Search Results for author: Qiong Wu

Found 83 papers, 40 papers with code

A Survey on Semantic Communications in Internet of Vehicles

no code implementations3 Mar 2025 Sha Ye, Qiong Wu, Pingyi Fan, Qiang Fan

Internet of Vehicles (IoV), as the core of intelligent transportation system, enables comprehensive interconnection between vehicles and their surroundings through multiple communication modes, which is significant for autonomous driving and intelligent traffic management.

Autonomous Driving Management +2

PPO-Based Vehicle Control for Ramp Merging Scheme Assisted by Enhanced C-V2X

1 code implementation22 Jan 2025 Qiong Wu, Maoxin Ji, Pingyi Fan, Kezhi Wang, Nan Cheng, Wen Chen, Khaled B. Letaief

On-ramp merging presents a critical challenge in autonomous driving, as vehicles from merging lanes need to dynamically adjust their positions and speeds while monitoring traffic on the main road to prevent collisions.

Autonomous Driving

Enhanced SPS Velocity-adaptive Scheme: Access Fairness in 5G NR V2I Networks

1 code implementation14 Jan 2025 Xiao Xu, Qiong Wu, Pingyi Fan, Kezhi Wang

Vehicle-to-Infrastructure (V2I) technology enables information exchange between vehicles and road infrastructure.

Fairness Scheduling

What Kind of Visual Tokens Do We Need? Training-free Visual Token Pruning for Multi-modal Large Language Models from the Perspective of Graph

1 code implementation4 Jan 2025 Yutao Jiang, Qiong Wu, Wenhao Lin, Wei Yu, Yiyi Zhou

Recent Multimodal Large Language Models(MLLMs) often use a large number of visual tokens to compensate their visual shortcoming, leading to excessive computation and obvious visual redundancy.

TextVQA

Cross-View Image Set Geo-Localization

no code implementations25 Dec 2024 Qiong Wu, Panwang Xia, Lei Yu, Yi Liu, Mingtao Xiong, Liheng Zhong, Jingdong Chen, Ming Yang, Yongjun Zhang, Yi Wan

Therefore, we propose a novel task: Cross-View Image Set Geo-Localization (Set-CVGL), which gathers multiple images with diverse perspectives as a query set for localization.

geo-localization

Cross-View Geo-Localization with Street-View and VHR Satellite Imagery in Decentrality Settings

2 code implementations16 Dec 2024 Panwang Xia, Lei Yu, Yi Wan, Qiong Wu, Peiqi Chen, Liheng Zhong, Yongxiang Yao, Dong Wei, Xinyi Liu, Lixiang Ru, Yingying Zhang, Jiangwei Lao, Jingdong Chen, Ming Yang, Yongjun Zhang

To address this limitation, we introduce DReSS (Decentrality Related Street-view and Satellite-view dataset), a novel dataset designed to evaluate cross-view geo-localization with a large geographic scope and diverse landscapes, emphasizing the decentrality issue.

Disaster Response geo-localization +1

Accelerating Multimodal Large Language Models via Dynamic Visual-Token Exit and the Empirical Findings

1 code implementation29 Nov 2024 Qiong Wu, Wenhao Lin, Weihao Ye, Yiyi Zhou, Xiaoshuai Sun, Rongrong Ji

In particular, we reveal that visual tokens will stop contributing to reasoning when the text tokens receive enough image information, yielding obvious visual redundancy.

Multimodal Reasoning

DRL-Based Optimization for AoI and Energy Consumption in C-V2X Enabled IoV

1 code implementation20 Nov 2024 Zheng Zhang, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Khaled B. Letaief

Therefore, this paper analyzes the effects of multi-priority queues and NOMA on AoI in the C-V2X vehicular communication system and proposes an energy consumption and AoI optimization method based on DRL.

Deep Reinforcement Learning Scheduling

V2X-Assisted Distributed Computing and Control Framework for Connected and Automated Vehicles under Ramp Merging Scenario

1 code implementation30 Oct 2024 Qiong Wu, Jiahou Chu, Pingyi Fan, Kezhi Wang, Nan Cheng, Wen Chen, Khaled B. Letaief

Firstly, a centralized cooperative trajectory planning problem is formulated subject to the safely constraints and traffic performance in ramp merging scenario, where the trajectories of all vehicles are jointly optimized.

