no code implementations • 7 Apr 2025 • Zhiwei Cao, Minghao Li, Feng Lin, Jimin Jia, Yonggang Wen, Jianxiong Yin, Simon See
Our results demonstrate its superior performance over traditional time-consuming Computational Fluid Dynamics/Heat Transfer (CFD/HT) simulation, with a median absolute temperature prediction error of 0. 18 {\deg}C. This emerging approach would open doors to several potential research directions for advancing Physical AI in future DC operations.
1 code implementation • 31 Mar 2025 • Wei Gao, Xinyu Zhou, Peng Sun, Tianwei Zhang, Yonggang Wen
It primarily decreases the memory consumption of \texttt{KV} \texttt{cache} to reduce the computation cost.
no code implementations • 26 Jan 2025 • Hanwen Zhang, Ruichen Zhang, Wei zhang, Dusit Niyato, Yonggang Wen
This paper explores the integration of LLMs into energy management, emphasizing their roles in automating the optimization of DSM strategies with electric vehicles.
1 code implementation • 23 Oct 2024 • Zhiwei Hao, Jianyuan Guo, Li Shen, Yong Luo, Han Hu, Yonggang Wen
To bridge this gap, we propose ADEM-VL, an efficient vision-language method that tunes VL models based on pretrained large language models (LLMs) by adopting a parameter-free cross-attention mechanism for similarity measurements in multimodal fusion.
no code implementations • 9 Sep 2024 • Shuai Wang, Yibing Zhan, Yong Luo, Han Hu, Wei Yu, Yonggang Wen, DaCheng Tao
This mechanism assigns different weights to different categories of data according to the gradient of the output score, and uses knowledge distillation (KD) to reduce the mutual interference between the outputs of old and new tasks.
no code implementations • 19 Jul 2024 • Meng Zhang, Jie Sun, Qinghao Hu, Peng Sun, Zeke Wang, Yonggang Wen, Tianwei Zhang
While there emerge inspiring algorithm advancements, their practical adoption is still limited, particularly on real-world graphs involving up to millions of nodes.
no code implementations • 24 Apr 2024 • Xuming An, Dui Wang, Li Shen, Yong Luo, Han Hu, Bo Du, Yonggang Wen, DaCheng Tao
Specifically, FedALC estimates the label correlations in the class embedding learning for different label pairs and utilizes it to improve the model training.
1 code implementation • 12 Mar 2024 • Qinghao Hu, Zhisheng Ye, Zerui Wang, Guoteng Wang, Meng Zhang, Qiaoling Chen, Peng Sun, Dahua Lin, Xiaolin Wang, Yingwei Luo, Yonggang Wen, Tianwei Zhang
Large Language Models (LLMs) have presented impressive performance across several transformative tasks.
1 code implementation • 13 Feb 2024 • Ziyi Zhang, Sen Zhang, Yibing Zhan, Yong Luo, Yonggang Wen, DaCheng Tao
Then, we surprisingly discover that dormant neurons in our critic model act as a regularization against reward overoptimization while active neurons reflect primacy bias.
no code implementations • 24 Aug 2023 • Mengya Han, Heliang Zheng, Chaoyue Wang, Yong Luo, Han Hu, Jing Zhang, Yonggang Wen
In this work, we address the task of few-shot part segmentation, which aims to segment the different parts of an unseen object using very few labeled examples.
no code implementations • 11 Aug 2023 • Rui Xu, Yong Luo, Han Hu, Bo Du, Jialie Shen, Yonggang Wen
Weakly supervised object localization (WSOL) is one of the most popular and challenging tasks in computer vision.
no code implementations • ICCV 2023 • Weiming Zhuang, Yonggang Wen, Lingjuan Lyu, Shuai Zhang
Then, we present our new approach, MAS (Merge and Split), to optimize the performance of training multiple simultaneous FL tasks.
no code implementations • 2 Mar 2023 • Meng Zhang, Qinghao Hu, Peng Sun, Yonggang Wen, Tianwei Zhang
Training Graph Neural Networks (GNNs) on large graphs is challenging due to the conflict between the high memory demand and limited GPU memory.
no code implementations • 15 Feb 2023 • Dui Wang, Li Shen, Yong Luo, Han Hu, Kehua Su, Yonggang Wen, DaCheng Tao
In particular, we adopt the ``one-vs-all'' training strategy in each client to alleviate the unfair competition between classes by constructing a personalized binary classification problem for each class.
no code implementations • 4 Dec 2022 • Qihuang Zhong, Liang Ding, Yibing Zhan, Yu Qiao, Yonggang Wen, Li Shen, Juhua Liu, Baosheng Yu, Bo Du, Yixin Chen, Xinbo Gao, Chunyan Miao, Xiaoou Tang, DaCheng Tao
This technical report briefly describes our JDExplore d-team's Vega v2 submission on the SuperGLUE leaderboard.
