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2022 ◽  
Vol 2022 ◽  
pp. 1-12
Author(s):  
Hengliang Chen ◽  
Zilin Li ◽  
Fei Luo

To provide a basic quantitative mathematical model for data analysis, decision-making support, and application of information systems oriented to emergency research, this paper established an information transmission response model for school students under such system mathematically based on actual school information transmission data during COVID-19 prevention. This paper proposes an emergency information management method—a two-step emergency information management method. It can be referenced for promotion of the development of IT-based school management, enhancement of IT application in school emergency information management, and improvement of the speed and accuracy of information transmission.


2021 ◽  
Vol 2021 (12) ◽  
pp. 20-25
Author(s):  
Vadim Putrolaynen ◽  
Maksim Belyaev ◽  
Dmitriy Kirienko ◽  
Pavel Lun'kov

The modular hardware platform architecture for the development of industrial IoT devices is presented as an example of information harvesting and its analysis. Variants of modules implementing typical functions of such devices are given: data acquisition from a distributed array of sensors; preprocessing, aggregation and data transmission; data mining; storage of primary data and analysis results.


Sensors ◽  
2021 ◽  
Vol 21 (21) ◽  
pp. 7375
Author(s):  
Carlos R. Morales ◽  
Fernando Rangel de Sousa ◽  
Valner Brusamarello ◽  
Nestor C. Fernandes

One of the most important challenges in Wireless Sensor Networks (WSN) is the extension of the sensors lifetime, which are battery-powered devices, through a reduction in energy consumption. Using data prediction to decrease the amount of transmitted data is one of the approaches to solve this problem. This paper provides a comparison of deep learning methods in a dual prediction scheme to reduce transmission. The structures of the models are presented along with their parameters. A comparison of the models is provided using different performance metrics, together with the percent of points transmitted per threshold, and the errors between the final data received by Base Station (BS) and the measured values. The results show that the model with better performance in the dataset was the model with Attention, saving a considerable amount of data in transmission and still maintaining a good representation of the measured data.


2021 ◽  
Vol 2083 (4) ◽  
pp. 042045
Author(s):  
Shichuang Zheng ◽  
Jiajun Li ◽  
Shuai Chen ◽  
Yujia Liang ◽  
Jiangtao Lin

Abstract Traditional detection method of data breakpoint in computer communication network has some disadvantages, such as time consuming, etc. Firstly, the data of computer transmission breakpoints are stored based on cloud framework, and the density distribution characteristics of the region are extracted according to the breakpoint data. Then the optimal data breakpoint detection path is selected. Finally, the similarity of each data breakpoint is detected by the computer, so that the detection of data breakpoints is realized by computer. After experiments, the data breakpoint detection is realized, the results show that the designed method can detect data breakpoints accurately, which is time-saving and has a certain significance of popularization.


Viruses ◽  
2021 ◽  
Vol 13 (9) ◽  
pp. 1792
Author(s):  
Mònica Carol ◽  
Víctor Guadalupe-Fernández ◽  
Cristina Rius ◽  
Nuria Soldevila ◽  
Efrén Razquin ◽  
...  

On 2 February 2017, Epidemiological Surveillance Services were notified of an outbreak of acute gastroenteritis (AGE) among schoolchildren who had taken part of a school trip from 30 January to 3 February 2017 at a holiday camp in Catalonia. A retrospective cohort study was performed to identify the causative agent, estimate the magnitude of the outbreak and identify its source, as well as to determine the route of transmission. Data collected by standardised questionnaires identified 41 episodes of AGE among 174 individuals who attended the camp. Cases had mainly symptoms of abdominal pain (73.8%), nausea (64.3%), vomiting (54.8%), diarrhoea (45.2%) and headache (42.9%). Consumption of water was associated with gastroenteritis (crude RR: 1.72, 95%CI: 1.01–2.92; adjusted RR: 1.88, 95%CI 1.03–3.56). NoV GII was detected in faeces (5 out of 13) and water samples. Additionally, faecal indicator bacteria and protozoa were detected in water samples. The outbreak showed a high attack rate and was caused by a natural water fountain not properly treated and not monitored for safety quality. There could have been a discharge of wastewater at a point close to the fountain; however, the source of contamination of the water could not be identified. Health education may be useful to eliminate risks associated with the consumption of untreated water from natural fountains.