Distributed Computing Model Predictive Control +1

A Comprehensive Survey on Joint Resource Allocation Strategies in Federated Edge Learning

no code implementations10 Oct 2024 Jingbo Zhang, Qiong Wu, Pingyi Fan, Qiang Fan

Federated Edge Learning (FEL), an emerging distributed Machine Learning (ML) paradigm, enables model training in a distributed environment while ensuring user privacy by using physical separation for each user data.

Federated Learning

Blockchain-Enabled Variational Information Bottleneck for Data Extraction Based on Mutual Information in Internet of Vehicles

no code implementations20 Sep 2024 Cui Zhang, Wenjun Zhang, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Khaled B. Letaief

The Internet of Vehicles (IoV) network can address the issue of limited computing resources and data processing capabilities of individual vehicles, but it also brings the risk of privacy leakage to vehicle users.

Data Compression Data Interaction

Fit and Prune: Fast and Training-free Visual Token Pruning for Multi-modal Large Language Models

1 code implementation16 Sep 2024 Weihao Ye, Qiong Wu, Wenhao Lin, Yiyi Zhou

In this paper, we propose a novel and training-free approach for the effective visual token pruning of MLLMs, termed FitPrune, which can quickly produce a complete pruning recipe for MLLMs according to a pre-defined budget.

DRL-Based Federated Self-Supervised Learning for Task Offloading and Resource Allocation in ISAC-Enabled Vehicle Edge Computing

1 code implementation27 Aug 2024 Xueying Gu, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Khaled B. Letaief

Our improved algorithm offloads partial task to RSU and optimizes energy consumption by adjusting transmission power, CPU frequency, and task assignment ratios, balancing local and RSU-based training.

Edge-computing Self-Supervised Learning

DRL-Based Resource Allocation for Motion Blur Resistant Federated Self-Supervised Learning in IoV

1 code implementation17 Aug 2024 Xueying Gu, Qiong Wu, Pingyi Fan, Qiang Fan, Nan Cheng, Wen Chen, Khaled B. Letaief

In the Internet of Vehicles (IoV), Federated Learning (FL) provides a privacy-preserving solution by aggregating local models without sharing data.

Deep Reinforcement Learning Federated Learning +2

Mobility-Aware Federated Self-supervised Learning in Vehicular Network

no code implementations1 Aug 2024 Xueying Gu, Qiong Wu, Pingyi Fan, Qiang Fan

Federated Learning (FL) is an advanced distributed machine learning approach, that protects the privacy of each vehicle by allowing the model to be trained on multiple devices simultaneously without the need to upload all data to a road side unit (RSU).

Federated Learning Self-Supervised Learning

Reconfigurable Intelligent Surface Aided Vehicular Edge Computing: Joint Phase-shift Optimization and Multi-User Power Allocation

1 code implementation18 Jul 2024 Kangwei Qi, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Khaled B. Letaief

To address the scheme, we propose an innovative deep reinforcement learning (DRL) framework that combines the Deep Deterministic Policy Gradient (DDPG) algorithm for optimizing RIS phase-shift coefficients and the Multi-Agent Deep Deterministic Policy Gradient (MADDPG) algorithm for optimizing the power allocation of vehicle user (VU).

Deep Reinforcement Learning Edge-computing

Joint Optimization of Age of Information and Energy Consumption in NR-V2X System based on Deep Reinforcement Learning

1 code implementation11 Jul 2024 Shulin Song, Zheng Zhang, Qiong Wu, Qiang Fan, Pingyi Fan

To address this, 3GPP has developed Vehicle-to-Everything (V2X) specifications based on 5G New Radio (NR) technology, where Mode 2 Side-Link (SL) communication resembles Mode 4 in LTE-V2X, allowing direct communication between vehicles.