Ranked #1 on
Common Sense Reasoning
on ReCoRD
no code implementations • 19 Oct 2022 • Zhenpeng Yao, Yanwei Lum, Andrew Johnston, Luis Martin Mejia-Mendoza, Xin Zhou, Yonggang Wen, Alan Aspuru-Guzik, Edward H. Sargent, Zhi Wei Seh
Transitioning from fossil fuels to renewable energy sources is a critical global challenge; it demands advances at the levels of materials, devices, and systems for the efficient harvesting, storage, conversion, and management of renewable energy.
no code implementations • 7 Sep 2022 • Mengya Han, Yibing Zhan, Yong Luo, Bo Du, Han Hu, Yonggang Wen, DaCheng Tao
To address the above issues, we propose a novel metric-based meta-learning framework termed instance-adaptive class representation learning network (ICRL-Net) for few-shot visual recognition.
no code implementations • 9 Jul 2022 • Weiming Zhuang, Yonggang Wen, Shuai Zhang
In this work, we propose a smart multi-tenant FL system, MuFL, to effectively coordinate and execute simultaneous training activities.
2 code implementations • 24 May 2022 • Weiming Zhuang, Xin Gan, Yonggang Wen, Shuai Zhang
Based on these insights, we propose three optimization approaches: (1) We adopt knowledge distillation to facilitate the convergence of FedReID by better transferring knowledge from clients to the server; (2) We introduce client clustering to improve the performance of large datasets by aggregating clients with similar data distributions; (3) We propose cosine distance weight to elevate performance by dynamically updating the weights for aggregation depending on how well models are trained in clients.
no code implementations • 24 May 2022 • Wei Gao, Qinghao Hu, Zhisheng Ye, Peng Sun, Xiaolin Wang, Yingwei Luo, Tianwei Zhang, Yonggang Wen
Deep learning (DL) shows its prosperity in a wide variety of fields.
no code implementations • 9 Apr 2022 • Weiming Zhuang, Xin Gan, Yonggang Wen, Xuesen Zhang, Shuai Zhang, Shuai Yi
To address this problem, we propose federated unsupervised domain adaptation for face recognition, FedFR.
1 code implementation • ICLR 2022 • Weiming Zhuang, Yonggang Wen, Shuai Zhang
Using the framework, our study uncovers unique insights of FedSSL: 1) stop-gradient operation, previously reported to be essential, is not always necessary in FedSSL; 2) retaining local knowledge of clients in FedSSL is particularly beneficial for non-IID data.
1 code implementation • 3 Sep 2021 • Qinghao Hu, Peng Sun, Shengen Yan, Yonggang Wen, Tianwei Zhang
Modern GPU datacenters are critical for delivering Deep Learning (DL) models and services in both the research community and industry.
1 code implementation • ICCV 2021 • Weiming Zhuang, Xin Gan, Yonggang Wen, Shuai Zhang, Shuai Yi
In this framework, each party trains models from unlabeled data independently using contrastive learning with an online network and a target network.
no code implementations • 14 Aug 2021 • Weiming Zhuang, Yonggang Wen, Shuai Zhang
We present FedUReID, a federated unsupervised person ReID system to learn person ReID models without any labels while preserving privacy.
1 code implementation • ACL 2021 • Yixin Cao, Xiang Ji, Xin Lv, Juanzi Li, Yonggang Wen, Hanwang Zhang
We present InferWiki, a Knowledge Graph Completion (KGC) dataset that improves upon existing benchmarks in inferential ability, assumptions, and patterns.
1 code implementation • 27 Jul 2021 • Wen Wang, Yang Cao, Jing Zhang, Fengxiang He, Zheng-Jun Zha, Yonggang Wen, DaCheng Tao
In DQFA, a novel domain query is used to aggregate and align global context from the token sequence of both domains.
no code implementations • 6 Jun 2021 • Yizheng Huang, Huaizheng Zhang, Yonggang Wen, Peng Sun, Nguyen Binh Duong Ta
MLOps is about taking experimental ML models to production, i. e., serving the models to actual users.
