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- research-articleAugust 2024
Make Your Home Safe: Time-aware Unsupervised User Behavior Anomaly Detection in Smart Homes via Loss-guided Mask
- Jingyu Xiao,
- Zhiyao Xu,
- Qingsong Zou,
- Qing Li,
- Dan Zhao,
- Dong Fang,
- Ruoyu Li,
- Wenxin Tang,
- Kang Li,
- Xudong Zuo,
- Penghui Hu,
- Yong Jiang,
- Zixuan Weng,
- Michael R. Lyu
KDD '24: Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data MiningPages 3551–3562https://doi.org/10.1145/3637528.3671708Smart homes, powered by the Internet of Things, offer great convenience but also pose security concerns due to abnormal behaviors, such as improper operations of users and potential attacks from malicious attackers. Several behavior modeling methods have ...
- research-articleJuly 2024
A self-supervised network for image denoising and watermark removal
AbstractIn image watermark removal, popular methods depend on given reference non-watermark images in a supervised way to remove watermarks. However, reference non-watermark images are difficult to be obtained in the real world. At the same time, they ...
- research-articleNovember 2023
A parallel and serial denoising network
Expert Systems with Applications: An International Journal (EXWA), Volume 231, Issue Chttps://doi.org/10.1016/j.eswa.2023.120628AbstractConvolutional neural networks (CNNs) have performed well in image denoising. Although some CNNs enlarge convolutional kernels and increase stacked convolutional layers to overcome the locality defect of convolutional operations, they may increase ...
Highlights- Heterogeneous architecture with deformable convolution can better filter noise.
- An enhanced residual architecture is used to remove redundant features.
- Combining a parallel and serial way can improve effects of images denoising.
- research-articleNovember 2023
FlexNF: Flexible Network Function Orchestration for Scalable On-Path Service Chain Serving
IEEE/ACM Transactions on Networking (TON), Volume 32, Issue 3Pages 2026–2041https://doi.org/10.1109/TNET.2023.3334237Programmable Data Plane (PDP) has been leveraged to offload Network Functions (NFs). Due to its high processing capability, the PDP improves the performance of NFs by more than one order of magnitude. However, the coarse-grained NF orchestration on the ...
- research-articleNovember 2023
Bipartite hybrid formation tracking control for heterogeneous multi-agent systems in multi-group cooperative-competitive networks
Applied Mathematics and Computation (APMC), Volume 456, Issue Chttps://doi.org/10.1016/j.amc.2023.128133Highlights- The structural problem of multiple groups of cooperative-competitive network is identified, which simplifies the analysis of signed graph.
- Heterogeneous multi-agent system composed of nonlinear second-order dynamics and linear first-...
In this paper, the problem of bipartite hybrid formation tracking for multi-agent systems with heterogeneous groups is studied. First, the network structure problem of a cluster of agents with both group relationship and cooperation-competition ...
- research-articleSeptember 2023
I Know Your Intent: Graph-enhanced Intent-aware User Device Interaction Prediction via Contrastive Learning
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 7, Issue 3Article No.: 136, Pages 1–28https://doi.org/10.1145/3610906With the booming of smart home market, intelligent Internet of Things (IoT) devices have been increasingly involved in home life. To improve the user experience of smart homes, some prior works have explored how to use machine learning for predicting ...
- research-articleMay 2023
User Device Interaction Prediction via Relational Gated Graph Attention Network and Intent-aware Encoder
AAMAS '23: Proceedings of the 2023 International Conference on Autonomous Agents and Multiagent SystemsPages 1634–1642With the booming of smart home market, intelligent Internet of Things (IoT) devices have been increasingly more involved in home life. To improve the user experience of smart home, some prior works have explored how to use time series analysis technology ...
- research-articleMay 2023
Pontus: Finding Waves in Data Streams
Proceedings of the ACM on Management of Data (PACMMOD), Volume 1, Issue 1Article No.: 106, Pages 1–26https://doi.org/10.1145/3588960The bumps and dips in data streams are valuable patterns for data mining and networking scenarios such as online advertising and botnet detection. In this paper, we define the wave, a data stream pattern with a serious deviation from the stable arrival ...
- research-articleMarch 2023
IoTBeholder: A Privacy Snooping Attack on User Habitual Behaviors from Smart Home Wi-Fi Traffic
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 7, Issue 1Article No.: 43, Pages 1–26https://doi.org/10.1145/3580890With the deployment of a growing number of smart home IoT devices, privacy leakage has become a growing concern. Prior work on privacy-invasive device localization, classification, and activity identification have proven the existence of various privacy ...
- research-articleNovember 2022
Drift-bottle: a lightweight and distributed approach to failure localization in general networks
CoNEXT '22: Proceedings of the 18th International Conference on emerging Networking EXperiments and TechnologiesPages 337–348https://doi.org/10.1145/3555050.3569137Network failure severely impairs network performance, affecting latency and throughput of data transmission. Existing failure localization solutions for general networks face problems such as difficulty in acquiring data from end hosts, need for extra ...
- research-articleJune 2022
A robust deformed convolutional neural network (CNN) for image denoising
CAAI Transactions on Intelligence Technology (CIT2), Volume 8, Issue 2Pages 331–342https://doi.org/10.1049/cit2.12110AbstractDue to strong learning ability, convolutional neural networks (CNNs) have been developed in image denoising. However, convolutional operations may change original distributions of noise in corrupted images, which may increase training difficulty ...