Autonomous Driving Deep Reinforcement Learning

Distributed Deep Reinforcement Learning Based Gradient Quantization for Federated Learning Enabled Vehicle Edge Computing

no code implementations11 Jul 2024 Cui Zhang, Wenjun Zhang, Qiong Wu, Pingyi Fan, Qiang Fan, Jiangzhou Wang, Khaled B. Letaief

Federated Learning (FL) can protect the privacy of the vehicles in vehicle edge computing (VEC) to a certain extent through sharing the gradients of vehicles' local models instead of local data.

Deep Reinforcement Learning Edge-computing +2

A Machine Learning and Explainable AI Framework Tailored for Unbalanced Experimental Catalyst Discovery

1 code implementation10 Jul 2024 Parastoo Semnani, Mihail Bogojeski, Florian Bley, Zizheng Zhang, Qiong Wu, Thomas Kneib, Jan Herrmann, Christoph Weisser, Florina Patcas, Klaus-Robert Müller

To address these challenges, we introduce a robust machine learning and explainable AI (XAI) framework to accurately classify the catalytic yield of various compositions and identify the contributions of individual components.

Graph Neural Networks and Deep Reinforcement Learning Based Resource Allocation for V2X Communications

1 code implementation9 Jul 2024 Maoxin Ji, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Jiangzhou Wang, Khaled B. Letaief

In the rapidly evolving landscape of Internet of Vehicles (IoV) technology, Cellular Vehicle-to-Everything (C-V2X) communication has attracted much attention due to its superior performance in coverage, latency, and throughput.

Deep Reinforcement Learning

Channel Characterization of IRS-assisted Resonant Beam Communication Systems

no code implementations7 Jul 2024 Wen Fang, Wen Chen, Qingqing Wu, Xusheng Zhu, Qiong Wu, Nan Cheng

The resonant beam communication (RBC) system, which employs spatially separated laser cavities as the transmitter and receiver, is a high-speed OWC technology capable of self-alignment without tracking.

Optimizing Age of Information in Vehicular Edge Computing with Federated Graph Neural Network Multi-Agent Reinforcement Learning

1 code implementation1 Jul 2024 Wenhua Wang, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Jiangzhou Wang, Khaled B. Letaief

This paper focuses on the Age of Information (AoI) as a key metric for data freshness and explores task offloading issues for vehicles under RSU communication resource constraints.

Deep Reinforcement Learning Edge-computing +3

CAT: Interpretable Concept-based Taylor Additive Models

1 code implementation25 Jun 2024 Viet Duong, Qiong Wu, Zhengyi Zhou, Hongjue Zhao, Chenxiang Luo, Eric Zavesky, Huaxiu Yao, Huajie Shao

Importantly, it can explain model predictions through high-level concepts that human can understand.

Additive models

Proceedings of The second international workshop on eXplainable AI for the Arts (XAIxArts)

no code implementations20 Jun 2024 Nick Bryan-Kinns, Corey Ford, Shuoyang Zheng, Helen Kennedy, Alan Chamberlain, Makayla Lewis, Drew Hemment, Zijin Li, Qiong Wu, Lanxi Xiao, Gus Xia, Jeba Rezwana, Michael Clemens, Gabriel Vigliensoni

This second international workshop on explainable AI for the Arts (XAIxArts) brought together a community of researchers in HCI, Interaction Design, AI, explainable AI (XAI), and digital arts to explore the role of XAI for the Arts.

Deep-Reinforcement-Learning-Based AoI-Aware Resource Allocation for RIS-Aided IoV Networks

1 code implementation17 Jun 2024 Kangwei Qi, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Jiangzhou Wang, Khaled B. Letaief

Reconfigurable Intelligent Surface (RIS) is a pivotal technology in communication, offering an alternative path that significantly enhances the link quality in wireless communication environments.

Deep Reinforcement Learning

Reconfigurable Intelligent Surface Assisted VEC Based on Multi-Agent Reinforcement Learning

1 code implementation17 Jun 2024 Kangwei Qi, Qiong Wu, Pingyi Fan, Nan Cheng, Qiang Fan, Jiangzhou Wang

Vehicular edge computing (VEC) is an emerging technology that enables vehicles to perform high-intensity tasks by executing tasks locally or offloading them to nearby edge devices.