1 code implementation • 18 May 2021 • Yuanming Li, Huaizheng Zhang, Shanshan Jiang, Fan Yang, Yonggang Wen, Yong Luo
AI engineering has emerged as a crucial discipline to democratize deep neural network (DNN) models among software developers with a diverse background.
no code implementations • 17 May 2021 • Weiming Zhuang, Xin Gan, Yonggang Wen, Xuesen Zhang, Shuai Zhang, Shuai Yi
To this end, FedFR forms an end-to-end training pipeline: (1) pre-train in the source domain; (2) predict pseudo labels by clustering in the target domain; (3) conduct domain-constrained federated learning across two domains.
1 code implementation • 17 May 2021 • Weiming Zhuang, Xin Gan, Yonggang Wen, Shuai Zhang
However, these platforms are complex to use and require a deep understanding of FL, which imposes high barriers to entry for beginners, limits the productivity of researchers, and compromises deployment efficiency.
no code implementations • 5 Feb 2021 • Huaizheng Zhang, Meng Shen, Yizheng Huang, Yonggang Wen, Yong Luo, Guanyu Gao, Kyle Guan
To save bandwidth and reduce RTT, VPaaS provides a new video streaming protocol that only sends low-quality video to the cloud.
no code implementations • 11 Jan 2021 • Yao Fu, Yipeng Zhou, Di wu, Shui Yu, Yonggang Wen, Chao Li
Then, we theoretically derive: 1) the conditions for the DP based FedAvg to converge as the number of global iterations (GI) approaches infinity; 2) the method to set the number of local iterations (LI) to minimize the negative influence of DP noises.
1 code implementation • 27 Nov 2020 • Yixin Cao, Jun Kuang, Ming Gao, Aoying Zhou, Yonggang Wen, Tat-Seng Chua
In this paper, we propose a general approach to learn relation prototypesfrom unlabeled texts, to facilitate the long-tail relation extraction by transferring knowledge from the relation types with sufficient trainingdata.
3 code implementations • CVPR 2021 • Wei Gao, Shangwei Guo, Tianwei Zhang, Han Qiu, Yonggang Wen, Yang Liu
Comprehensive evaluations demonstrate that the policies discovered by our method can defeat existing reconstruction attacks in collaborative learning, with high efficiency and negligible impact on the model performance.
no code implementations • 4 Nov 2020 • Huaizheng Zhang, Yizheng Huang, Yonggang Wen, Jianxiong Yin, Kyle Guan
Our system design follows the best practice in DL clusters operations to expedite day-to-day DL service evaluation efforts by the developers.
2 code implementations • 26 Aug 2020 • Weiming Zhuang, Yonggang Wen, Xuesen Zhang, Xin Gan, Daiying Yin, Dongzhan Zhou, Shuai Zhang, Shuai Yi
Then we propose two optimization methods: (1) To address the unbalanced weight problem, we propose a new method to dynamically change the weights according to the scale of model changes in clients in each training round; (2) To facilitate convergence, we adopt knowledge distillation to refine the server model with knowledge generated from client models on a public dataset.
2 code implementations • 9 Jun 2020 • Huaizheng Zhang, Yuanming Li, Yizheng Huang, Yonggang Wen, Jianxiong Yin, Kyle Guan
MLModelCI provides multimedia researchers and developers with a one-stop platform for efficient machine learning (ML) services.
2 code implementations • 9 Jun 2020 • Huaizheng Zhang, Yuanming Li, Qiming Ai, Yong Luo, Yonggang Wen, Yichao Jin, Nguyen Binh Duong Ta
Combining \underline{v}ideo streaming and online \underline{r}etailing (V2R) has been a growing trend recently.
no code implementations • 29 Jan 2020 • Ruihang Wang, Xin Zhou, Linsen Dong, Yonggang Wen, Rui Tan, Li Chen, Guan Wang, Feng Zeng
However, in the context of CFD, each search step requires long-lasting CFD model's iterated solving, rendering these approaches impractical with increased model complexity.
no code implementations • 20 Jan 2020 • Jie Gui, Zhenan Sun, Yonggang Wen, DaCheng Tao, Jieping Ye
Generative adversarial networks (GANs) are a hot research topic recently.
no code implementations • 21 Dec 2019 • Huaizheng Zhang, Yong Luo, Qiming Ai, Yonggang Wen
A multitask loss function is also designed to train both the topic and sentiment prediction models jointly in an end-to-end manner.
no code implementations • 12 Dec 2019 • Tianwen Zhu, Yongyi Ran, Xin Zhou, Yonggang Wen
This paper highlights the importance of maintenance techniques in the coming industrial revolution, reviews the evolution of maintenance techniques, and presents a comprehensive literature review on the latest advancement of maintenance techniques, i. e., Predictive Maintenance (PdM), with emphasis on system architectures, optimization objectives, and optimization methods.
no code implementations • 9 Jun 2019 • Xusheng Zeng, Changxing Ding, Yonggang Wen, DaCheng Tao
Moreover, we also carefully analyze existing evaluation protocols for age estimation, finding that the overlap in identity between the training and testing sets affects the relative performance of different age encoding methods.
