ensemble technique which improves the expressiveness of the learned representations by assembling the layer-wise neighborhood representations at the final layer.

Efficient Long Sequential User Data Modeling for Click-Through Rate Prediction

no code implementations25 Sep 2022 Qiwei Chen, Yue Xu, Changhua Pei, Shanshan Lv, Tao Zhuang, Junfeng Ge

The results verify that the proposed model outperforms existing CTR models considerably, in terms of both CTR prediction performance and online cost-efficiency.

Click-Through Rate Prediction Recommendation Systems +1

Constructing Balance from Imbalance for Long-tailed Image Recognition

1 code implementation4 Aug 2022 Yue Xu, Yong-Lu Li, Jiefeng Li, Cewu Lu

Previous methods tackle with data imbalance from the viewpoints of data distribution, feature space, and model design, etc.

Intelligent Request Strategy Design in Recommender System

no code implementations23 Jun 2022 Xufeng Qian, Yue Xu, Fuyu Lv, Shengyu Zhang, Ziwen Jiang, Qingwen Liu, Xiaoyi Zeng, Tat-Seng Chua, Fei Wu

RSs typically put a large number of items into one page to reduce excessive resource consumption from numerous paging requests, which, however, would diminish the RSs' ability to timely renew the recommendations according to users' real-time interest and lead to a poor user experience.

Causal Inference counterfactual +1

Hybrid CNN Based Attention with Category Prior for User Image Behavior Modeling

no code implementations5 May 2022 Xin Chen, Qingtao Tang, Ke Hu, Yue Xu, Shihang Qiu, Jia Cheng, Jun Lei

In Meituan, one of the largest e-commerce platform in China, an item is typically displayed with its image and whether a user clicks the item or not is usually influenced by its image, which implies that user's image behaviors are helpful for understanding user's visual preference and improving the accuracy of CTR prediction.

Click-Through Rate Prediction

Neighbor Enhanced Graph Convolutional Networks for Node Classification and Recommendation

no code implementations30 Mar 2022 Hao Chen, Zhong Huang, Yue Xu, Zengde Deng, Feiran Huang, Peng He, Zhoujun Li

The experimental results verify that our proposed NEGCN framework can significantly enhance the performance for various typical GCN models on both node classification and recommendation tasks.

Classification Node Classification

HAKE: A Knowledge Engine Foundation for Human Activity Understanding

3 code implementations14 Feb 2022 Yong-Lu Li, Xinpeng Liu, Xiaoqian Wu, Yizhuo Li, Zuoyu Qiu, Liang Xu, Yue Xu, Hao-Shu Fang, Cewu Lu

Human activity understanding is of widespread interest in artificial intelligence and spans diverse applications like health care and behavior analysis.

Action Recognition Human-Object Interaction Detection +2

Learning Single/Multi-Attribute of Object with Symmetry and Group

1 code implementation9 Oct 2021 Yong-Lu Li, Yue Xu, Xinyu Xu, Xiaohan Mao, Cewu Lu

To model the compositional nature of these concepts, it is a good choice to learn them as transformations, e. g., coupling and decoupling.

Attribute Compositional Zero-Shot Learning

Building Interpretable Models for Business Process Prediction using Shared and Specialised Attention Mechanisms

no code implementations3 Sep 2021 Bemali Wickramanayake, Zhipeng He, Chun Ouyang, Catarina Moreira, Yue Xu, Renuka Sindhgatta

In this paper, we address the "black-box" problem in predictive process analytics by building interpretable models that are capable to inform both what and why is a prediction.

Attribute

Non-Recursive Graph Convolutional Networks

no code implementations9 May 2021 Hao Chen, Zengde Deng, Yue Xu, Zhoujun Li

In this way, each node can be directly represented by concatenating the information extracted independently from each hop of its neighbors thereby avoiding the recursive neighborhood expansion across layers.

Node Classification Representation Learning

Recent Advances in Data-Driven Wireless Communication Using Gaussian Processes: A Comprehensive Survey

no code implementations18 Mar 2021 Kai Chen, Qinglei Kong, Yijue Dai, Yue Xu, Feng Yin, Lexi Xu, Shuguang Cui

Empowered by big data and machine learning, next-generation data-driven communication systems will be intelligent with the characteristics of expressiveness, scalability, interpretability, and especially uncertainty modeling, which can confidently involve diversified latent demands and personalized services in the foreseeable future.

BIG-bench Machine Learning Gaussian Processes

Bayesian Inference Forgetting

1 code implementation16 Jan 2021 Shaopeng Fu, Fengxiang He, Yue Xu, DaCheng Tao

This paper proposes a {\it Bayesian inference forgetting} (BIF) framework to realize the right to be forgotten in Bayesian inference.

Bayesian Inference Variational Inference

Predicting Bit Error Rate from Meta Information using Random Forests

no code implementations10 Jul 2020 Jianyuan Yu, Yue Xu, Hussein Metwaly Saad, R. Michael Buehrer

With the increasing power of machine learning-based reasoning, the use of meta-information (e. g., digital signal modulation parameters, channel conditions, etc.)