Deep Reinforcement Learning Edge-computing +1

IMFL-AIGC: Incentive Mechanism Design for Federated Learning Empowered by Artificial Intelligence Generated Content

no code implementations12 Jun 2024 Guangjing Huang, Qiong Wu, Jingyi Li, Xu Chen

Federated learning (FL) has emerged as a promising paradigm that enables clients to collaboratively train a shared global model without uploading their local data.

Federated Learning

Semantic-Aware Spectrum Sharing in Internet of Vehicles Based on Deep Reinforcement Learning

1 code implementation11 Jun 2024 Zhiyu Shao, Qiong Wu, Pingyi Fan, Nan Cheng, Wen Chen, Jiangzhou Wang, Khaled B. Letaief

This optimization encompasses the optimal link of V2V and V2I sharing strategies, the transmission power for vehicles sending semantic information and the length of transmitted semantic symbols, aiming at maximizing HSSE of V2I and enhancing success rate of effective semantic information transmission (SRS) of V2V.

Deep Reinforcement Learning reinforcement-learning +1

WirelessLLM: Empowering Large Language Models Towards Wireless Intelligence

no code implementations27 May 2024 Jiawei Shao, Jingwen Tong, Qiong Wu, Wei Guo, Zijian Li, Zehong Lin, Jun Zhang

To empower LLMs with knowledge and expertise in the wireless domain, this paper proposes WirelessLLM, a comprehensive framework for adapting and enhancing LLMs to address the unique challenges and requirements of wireless communication networks.

Prompt Engineering

Anti-Byzantine Attacks Enabled Vehicle Selection for Asynchronous Federated Learning in Vehicular Edge Computing

no code implementations12 Apr 2024 Cui Zhang, Xiao Xu, Qiong Wu, Pingyi Fan, Qiang Fan, Huiling Zhu, Jiangzhou Wang

In this scheme, vehicle s mobility, channel conditions with temporal variations, computational resources with temporal variations, different data amount, transmission channel status of vehicles as well as Byzantine attacks were taken into account. Simulation results show that the proposed scheme effectively improves the safety and accuracy of the global model.

Deep Reinforcement Learning Edge-computing +1

Not All Attention is Needed: Parameter and Computation Efficient Transfer Learning for Multi-modal Large Language Models

1 code implementation22 Mar 2024 Qiong Wu, Weihao Ye, Yiyi Zhou, Xiaoshuai Sun, Rongrong Ji

In this paper, we propose a novel parameter and computation efficient tuning method for Multi-modal Large Language Models (MLLMs), termed Efficient Attention Skipping (EAS).

All Transfer Learning

Blockchain-Enabled Variational Information Bottleneck for IoT Networks

1 code implementation10 Mar 2024 Qiong Wu, Le Kuai, Pingyi Fan, Qiang Fan, Junhui Zhao, Jiangzhou Wang

In Internet of Things (IoT) networks, the amount of data sensed by user devices may be huge, resulting in the serious network congestion.

Data Compression Decoder

Cooperative Edge Caching Based on Elastic Federated and Multi-Agent Deep Reinforcement Learning in Next-Generation Network

1 code implementation18 Jan 2024 Qiong Wu, Wenhua Wang, Pingyi Fan, Qiang Fan, Huiling Zhu, Khaled B. Letaief

Finally, we propose a multi-agent deep reinforcement learning (MADRL) based algorithm to decide where the predicted popular contents are collaboratively cached among SBSs.

Deep Reinforcement Learning Federated Learning +1

Efficient Toxic Content Detection by Bootstrapping and Distilling Large Language Models

no code implementations13 Dec 2023 Jiang Zhang, Qiong Wu, Yiming Xu, Cheng Cao, Zheng Du, Konstantinos Psounis

Furthermore, student LMs fine-tuned with rationales extracted via DToT outperform baselines on all datasets with up to 16. 9\% accuracy improvement, while being more than 60x smaller than conventional LLMs.

