Journal of Networking and Network Applications最新文献_第3页

GNN-LS: A Learning Style Prediction in Online Environments using Graph Neural Networks GNN-LS:基于图神经网络的在线学习风格预测

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2022.020405

Bello Ahmad Muhammad, Bo Liu, Hafsa Kabir Ahmad, M. Umar, Kenan Qin

{"title":"GNN-LS: A Learning Style Prediction in Online Environments using Graph Neural Networks","authors":"Bello Ahmad Muhammad, Bo Liu, Hafsa Kabir Ahmad, M. Umar, Kenan Qin","doi":"10.33969/j-nana.2022.020405","DOIUrl":"https://doi.org/10.33969/j-nana.2022.020405","url":null,"abstract":"Prediction of learners’ learning styles in online environments has several advantages, including steering learners on the proper path, motivating and engaging them while learning, and improving their learning results. It also helps instructors in the formation of personalized resource recommendations. As a result, predicting learners learning styles is necessary to aid in the personalization process. Existing approaches use either conventional or automatic approaches for learning style identifications. However, the large volume of data stored in online platforms has become a challenge in analyzing the behavior of learners and predicting their learning styles in the real world. Also, most of the existing approaches rely on a particular learning platform and can not be used in other platforms without technical assistance. In this paper, we propose GNN-LS, a new approach to identify and predict learners learning styles using a graph neural network. First, the graph embedding technique is used to capture the representation of learners and resources as a bipartite graph and encode them into low-dimensional representation. The encoded L-R sequences were given as input to the K-means clustering algorithm to identify and obtain labels as per FSLSM dimensions. Then, Graph neural network is trained to predict the learner’s learning style in the real world. The GNN-LS technique can be applied in a variety of educational systems and adapted to fit a variety of learning style models. Extensive experiments are run using the 2015 KDD Cup public available dataset to demonstrate the capabilities of GNN-LS. 5.31-15.68% improvements are achieved across all four FSLSM dimensions in accuracy.","PeriodicalId":384373,"journal":{"name":"Journal of Networking and Network Applications","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126628076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fine-grained Image Classification using Convolutional Neural Network and Support Vector Machine 基于卷积神经网络和支持向量机的细粒度图像分类

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2022.020204

Yu Shi, Tao Lin, Wei He, Biaolong Chen, Ruixia Wang, Nan Jiang, Yabo Zhang

引用次数: 0

Security-Reliability Tradeoffs for Dual-Hop Satellite Communication Systems with AF Relaying Protocol 采用AF中继协议的双跳卫星通信系统的安全可靠性权衡

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2022.020202

Yeqiu Xiao, Jin Liu, Shuangrui Zhao

{"title":"Security-Reliability Tradeoffs for Dual-Hop Satellite Communication Systems with AF Relaying Protocol","authors":"Yeqiu Xiao, Jin Liu, Shuangrui Zhao","doi":"10.33969/j-nana.2022.020202","DOIUrl":"https://doi.org/10.33969/j-nana.2022.020202","url":null,"abstract":"Satellite communication systems serve as an indispensable component of heterogeneous wireless networks in the next generation era for providing various critical civil and military applications. However, due to the broadcast nature and full accessibility of the wireless medium, such systems exist serious security threats. As an effort to address this issue, this paper, for the first time, investigates secure communication in a dual-hop communication system consisting of a satellite working as an amplified-and-forward relay. We first provide the theoretical modeling to analyze the fundamental system metrics in terms of secrecy outage probability and connection outage probability. By using the modeling, we then study the security-reliability tradeoffs and propose to transmit power schemes depending on the search algorithm. We further analyze asymptotic expressions of outage performance, which was further utilized to simplify the transmit power schemes. Simulation results show the validation of the proposed secure transmission model and design schemes of transmit power. Results also illustrate that transmit power schemes based on asymptotic analysis effectively achieve the optimal performance for the relay satellite communication system.","PeriodicalId":384373,"journal":{"name":"Journal of Networking and Network Applications","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124294878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Efficient Beacon Deployment for Large-scale Positioning 大规模定位的高效信标部署

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2021.010201

W. He, P. Ho, Dong Wang, Li Xiao

引用次数: 1

Embedded Contact Tracing using Mobile Devices, Cloud, and iBeacons 嵌入式接触跟踪使用移动设备，云，和iBeacons

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2021.010304

Mian Hamza, Jin-Xin Hu

引用次数: 0

Joint Frequency Offset and Channel Estimation for NB-IoT Systems NB-IoT系统的联合频偏和信道估计

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2022.020201

Pinchang Zhang, Ji He, Jiankuo Dong, Letian Sha

引用次数: 1

Auditable and Times limitable Secure Data Access Control for Cloud-based Industrial Internet of Things 基于云的工业物联网可审计、可限时安全数据访问控制

