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    Wyświetlanie 1-5 z 5
    Tytuł:
    Perspectives for Fog Computing in Manufacturing
    Autorzy:
    Pizoń, J.
    Lipski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/117964.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    fog computing
    industry 4.0
    cloud computing
    Opis:
    This article discusses ongoing efforts to enable the fog computing vision in manufacturing. As a new paradigm of computing implementation of fog computing faces many challenges that open perspective of new applications within a field of manufacturing. It is expected that fog computing will be one of factors that will accelerate development of in forth industrial revolution. In this article we discuss the perspectives of manufacturing companies surrounded by new solutions of CPS, CPPS and CM in relation to fog computing.
    Źródło:
    Applied Computer Science; 2016, 12, 3; 37-46
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Noninvasive blood glucose level monitoring for predicting insulin infusion rate using multivariate data
    Autorzy:
    Geetha, G.
    Ponsam, J. Godwin
    Nimala, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/38709458.pdf
    Data publikacji:
    2024
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    CGM
    fog computing
    hypoglycemia
    hyperglycemia
    Apriori algorithm
    obliczenie mgły
    hipoglikemia
    hiperglikemia
    Algorytm Apriori
    Opis:
    Diabetes stands as the most widely recognized acute disease globally, resulting in death when it is not treated in an appropriate manner and time. We have developed a closedloop control system that uses continuous glucose, carbohydrate, and physiological variable data to regulate glucose levels and treat hyperglycemia and hypoglycemia, as well as a hypoglycemia early warning module. Overall, the proposed models are effective at predicting a normal glycemic range from >70 to 180 mg/dl, hypoglycemic values of <70 mg/dl, and hyperglycemic value of 180 mg/dl blood sugar levels. We undertook a seven-day, day-and-night home study with 15 adults. Initially, we started with checking insulin levels after meal consumption, and later, we concentrated on how our system reacted to the physical activity of the patients. Evaluation was conducted based on performance parameters such as precision (0.87), recall (0.87), F-score (0.82), delay (26.5±3), and error size (1.14±2).
    Źródło:
    Computer Assisted Methods in Engineering and Science; 2024, 31, 2; 157-174
    2299-3649
    Pojawia się w:
    Computer Assisted Methods in Engineering and Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Graph-based fog computing network model
    Autorzy:
    Pysmennyi, Ihor
    Petrenko, Anatolii
    Kyslyi, Roman
    Powiązania:
    https://bibliotekanauki.pl/articles/1837778.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    software-defined networks
    fog computing
    smart sensors
    IoT
    sieci definiowalne programowo
    mgła obliczeniowa
    inteligentne czujniki
    Opis:
    IoT networks generate numerous amounts of data that is then transferred to the cloud for processing. Transferring data cleansing and parts of calculations towards these edge-level networks improves system’s, latency, energy consumption, network bandwidth and computational resources utilization, fault tolerance and thus operational costs. On the other hand, these fog nodes are resource-constrained, have extremely distributed and heterogeneous nature, lack horizontal scalability, and, thus, the vanilla SOA approach is not applicable to them. Utilization of Software Defined Network (SDN) with task distribution capabilities advocated in this paper addresses these issues. Suggested framework may utilize various routing and data distribution algorithms allowing to build flexible system most relevant for particular use-case. Advocated architecture was evaluated in agent-based simulation environment and proved its’ feasibility and performance gains compared to conventional event-stream approach.
    Źródło:
    Applied Computer Science; 2020, 16, 4; 5-20
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A combinatorial auction mechanism for time-varying multidimensional resource allocation and pricing in fog computing
    Autorzy:
    Li, Shiyong
    Zhang, Yanan
    Sun, Wei
    Liu, Jia
    Powiązania:
    https://bibliotekanauki.pl/articles/15548021.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    fog computing
    combinatorial auction
    time varying multidimensional resource allocation
    resource pricing
    mgła obliczeniowa
    aukcja kombinatoryczna
    wycena zasobów
    Opis:
    It is a hot topic to investigate resource allocation in fog computing. However, currently resource allocation in fog computing mostly supports only fixed resources, that is, the resource requirements of users are satisfied with a fixed amount of resources during the usage time, which may result in low utility of resource providers and even cause a waste of resources. Therefore, we establish an integer programming model for the time-varying multidimensional resource allocation problem in fog computing to maximize the utility of the fog resource pool. We also design a heuristic algorithm to approximate the solution of the model. We apply a dominant-resource-based strategy for resource allocation to improve resource utilization as well as critical value theory for resource pricing to enhance the utility of the fog resource pool. We also prove that the algorithm satisfies truthful and individual rationality. Finally, we give some numerical examples to demonstrate the performance of the algorithm. Compared with existing studies, our approach can improve resource utilization and maximize the utility of the fog resource pool.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2023, 33, 2; 327--339
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Decentralized device authentication for cloud systems with blockchain using skip graph algorithm
    Autorzy:
    Sammy, F.
    Vigila, S. Maria Celestin
    Powiązania:
    https://bibliotekanauki.pl/articles/38700867.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    blockchain
    cloud computing
    edge computing
    fog computing
    latency
    power consumption
    ID algorithm
    single point failure
    skipgraph
    łańcuch bloków
    chmura obliczeniowa
    przetwarzanie brzegowe
    mgła obliczeniowa
    czas oczekiwania
    pobór energii
    algorytm ID
    awaria jednego punktu
    przeskok
    Opis:
    Cloud computing provides centralized computing services to the user on demand. Despite this sophisticated service, it suffers from single-point failure, which blocks the entire system. Many security operations consider this single-point failure, which demands alternate security solutions to the aforesaid problem. Blockchain technology provides a corrective measure to a single-point failure with the decentralized operation. The devices communicating in the cloud environment range from small IoT devices to large cloud data storage. The nodes should be effectively authenticated in a blockchain environment. Mutual authentication is time-efficient when the network is small. However, as the network scales, authentication is less time-efficient, and dynamic scalability is not possible with smart contract-based authentication. To address this issue, the blockchain node runs the skip graph algorithm to retrieve the registered node. The skip graph algorithm possesses scalability and decentralized nature, and retrieves a node by finding the longest prefix matching. The worst time complexity is O(log n) for maximum n nodes. This method ensures fast nodal retrieval in the mutual authentication process. The proposed search by name id algorithm through skip graph is efficient compared with the state-of-art existing work and the performance is also good compared with the existing work where the latency is reduced by 30–80%, and the power consumption is reduced by 32–50% compared to other considered approaches.
    Źródło:
    Computer Assisted Methods in Engineering and Science; 2023, 30, 2; 203-221
    2299-3649
    Pojawia się w:
    Computer Assisted Methods in Engineering and Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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