In-Context Learning

URLLC-Awared Resource Allocation for Heterogeneous Vehicular Edge Computing

no code implementations30 Nov 2023 Qiong Wu, Wenhua Wang, Pingyi Fan, Qiang Fan, Jiangzhou Wang, Khaled B. Letaief

Vehicular edge computing (VEC) is a promising technology to support real-time vehicular applications, where vehicles offload intensive computation tasks to the nearby VEC server for processing.

Deep Reinforcement Learning Edge-computing

FedDD: Toward Communication-efficient Federated Learning with Differential Parameter Dropout

no code implementations31 Aug 2023 Zhiying Feng, Xu Chen, Qiong Wu, Wen Wu, Xiaoxi Zhang, Qianyi Huang

FedDD consists of two key modules: dropout rate allocation and uploaded parameter selection, which will optimize the model parameter uploading ratios tailored to different clients' heterogeneous conditions and also select the proper set of important model parameters for uploading subject to clients' dropout rate constraints.

Federated Learning

General-Purpose Multi-Modal OOD Detection Framework

no code implementations24 Jul 2023 Viet Duong, Qiong Wu, Zhengyi Zhou, Eric Zavesky, Jiahe Chen, Xiangzhou Liu, Wen-Ling Hsu, Huajie Shao

To reach this goal, we propose a general-purpose weakly-supervised OOD detection framework, called WOOD, that combines a binary classifier and a contrastive learning component to reap the benefits of both.

Contrastive Learning Out of Distribution (OOD) Detection

Approximated Prompt Tuning for Vision-Language Pre-trained Models

no code implementations27 Jun 2023 Qiong Wu, Shubin Huang, Yiyi Zhou, Pingyang Dai, Annan Shu, Guannan Jiang, Rongrong Ji

Prompt tuning is a parameter-efficient way to deploy large-scale pre-trained models to downstream tasks by adding task-specific tokens.

Image Classification Text-to-Image Generation +1

Adapting Pre-trained Language Models to Vision-Language Tasks via Dynamic Visual Prompting

1 code implementation1 Jun 2023 Shubin Huang, Qiong Wu, Yiyi Zhou, WeiJie Chen, Rongsheng Zhang, Xiaoshuai Sun, Rongrong Ji

In addition, we also experiment DVP with the recently popular adapter approach to keep the most parameters of PLMs intact when adapting to VL tasks, helping PLMs achieve a quick shift between single- and multi-modal tasks.

Transfer Learning Visual Prompting

Deep Reinforcement Learning Based Vehicle Selection for Asynchronous Federated Learning Enabled Vehicular Edge Computing

no code implementations6 Apr 2023 Qiong Wu, Siyuan Wang, Pingyi Fan, Qiang Fan

Furthermore, as vehicles have different local training time due to various sizes of local data and their different computing capabilities, asynchronous federated learning (AFL) is employed to facilitate the RSU to update the global model immediately after receiving a local model to reduce the aggregation delay.

Deep Reinforcement Learning Edge-computing +1

Deep Reinforcement Learning Based Power Allocation for Minimizing AoI and Energy Consumption in MIMO-NOMA IoT Systems

no code implementations11 Mar 2023 Hongbiao Zhu, Qiong Wu, Qiang Fan, Pingyi Fan, Jiangzhou Wang, Zhengquan Li

It is critical to determine the optimal policy including sample collection requirements and power allocation to minimize the AoI and energy consumption of MIMO-NOMA IoT system, where the transmission rate is not a constant in the SIC process and the noise is stochastic in the MIMO-NOMA channel.

Deep Reinforcement Learning

Olive Branch Learning: A Topology-Aware Federated Learning Framework for Space-Air-Ground Integrated Network

no code implementations2 Dec 2022 Qingze Fang, Zhiwei Zhai, Shuai Yu, Qiong Wu, Xiaowen Gong, Xu Chen

The space-air-ground integrated network (SAGIN), one of the key technologies for next-generation mobile communication systems, can facilitate data transmission for users all over the world, especially in some remote areas where vast amounts of informative data are collected by Internet of remote things (IoRT) devices to support various data-driven artificial intelligence (AI) services.

