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- research-articleJanuary 2025JUST ACCEPTED
Multi-agent Deep Reinforcement Learning-based Key Generation for Graph Layer Security
Recently, the emergence of Internet of Things (IoT) devices has posed a challenge for securing information and avoiding attacks. Most of the cryptography solutions are based on physical layer security (PLS), whose idea is to fully exploit the properties ...
- research-articleJanuary 2025
Analysis of dependent complementary competing risks data from a generalized inverted family of lifetime distributions under a maximum ranked set sampling procedure with unequal samples
Journal of Computational and Applied Mathematics (JCAM), Volume 457, Issue Chttps://doi.org/10.1016/j.cam.2024.116309AbstractThis paper explores analysis of a dependent complementary competing risks model when the failure causes are distributed by the proposed generalized inverted family of lifetime distributions. Under maximum ranked set sampling with unequal samples (...
Highlights- A bivariate generalized lifetime distribution is proposed for modeling dependent causes of failure.
- A novel dependent complementary competing risk model is established under MRSSU.
- Existence and uniqueness of maximum likelihood ...
- research-articleDecember 2024
Measuring and Mining Community Evolution in Developer Social Networks with Entropy-Based Indices
ACM Transactions on Software Engineering and Methodology (TOSEM), Volume 34, Issue 1Article No.: 12, Pages 1–43https://doi.org/10.1145/3688832This work presents four novel entropy-based indices for measuring the community evolution of developer social networks (DSNs) in open source software (OSS) projects. The proposed indices offer a quantitative measure of community split, shrink, merge, and ...
- ArticleDecember 2024
SLO-Aware Task Offloading Within Collaborative Vehicle Platoons
AbstractIn the context of autonomous vehicles (AVs), offloading is essential for guaranteeing the execution of perception tasks, e.g., mobile mapping or object detection. While existing work on offloading focused extensively on minimizing inter-vehicle ...
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- ArticleDecember 2024
Adaptive Graph Convolutional Fusion Network for Skeleton-Based Abnormal Gait Recognition
AbstractDynamic interactions between human joints and bones convey significant information for skeleton-based abnormal gait recognition. Existing graph convolutional networks (GCNs)-based methods either only consider the locomotion information of the ...
- ArticleDecember 2024
SPK: Semantic and Positional Knowledge for Zero-Shot Referring Expression Comprehension
AbstractReferring expression comprehension aims to localize an object in an image based on a natural language expression. This task is challenging due to the scarcity of large-scale annotated data, which prompts the research of zero-shot methods. In zero-...
- research-articleNovember 2024
Multi-granularity representation learning for sketch-based dynamic face image retrieval
AbstractIn some specific scenarios, a face sketch can be used to identify a person. However, drawing a face sketch often requires excellent skills and is time-consuming, which seriously hinders its widespread in the actual scenarios. The new framework of ...
- research-articleNovember 2024
Multi-scale task-aware structure graph modeling for few-shot image recognition
AbstractThe Few-shot image recognition attempts to recognize images from a novel class with only a limited number of labeled training images, which is a few-shot learning (FSL) task. FSL is very challenging. Limited labeled training samples cannot ...
Highlights- Incorporating multi-scale task-aware local structure learning and multi-scale structure graph modeling.
- Adaptively capturing the local structures at each scale based on task embeddings.
- Introducing a multi-scale graph attention ...
- research-articleNovember 2024
ICCG: low-cost and efficient consistency with adaptive synchronization for metadata replication
- Chenhao Zhang,
- Liang Wang,
- Jing Shang,
- Zhiwen Xiao,
- Limin Xiao,
- Meng Han,
- Bing Wei,
- Runnan Shen,
- Jinquan Wang
Frontiers of Computer Science: Selected Publications from Chinese Universities (FCS), Volume 19, Issue 1https://doi.org/10.1007/s11704-023-2772-yAbstractThe rapid growth in the storage scale of wide-area distributed file systems (DFS) calls for fast and scalable metadata management. Metadata replication is the widely used technique for improving the performance and scalability of metadata ...
- research-articleJanuary 2025
Development and validation of a deep learning-based survival prediction model for pediatric glioma patients: A retrospective study using the SEER database and Chinese data
- Yang Jiao,
- Jianan Ye,
- Wenjian Zhao,
- Zhicheng Fan,
- Yunpeng Kou,
- Shaochun Guo,
- Min Chao,
- Chao Fan,
- Peigang Ji,
- Jinghui Liu,
- Yulong Zhai,
- Yuan Wang,
- Na Wang,
- Liang Wang
Computers in Biology and Medicine (CBIM), Volume 182, Issue Chttps://doi.org/10.1016/j.compbiomed.2024.109185Abstract ObjectiveDevelop a time-dependent deep learning model to accurately predict the prognosis of pediatric glioma patients, which can assist clinicians in making precise treatment decisions and reducing patient risk.