2021 ◽  
Vol 63 (9) ◽  
pp. 534-539
Author(s):  
C Hoyle ◽  
M Sutcliffe ◽  
P Charlton ◽  
S Mosey

Ultrasonic through-transmission data processed using the back-projection algorithm offers depth and lateral information about a defect beyond the capabilities of current through-transmission techniques. This technique was trialled on a carbon steel block containing side-drilled holes. Imaging artefacts can arise from the use of the backprojection algorithm, due to applying a weighting of one to each pixel, irrespective of how much of the pixel is intersected by the beam. Noise can also occur within the image where there are few intersections of the pixels made. This is seen at the edges of the image. In this paper, a novel back-projection technique utilises the weighting of pixels, dependent on the normalised weight of the beam that intersects them, to reduce any artefacts that occurred previously due to the backprojection algorithm. This paper also explores the use of the algebraic reconstruction technique (ART) algorithm for noise removal, thus increasing the sharpness of the defect.


2021 ◽  
Vol 5 (2) ◽  
pp. 91-101
Author(s):  
Achmad Rizaldi ◽  
Apriade Voutama ◽  
Susilawati Susilawati

Dengue Fever is still a serious health problem and a major problem in the health sector in various parts of the world and also in Indonesia. This disease is an infectious disease and can infect all ages because there are still many people who still lack awareness in maintaining cleanliness to anticipate transmission. Data from the Ministry of Health of the Republic of Indonesia (Kemenkes RI) Indonesia recorded the number of people infected with Dengue Fever disease as many as 95,893 throughout 2020 and as many as 661 people died from this disease. The method used is using the certainty factor method where if it is interpreted this method will be used to help make a decision to diagnose the category of Dengue Fever level with a level of confidence in the form of a percentage of how much someone is infected with Dengue Fever in the existing category. The results obtained in the calculation of certainty factor get a result in the category of grade 1 of 98%, grade 2 of 98%, grade 3 of 99%, grade 4 of 99%. These results are enough to prove that this certainty factor method has a fairly high percentage level result.


2021 ◽  
Author(s):  
Zhongyu MA ◽  
Yanxing Liu ◽  
Qun Guo ◽  
Xiaochao Dang ◽  
Zhanjun Hao ◽  
...  

Abstract Internet of Remote Things (IoRT) is widely used in both military and civilian applications. However, due to the unique characteristics, which is characterized as long-distance and high-latency, the design of the routing protocol is a great challenge of IoRT. In this paper, a QoS-oriented and traffic-aware multi-path routing protocol (QoTa-MRP) is proposed for IoRT. QoTa-MRP is composed of two parts. The first part is the link traffic-aware based multi-paths source route discovery mechanism, which is used to establish multi-paths with lower link disjoint degree. The second part is path similarity and traffic priority based multi-path selection mechanism, which is used to determine the transmission mode of the traffic flows to enhance the reliability or effectiveness of the transmission. Simultaneously, the protocol is theoretically analyzed in terms of the successful transmission rate of routing transmission data packet. Finally, the dynamic source routing, which is a very representative protocol and is usually used as the baseline comparison protocol, is revisited for the performance verification of the QoTa-MRP in IoRT. It is shown in the simulation results that there are significant superiorities of QoTa-MRP than that of DSR in terms of network throughput, packet loss rate and routing packet header overhead in IoRT.


Author(s):  
Ruchi Singh

The SARS-CoV-2 episode began in Wuhan City, China, in December 2019. It is currently a worldwide pandemic, with 7,820,023 affirmed cases, 430,694 deaths, and 3,729,054 recuperations (starting at 14 June 2020). The infection has the potential for fast and broad spread among individuals and nations. There is a great deal of misdirecting data and information holes on the recently risen SARS-CoV-2. Hence, we checked on the most recent updates about various angles including the study of disease transmission, wellspring of contamination, transmission elements, zoonotic potential, infection attributes, and revelation of novel methodologies for ailment control to keep away from overflow of disease later on. Bats assume a significant job in the transmission of the disease to people. Corona viruses are hereditarily assorted and have a high propensity towards visit hereditary changes and quality recombination, which expands the danger of interspecies transmission. Data about the brooding time frame can help in setting up a powerful isolate for asymptomatic bearers, subsequently forestalling the infection spread. From our points of view and dependent on the at present accessible data about the infection and it’s the study of disease transmission, the control of the SARS-CoV-2 requires a powerful and worldwide sickness coordination exertion including multidisciplinary research endeavours (One-Wellbeing approach) through joint effort between governments, disease transmission specialists, virologists, wellbeing specialists, veterinarians, and doctors. At this phase of the ailment flare-up, creating antibodies is vital to constrain the spread of the disease.


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