Federated Learning

Symphony in the Latent Space: Provably Integrating High-dimensional Techniques with Non-linear Machine Learning Models

no code implementations1 Dec 2022 Qiong Wu, Jian Li, Zhenming Liu, Yanhua Li, Mihai Cucuringu

This paper revisits building machine learning algorithms that involve interactions between entities, such as those between financial assets in an actively managed portfolio, or interactions between users in a social network.

Ensemble Learning Time Series Analysis

CycleTrans: Learning Neutral yet Discriminative Features for Visible-Infrared Person Re-Identification

no code implementations21 Aug 2022 Qiong Wu, Jiaer Xia, Pingyang Dai, Yiyi Zhou, Yongjian Wu, Rongrong Ji

Visible-infrared person re-identification (VI-ReID) is a task of matching the same individuals across the visible and infrared modalities.

Person Re-Identification

Higher-order accurate two-sample network inference and network hashing

1 code implementation16 Aug 2022 Meijia Shao, Dong Xia, Yuan Zhang, Qiong Wu, Shuo Chen

Two-sample hypothesis testing for network comparison presents many significant challenges, including: leveraging repeated network observations and known node registration, but without requiring them to operate; relaxing strong structural assumptions; achieving finite-sample higher-order accuracy; handling different network sizes and sparsity levels; fast computation and memory parsimony; controlling false discovery rate (FDR) in multiple testing; and theoretical understandings, particularly regarding finite-sample accuracy and minimax optimality.

Vocal Bursts Valence Prediction

Asynchronous Federated Learning for Edge-assisted Vehicular Networks

1 code implementation3 Aug 2022 Siyuan Wang, Qiong Wu, Qiang Fan, Pingyi Fan, Jiangzhou Wang

For the traditional federated learning (FL), vehicles train the data locally to obtain a local model and then upload the local model to the RSU to update the global model, thus the data privacy can be protected through sharing model parameters instead of data.

Federated Learning

Time-Dependent Performance Modeling for Platooning Communications at Intersection

no code implementations2 Aug 2022 Qiong Wu, Yu Zhao, Qiang Fan

In this paper, we construct the time-dependent model to evaluate the platooning communication performance at the intersection based on the initial movement characteristics.

Autonomous Driving

Mobility-Aware Cooperative Caching in Vehicular Edge Computing Based on Asynchronous Federated and Deep Reinforcement Learning

1 code implementation2 Aug 2022 Qiong Wu, Yu Zhao, Qiang Fan, Pingyi Fan, Jiangzhou Wang, Cui Zhang

In addition, we consider the mobility of vehicles and propose a deep reinforcement learning algorithm to obtain the optimal cooperative caching location for the predicted popular contents in order to optimize the content transmission delay.

Deep Reinforcement Learning Edge-computing +3

A Deep Reinforcement Learning Approach for Online Parcel Assignment

no code implementations8 Sep 2021 Hao Zeng, Qiong Wu, Kunpeng Han, Junying He, Haoyuan Hu

In this paper, we investigate the online parcel assignment (OPA) problem, in which each stochastically generated parcel needs to be assigned to a candidate route for delivery to minimize the total cost subject to certain business constraints.

Decision Making Deep Reinforcement Learning +2

Discover Cross-Modality Nuances for Visible-Infrared Person Re-Identification

1 code implementation CVPR 2021 Qiong Wu, Pingyang Dai, Jie Chen, Chia-Wen Lin, Yongjian Wu, Feiyue Huang, Bineng Zhong, Rongrong Ji

In this paper, we propose a joint Modality and Pattern Alignment Network (MPANet) to discover cross-modality nuances in different patterns for visible-infrared person Re-ID, which introduces a modality alleviation module and a pattern alignment module to jointly extract discriminative features.