Study designThe study involved ...
Highlights- DeepSurv bests CoxPH, RSF, N-MTLR for pediatric glioma survival, C-index 0.881.
- DeepSurv-based online tool offers real-time survival curves for glioma treatment.
- Prognosis factors: tumor stage, histological, therapy, size, age, ...
- research-articleNovember 2024
A sliding mode based foot-end trajectory consensus control method with variable topology for legged motion of heavy-duty robot
Robotics and Autonomous Systems (ROAS), Volume 181, Issue Chttps://doi.org/10.1016/j.robot.2024.104764AbstractRational foot-end trajectory planning and control are of great significance for stable-legged walking of heavy-duty multi-legged robots. To achieve a fast, active, and compliant response of the leg actuator to disturbances for improvement of the ...
Highlights- A swing phase trajectory planning method is proposed to fully use leg workspace.
- A foot-end consensus controller is proposed to encode consistent error of the robot.
- The sliding mode controller based on consistent error improves ...
- research-articleOctober 2024
Modality-Balanced Learning for Multimedia Recommendation
MM '24: Proceedings of the 32nd ACM International Conference on MultimediaPages 7551–7560https://doi.org/10.1145/3664647.3680626Many recommender models have been proposed to investigate how to incorporate multimodal content information into traditional collaborative filtering framework effectively. The use of multimodal information is expected to provide more comprehensive ...
- research-articleOctober 2024
Concertorl: A reinforcement learning approach for finite-time single-life enhanced control and its application to direct-drive tandem-wing experiment platforms
Applied Intelligence (KLU-APIN), Volume 54, Issue 24Pages 13121–13159https://doi.org/10.1007/s10489-024-05720-7AbstractAchieving control of mechanical systems using finite-time single-life methods presents significant challenges in safety and efficiency for existing control algorithms. To address these issues, the ConcertoRL algorithm is introduced, featuring two ...
- research-articleDecember 2024
Resilience Assessment of Nanjing Rail Transit Stations
IDST '24: Proceedings of the 2024 International Conference on Intelligent Driving and Smart TransportationPages 214–219https://doi.org/10.1145/3704657.3704693The transportation system is an important part of the urban system, and the prosperity of the transportation system is the key to the prosperity of the city. In recent years, with the development and expansion of major cities in China, urban ...
- short-paperOctober 2024
Evolving to the Future: Unseen Event Adaptive Fake News Detection on Social Media
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 4273–4277https://doi.org/10.1145/3627673.3679919With the rapid development of social media, the wide dissemination of fake news on social media is increasingly threatening both individuals and society. One of the unique challenges for fake news detection on social media is how to detect fake news on ...
- short-paperOctober 2024
CMG: A Causality-enhanced Multi-view Graph Model for Stock Trend Prediction
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 3699–3703https://doi.org/10.1145/3627673.3679886The stock trend prediction problem refers to forecasting future stock price trends. In recent years, some methods discovered causal relations between stocks to address this problem. However, traditional causal discovery methods face unique challenges in ...
- short-paperOctober 2024
A Systematic Evaluation of Generated Time Series and Their Effects in Self-Supervised Pretraining
- Audrey Der,
- Chin-Chia Michael Yeh,
- Xin Dai,
- Huiyuan Chen,
- Yan Zheng,
- Yujie Fan,
- Zhongfang Zhuang,
- Vivian Lai,
- Junpeng Wang,
- Liang Wang,
- Wei Zhang,
- Eamonn Keogh
CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge ManagementPages 3719–3723https://doi.org/10.1145/3627673.3679870Self-supervised Pretrained Models (PTMs) have demonstrated remarkable performance in computer vision and natural language processing tasks. These successes have prompted researchers to design PTMs for time series data. In our experiments, most self-...
- research-articleOctober 2024
MetaTKG++: Learning evolving factor enhanced meta-knowledge for temporal knowledge graph reasoning
AbstractReasoning over Temporal Knowledge Graphs (TKGs) aims to predict future facts based on the given history. One of the key challenges for prediction is to analyze the evolution process of facts. Most existing works focus on exploring evolutionary ...
Highlights- We introduce the latent evolving factors for TKG prediction.
- We propose a novel evolving factor enhanced Temporal Meta-Learner module.
- Extensive experiments are conducted to show the effectiveness of MetaTKG++.
- research-articleOctober 2024
Empower Real-World BCIs with NIRS-X: An Adaptive Learning Framework that Harnesses Unlabeled Brain Signals
UIST '24: Proceedings of the 37th Annual ACM Symposium on User Interface Software and TechnologyArticle No.: 50, Pages 1–16https://doi.org/10.1145/3654777.3676429Brain-Computer Interfaces (BCIs) using functional near-infrared spectroscopy (fNIRS) hold promise for future interactive user interfaces due to their ease of deployment and declining cost. However, they typically require a separate calibration process ...