Single-Layer Graph Convolutional Networks For Recommendation

no code implementations7 Jun 2020 Yue Xu, Hao Chen, Zengde Deng, Junxiong Zhu, Yanghua Li, Peng He, Wenyao Gao, Wenjun Xu

The results verify that the proposed model outperforms existing GCN models considerably and yields up to a few orders of magnitude speedup in training, in terms of the recommendation performance.

Recommendation Systems

Symmetry and Group in Attribute-Object Compositions

1 code implementation CVPR 2020 Yong-Lu Li, Yue Xu, Xiaohan Mao, Cewu Lu

To model the compositional nature of these general concepts, it is a good choice to learn them through transformations, such as coupling and decoupling.

 Ranked #1 on Compositional Zero-Shot Learning on MIT-States (Top-1 accuracy % metric)

Attribute Compositional Zero-Shot Learning +1

FedLoc: Federated Learning Framework for Data-Driven Cooperative Localization and Location Data Processing

no code implementations8 Mar 2020 Feng Yin, Zhidi Lin, Yue Xu, Qinglei Kong, Deshi Li, Sergios Theodoridis, Shuguang, Cui

In this overview paper, data-driven learning model-based cooperative localization and location data processing are considered, in line with the emerging machine learning and big data methods.

Federated Learning

Scalable Learning Paradigms for Data-Driven Wireless Communication

no code implementations1 Mar 2020 Yue Xu, Feng Yin, Wenjun Xu, Chia-Han Lee, Jia-Ru Lin, Shuguang Cui

The marriage of wireless big data and machine learning techniques revolutionizes the wireless system by the data-driven philosophy.

Philosophy

Label-Aware Graph Convolutional Networks

no code implementations10 Jul 2019 Hao Chen, Yue Xu, Feiran Huang, Zengde Deng, Wenbing Huang, Senzhang Wang, Peng He, Zhoujun Li

In this paper, we consider the problem of node classification and propose the Label-Aware Graph Convolutional Network (LAGCN) framework which can directly identify valuable neighbors to enhance the performance of existing GCN models.

General Classification Graph Classification +2

Voting-Based Multi-Agent Reinforcement Learning for Intelligent IoT

no code implementations2 Jul 2019 Yue Xu, Zengde Deng, Mengdi Wang, Wenjun Xu, Anthony Man-Cho So, Shuguang Cui

The recent success of single-agent reinforcement learning (RL) in Internet of things (IoT) systems motivates the study of multi-agent reinforcement learning (MARL), which is more challenging but more useful in large-scale IoT.

Decision Making Multi-agent Reinforcement Learning +2

Load Balancing for Ultra-Dense Networks: A Deep Reinforcement Learning Based Approach

no code implementations3 Jun 2019 Yue Xu, Wenjun Xu, Zhi Wang, Jia-Ru Lin, Shuguang Cui

Third, this work proposes an offline-evaluation based safeguard mechanism to ensure that the online system can always operate with the optimal and well-trained MLB policy, which not only stabilizes the online performance but also enables the exploration beyond current policies to make full use of machine learning in a safe way.

reinforcement-learning Reinforcement Learning (RL)

HAKE: Human Activity Knowledge Engine

4 code implementations13 Apr 2019 Yong-Lu Li, Liang Xu, Xinpeng Liu, Xijie Huang, Yue Xu, Mingyang Chen, Ze Ma, Shiyi Wang, Hao-Shu Fang, Cewu Lu

To address these and promote the activity understanding, we build a large-scale Human Activity Knowledge Engine (HAKE) based on the human body part states.

Ranked #2 on Human-Object Interaction Detection on HICO (using extra training data)

Action Detection Human-Object Interaction Detection +1

Wireless Traffic Prediction with Scalable Gaussian Process: Framework, Algorithms, and Verification

no code implementations13 Feb 2019 Yue Xu, Feng Yin, Wenjun Xu, Jia-Ru Lin, Shuguang Cui

First, to the best of our knowledge, this paper is the first to empower GP regression with the alternating direction method of multipliers (ADMM) for parallel hyper-parameter optimization in the training phase, where such a scalable training framework well balances the local estimation in baseband units (BBUs) and information consensus among BBUs in a principled way for large-scale executions.

regression Traffic Prediction

A Multi-channel Network with Image Retrieval for Accurate Brain Tissue Segmentation

no code implementations1 Aug 2018 Yao Sun, Yang Deng, Yue Xu, Shuo Zhang, Mingwang Zhu, Kehong Yuan

Magnetic Resonance Imaging (MRI) is widely used in the pathological and functional studies of the brain, such as epilepsy, tumor diagnosis, etc.

Image Retrieval Retrieval +1

Cannot find the paper you are looking for? You can Submit a new open access paper.