Person Re-Identification

Deep Reinforcement Learning with Spatio-temporal Traffic Forecasting for Data-Driven Base Station Sleep Control

no code implementations21 Jan 2021 Qiong Wu, Xu Chen, Zhi Zhou, Liang Chen, Junshan Zhang

To meet the ever increasing mobile traffic demand in 5G era, base stations (BSs) have been densely deployed in radio access networks (RANs) to increase the network coverage and capacity.

Deep Reinforcement Learning

Double Quarter Wave Crab Cavity Wire Stretching Measurement at BNL

no code implementations18 Jan 2021 Qiong Wu, Tianmu Xin, Binping Xiao

The wire stretching measurement was completed on the prototype Double Quarter Wave (DQW) crab cavity for operation practice and calibration of the measurement system.

Accelerator Physics

FedHome: Cloud-Edge based Personalized Federated Learning for In-Home Health Monitoring

1 code implementation14 Dec 2020 Qiong Wu, Xu Chen, Zhi Zhou, Junshan Zhang

In this paper, we propose FedHome, a novel cloud-edge based federated learning framework for in-home health monitoring, which learns a shared global model in the cloud from multiple homes at the network edges and achieves data privacy protection by keeping user data locally.

Human Activity Recognition Personalized Federated Learning

Delay Sensitive Task Offloading in the 802.11p Based Vehicular Fog Computing Systems

1 code implementation2 Dec 2020 Qiong Wu, Hanxu Liu, Ruhai Wang, Pingyi Fan, Qiang Fan, Zhengquan Li

Furthermore, the long-term reward of the system (i. e., jointly considers the transmission delay, computing delay, available resources, and diversity of vehicles and tasks) becomes a significantly important issue for providers.

Networking and Internet Architecture

Time-dependent Performance Analysis of the 802.11p-based Platooning Communications Under Disturbance

1 code implementation5 Nov 2020 Qiong Wu, Hongmei Ge, Pingyi Fan, Jiangzhou Wang, Qiang Fan, Zhengquan Li

However, one vehicle in platoons inevitably suffers from a disturbance resulting from the leader vehicle acceleration/deceleration, wind gust and uncertainties in a platoon control system, i. e., aerodynamics drag and rolling resistance moment etc.

Networking and Internet Architecture

Rosella: A Self-Driving Distributed Scheduler for Heterogeneous Clusters

no code implementations28 Oct 2020 Qiong Wu, Zhenming Liu

We evaluate Rosella with a variety of workloads on a 32-node AWS cluster.

Scheduling

BATS: A Spectral Biclustering Approach to Single Document Topic Modeling and Segmentation

no code implementations5 Aug 2020 Qiong Wu, Adam Hare, Sirui Wang, Yuwei Tu, Zhenming Liu, Christopher G. Brinton, Yanhua Li

In this work, we reexamine the inter-related problems of "topic identification" and "text segmentation" for sparse document learning, when there is a single new text of interest.

Diversity Segmentation +2

DeepCP: Deep Learning Driven Cascade Prediction Based Autonomous Content Placement in Closed Social Network

no code implementations9 Mar 2020 Qiong Wu, Muhong Wu, Xu Chen, Zhi Zhou, Kaiwen He, Liang Chen

Accordingly, we further propose a novel autonomous content placement mechanism CP-GAN which adopts the generative adversarial network (GAN) for agile placement decision making to reduce the content access latency and enhance users' QoE.

Decision Making Generative Adversarial Network

HFEL: Joint Edge Association and Resource Allocation for Cost-Efficient Hierarchical Federated Edge Learning

no code implementations26 Feb 2020 Siqi Luo, Xu Chen, Qiong Wu, Zhi Zhou, Shuai Yu

We further formulate a joint computation and communication resource allocation and edge association problem for device users under HFEL framework to achieve global cost minimization.

Distributed, Parallel, and Cluster Computing

Personalized Federated Learning for Intelligent IoT Applications: A Cloud-Edge based Framework

no code implementations25 Feb 2020 Qiong Wu, Kaiwen He, Xu Chen

Internet of Things (IoT) have widely penetrated in different aspects of modern life and many intelligent IoT services and applications are emerging.