2 code implementations • 23 Apr 2019 • Linsen Dong, Guanyu Gao, Xinyi Zhang, Liang-Yu Chen, Yonggang Wen
Model-Based Reinforcement Learning (MBRL) is one category of Reinforcement Learning (RL) algorithms which can improve sampling efficiency by modeling and approximating system dynamics.
no code implementations • 8 Apr 2019 • Yong Luo, Yonggang Wen, DaCheng Tao
Heterogeneous transfer learning approaches can be adopted to remedy this drawback by deriving a metric from the learned transformation across different domains.
no code implementations • 8 Apr 2019 • Yong Luo, Yonggang Wen, Tongliang Liu, DaCheng Tao
Some existing heterogeneous transfer learning (HTL) approaches can learn target distance metric by usually transforming the samples of source and target domain into a common subspace.
no code implementations • 8 Apr 2019 • Yong Luo, DaCheng Tao, Chang Xu, Chao Xu, Hong Liu, Yonggang Wen
In computer vision, image datasets used for classification are naturally associated with multiple labels and comprised of multiple views, because each image may contain several objects (e. g. pedestrian, bicycle and tree) and is properly characterized by multiple visual features (e. g. color, texture and shape).
no code implementations • 8 Apr 2019 • Yong Luo, Yonggang Wen, DaCheng Tao, Jie Gui, Chao Xu
The features used in many image analysis-based applications are frequently of very high dimension.
no code implementations • 4 Apr 2019 • Meng Liu, Chang Xu, Yong Luo, Chao Xu, Yonggang Wen, DaCheng Tao
Feature selection is beneficial for improving the performance of general machine learning tasks by extracting an informative subset from the high-dimensional features.
1 code implementation • 19 Feb 2019 • Peng Sun, Wansen Feng, Ruobing Han, Shengen Yan, Yonggang Wen
To address this problem, we propose a communication backend named GradientFlow for distributed DNN training, and employ a set of network optimization techniques.
Distributed, Parallel, and Cluster Computing
2 code implementations • 15 Jan 2019 • Guanyu Gao, Jie Li, Yonggang Wen
We formulate the building thermal control as a cost-minimization problem which jointly considers the energy consumption of HVAC and the thermal comfort of the occupants.
no code implementations • 9 Oct 2018 • Yong Luo, Yonggang Wen, Ling-Yu Duan, DaCheng Tao
Distance metric learning (DML) aims to find an appropriate way to reveal the underlying data relationship.
1 code implementation • 24 May 2018 • Yuanlong Li, Linsen Dong, Xin Zhou, Yonggang Wen, Kyle Guan
Model-based reinforcement learning (MBRL) has been proposed as a promising alternative solution to tackle the high sampling cost challenge in the canonical reinforcement learning (RL), by leveraging a learned model to generate synthesized data for policy training purpose.
no code implementations • 7 May 2018 • Wenbo Wang, Dinh Thai Hoang, Peizhao Hu, Zehui Xiong, Dusit Niyato, Ping Wang, Yonggang Wen, Dong In Kim
This survey is motivated by the lack of a comprehensive literature review on the development of decentralized consensus mechanisms in blockchain networks.
Cryptography and Security
no code implementations • 15 Sep 2017 • Yuanlong Li, Yonggang Wen, Kyle Guan, DaCheng Tao
Specifically, we propose an end-to-end cooling control algorithm (CCA) that is based on the actor-critic framework and an off-policy offline version of the deep deterministic policy gradient (DDPG) algorithm.
no code implementations • 15 Aug 2016 • Yuanlong Li, Han Hu, Yonggang Wen, Jun Zhang
Finally, using the power consumption data from a real data center, we show that the proposed LTW can improve the classification accuracy of DTW from about 84% to 90%.
3 code implementations • 9 Feb 2015 • Yong Luo, DaCheng Tao, Yonggang Wen, Kotagiri Ramamohanarao, Chao Xu
As a consequence, the high order correlation information contained in the different views is explored and thus a more reliable common subspace shared by all features can be obtained.