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2021.010306

Teng Li, Jiawei Zhang, Yanbo Yang, Wei Qiao, Yangxu Lin

{"title":"Auditable and Times limitable Secure Data Access Control for Cloud-based Industrial Internet of Things","authors":"Teng Li, Jiawei Zhang, Yanbo Yang, Wei Qiao, Yangxu Lin","doi":"10.33969/j-nana.2021.010306","DOIUrl":"https://doi.org/10.33969/j-nana.2021.010306","url":null,"abstract":"Recently, the rapid development of Internet of things (IoT) and cloud computing technologies have greatly facilitated various industrial applications and Industrial IoT (IIoT). The widely deployed IIoT devices and large capacity of cloud significantly benefit for and bring convenience to various industrial sectors. However, there exist a large number of concerns about data security in IIoT, especially when a majority of sensitive IIoT data is shared in cloud. Although as one of the most promising technique, Ciphertext-Policy Attribute-Based Encryption (CP-ABE) can provide fine-grained access control for IIoT data shared in cloud, there are still many drawbacks which impede the direct adoption of conventional CP-ABE. On the one hand, unlimited IIoT data access times may disable data access service of cloud and bring serious consequences. On the other hand, the access policies of ciphertexts usually consist of much sensitive information and cause privacy exposure. Moreover, the high computation overhead also extremely hinders resource-limited users in IIoT applications. To solve these problems, we propose TAHP-CP-ABE, a k-times and auditable hidden-policy CP-ABE scheme which is suitable for resource-limited users and privacy-aware access policies with data access times limitation in IIoT applications. Specifically, TAHP-CP-ABE preserves the privacy of access policies by hiding only attribute values and realizes limited access times as well as efficient IIoT ciphertexts decryption with decryption test and outsourced decryption. The security analysis and experimental results indicate that TAHP-CP-ABE is secure, efficient and practical.","PeriodicalId":384373,"journal":{"name":"Journal of Networking and Network Applications","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134188485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Cooperative Two-Step Vertical Handoff Scheme with Mobility Prediction 一种具有迁移率预测的两步协同垂直切换方案

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2021.010301

Shih Yu Chang, P. Ho

{"title":"A Cooperative Two-Step Vertical Handoff Scheme with Mobility Prediction","authors":"Shih Yu Chang, P. Ho","doi":"10.33969/j-nana.2021.010301","DOIUrl":"https://doi.org/10.33969/j-nana.2021.010301","url":null,"abstract":"As mobile communication evolves into 3G beyond, the interworking of multiple heterogeneous networks serves as the major effort for taking the best advantage of different technologies available in supporting various emerging services, such as VoIP, Video on Demand (VoD), and IP Television (IPTV), etc. Vertical handoff is one of the key mechanisms in achieving Always Best Connected (ABC) for the mobile users by leveraging the benefits of deploying different types of networks for provisioning seamless handoff/roaming services in presence of user mobility. This paper aims to introduce a novel cooperative two-step vertical handoff scheme for the integration of 3G Wireless Wide-Area Networks (WWAN) and the IEEE 802.11 Wireless Local-Area Networks (WLANs). The proposed scheme is based on the cooperation based access point (AP) and mobile station (MS), where the AP manipulates the sensed signal strength to determine whether a pre-handoff action should be initiated. To improve the accuracy of user mobility prediction, a Markov model that incorporates with a novel parameter training process is developed at the AP for acquiring the hotspot geographic arrangement, such as the location of aisles, walls, and entrances/exits, etc., which is considered as the major factor of determining the user mobility patterns in an indoor hotspot. We will justify feasibility and discuss the operation complexity of the proposed cooperative vertical handoff. Moreover, error propagation due to inaccurate signal strength measurement is studied through Maximum Likelihood estimation. Finally, we will clearly demonstrate the merits gained by using the proposed two-step vertical handoff mechanism through extensive simulation, where the derived analytical models are verified.","PeriodicalId":384373,"journal":{"name":"Journal of Networking and Network Applications","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131633471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Image Classification of Covid-19 Pneumonia Based on Mask-EfficientNet 基于mask - effentnet的Covid-19肺炎图像分类

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2022.020403

Xiao Xu, Wuhua Wang, Quanfeng Xu

引用次数: 0

Physical Layer Authentication in the Internet of Vehicles based on Signal Propagation Attribute Prediction 基于信号传播属性预测的车联网物理层认证

Journal of Networking and Network Applications Pub Date : 1900-01-01 DOI: 10.33969/j-nana.2023.030101

M. Umar, Jiandong Wang, Lei Liu, Zewei Guo, Shuguang Wang

{"title":"Physical Layer Authentication in the Internet of Vehicles based on Signal Propagation Attribute Prediction","authors":"M. Umar, Jiandong Wang, Lei Liu, Zewei Guo, Shuguang Wang","doi":"10.33969/j-nana.2023.030101","DOIUrl":"https://doi.org/10.33969/j-nana.2023.030101","url":null,"abstract":"Physical layer authentication (PLA) has emerged as a promising alternative to complex cryptographic-based authentication schemes, especially for the Internet of Vehicles (IoV) scenarios with resource-limited onboard units (OBUs). However, the existing PLA schemes securing the IoV against GPS location spoofing/falsification attacks consider only insider attackers. Moreover, they cannot be used by mobile vehicles to validate GPS locations. To address these issues, this paper proposes a PLA scheme based on the Gaussian process (GP) path loss prediction, where channel state information (CSI) is used to track the variation of the channel characteristics and predict the next legitimate path loss (PL) of the signal from a transmitter for authentication. The key ideas in the proposed scheme are to first establish a mapping between the historical CSI attributes and PL features of the transmitter’s signal and use this mapping to predict the next PL, which is then used to cross-verify the transmitter’s reported location information. Extensive simulation experiments are conducted using generated radio channel characteristics from the quasideterministic radio channel generator (QuaDRiGa) to demonstrate the effectiveness of the proposed approach. The results of the experiments show that our system efficiently addressed the limitations of the existing works and improves the authentication performance in IoV environments.","PeriodicalId":384373,"journal":{"name":"Journal of Networking and Network Applications","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124156593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1