Edge-computing Human Activity Recognition +1

PD-GAN: Adversarial Learning for Personalized Diversity-Promoting Recommendation

1 code implementation IJCAI 2019 Qiong Wu, Yong liu, Chunyan Miao, Binqiang Zhao, Yin Zhao, Lu Guan

This paper proposes Personalized Diversity-promoting GAN (PD-GAN), a novel recommendation model to generate diverse, yet relevant recommendations.

Diversity Recommendation Systems

Bandit Learning for Diversified Interactive Recommendation

no code implementations1 Jul 2019 Yong Liu, Yingtai Xiao, Qiong Wu, Chunyan Miao, Juyong Zhang

Interactive recommender systems that enable the interactions between users and the recommender system have attracted increasing research attentions.

Bayesian Inference Diversity +2

Adaptive Reduced Rank Regression

1 code implementation NeurIPS 2020 Qiong Wu, Felix Ming Fai Wong, Zhenming Liu, Yanhua Li, Varun Kanade

We study the low rank regression problem $\my = M\mx + \epsilon$, where $\mx$ and $\my$ are $d_1$ and $d_2$ dimensional vectors respectively.

regression

Video-based Person Re-identification with Two-stream Convolutional Network and Co-attentive Snippet Embedding

no code implementations28 May 2019 Peixian Chen, Pingyang Dai, Qiong Wu, Yuyu Huang

Recently, the applications of person re-identification in visual surveillance and human-computer interaction are sharply increasing, which signifies the critical role of such a problem.

Optical Flow Estimation Video-Based Person Re-Identification

Recent Advances in Diversified Recommendation

no code implementations16 May 2019 Qiong Wu, Yong liu, Chunyan Miao, Yin Zhao, Lu Guan, Haihong Tang

With the rapid development of recommender systems, accuracy is no longer the only golden criterion for evaluating whether the recommendation results are satisfying or not.

Diversity Recommendation Systems

Diversity-Promoting Deep Reinforcement Learning for Interactive Recommendation

no code implementations19 Mar 2019 Yong Liu, Yinan Zhang, Qiong Wu, Chunyan Miao, Lizhen Cui, Binqiang Zhao, Yin Zhao, Lu Guan

Interactive recommendation that models the explicit interactions between users and the recommender system has attracted a lot of research attentions in recent years.

Deep Reinforcement Learning Diversity +3

A Swarming Approach to Optimize the One-hop Delay in Smart Driving Inter-platoon Communications

no code implementations19 Jul 2018 Qiong Wu, Shuzhen Nie, Pingyi Fan, Zhengquan Li, Cui Zhang

In the second step, we first set the minimum average one-hop delay found in the first step as the initial optimization goal and then adopt the swarming approach again to get the one-hop delay of each backbone vehicle balance to the minimum average one-hop delay.

Networking and Internet Architecture

Towards Non-Parametric Learning to Rank

no code implementations9 Jul 2018 Ao Liu, Qiong Wu, Zhenming Liu, Lirong Xia

Next, we fix the problem by introducing a new algorithm with features constructed from "global information" of the data matrix.

Feature Engineering Learning-To-Rank

Parameter-free $\ell_p$-Box Decoding of LDPC Codes

1 code implementation29 Nov 2017 Qiong Wu, Fan Zhang, Hao Wang, Jun Lin, Yang Liu

The Alternating Direction Method of Multipliers (ADMM) decoding of Low Density Parity Check (LDPC) codes has received many attentions due to its excellent performance at the error floor region.

Information Theory Information Theory

Improving Deep Neural Network with Multiple Parametric Exponential Linear Units

1 code implementation1 Jun 2016 Yang Li, Chunxiao Fan, Yong Li, Qiong Wu, Yue Ming

In this paper, we first propose a new activation function, Multiple Parametric Exponential Linear Units (MPELU), aiming to generalize and unify the rectified and exponential linear units.

Computational Curiosity (A Book Draft)

no code implementations17 Feb 2015 Qiong Wu

This book discusses computational curiosity, from the psychology of curiosity to the computational models of curiosity, and then showcases several interesting applications of computational curiosity.

Recommendation Systems

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