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Privacy-preserving federated learning cyber-threat detection for intelligent transport systems with blockchain-based security
منشور في 2022"…The results indicated that the precision and accuracy decreased by 7.1% on average with comparable F1-score and recall. …"
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Location privacy preservation in secure crowdsourcing-based cooperative spectrum sensing
منشور في 2016"…The existing solutions present a high level of complexity which decreases the performance of the systems. The second problem is the data injection attack, in which malicious CR users may affect the decisions taken by the cognitive users by providing false information, introducing spectrum sensing data falsification (SSDF). …"
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An Improved Genghis Khan Optimizer based on Enhanced Solution Quality Strategy for Global Optimization and Feature Selection Problems
منشور في 2024"…The primary goals of feature selection are to decrease the number of dimensions and enhance classification accuracy in many domains, such as text classification, large-scale data analysis, and pattern recognition. …"
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Osteoporosis in patients with stroke: A cross-sectional study
منشور في 2016"…Our study provides additional evidence that the reduction in BMD is one of the major complications of a stroke. Given that the incidence of fractures in this population is large, there is a need to perform routine DXA examinations.…"
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Flight Scheduling in the Airspace
منشور في 2016"…The tests were conducted under a Windows 7 machine with an Intel Core i7 and 8 GB of RAM. The model was tested on each instance with 1 hour time limit. …"
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Absorption of CO2 in aqueous blend of methyldiethanolamine and arginine
منشور في 2020"…However, for CO2 partial pressure of above 20 kPa, the addition of Arg caused a decrease in the solubility of CO2. The obtained loading data were correlated using a semiempirical (SE) vapour liquid equilibrium (VLE) model with an average absolute deviation (AAD) less than 4.1% between the predicted and the experimental values. …"
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Impact of birth weight to placental weight ratio and other perinatal risk factors on left ventricular dimensions in newborns: A prospective cohort analysis
منشور في 2024"…Methods: A prospective cohort study was conducted on neonates at NewYork-Presbyterian Brooklyn Methodist Hospital from 2014 to 2018, categorized by their BW/PW percentile. Missing data were imputed with principal component analysis. …"
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Impact of the COVID-19 pandemic on sexually transmitted infection testing and diagnosis in Lebanon: A retrospective chart review
منشور في 2024"…Post-COVID-19 onset, a total of 1350 VCT services and 406 medical consultations were provided, an overall 45 % decrease compared with pre-COVID-19 onset. The prevalence pre-COVID-19 onset of HIV, syphilis, HBV, and HCV was 0.8 %, 0.3 %, 0.2 %, and 0.1 %, respectively, and post-COVID-19 onset 1.2 %, 0.7 %, 0.3 %, and 0.3 %, respectively. …"
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Edge-based compression and classification for smart healthcare systems: concept, implementation and evaluation
منشور في 2019"…We show the effectiveness of our system and its ability to outperform conventional remote monitoring systems that ignore data processing at the edge by: (i) achieving 98.3% classification accuracy for seizures detection, (ii) extending battery lifetime by 60%, and (iii) decreasing average transmission delay by 90%.…"
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Linear dynamics modelling of droplet deformation in a pulsatile electric field
منشور في 2016"…Resonance is possible only when the droplets are sufficiently large (i.e. for Ohnesorge number less than 1). The oscillation amplitude decreases rapidly with the electric field frequency. …"
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Graph-Guided Regularized Regression of Pacific Ocean Climate Variables to Increase Predictive Skill of Southwestern U.S. Winter Precipitation
منشور في 2021"…Similarly, statistical methods drawing upon established climate teleconnections have low prediction skill due to the complex nature of the climate system. Recently, promising data-driven approaches have been proposed, but they often suffer from overparameterization and overfitting due to the short observational record, and they often do not account for spatiotemporal dependencies among covariates (i.e., predictors such as sea surface temperatures). …"
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Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar
منشور في 2018"…The large seasonal variation indicates additional likelihoods to decrease healthcare service use. …"
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Adaptation of a Mice Doppler Echocardiography Platform to Measure Cardiac Flow Velocities for Embryonic Chicken and Adult Zebrafish.
منشور في 2019"…The protocols will involve detailed steps for animal stabilization, probe orientation for specific measurements, data acquisition, and data analysis. We believe this information will help cardiac researchers to establish similar echocardiography platforms in their labs in a practical and economical manner.…"
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Estimation of Mechanical Properties of Copper Powder Filled Linear Low-Density Polyethylene Composites
منشور في 2022"…Conclusion: In line with the experimental data, we found that as we increased the volume fraction of the copper powder, the elongation and stress at break of the composites decreased, while the Young’s modulus increased.…"
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Hot and Hypoxic environments inhibit simulated soccer performance and exacerbate performance decrements when combined
منشور في 2016"…The effects of heat and/or hypoxia have been well-documented in match-play data.However,large match-to match variation for key physical performance measures makes environmental inferences difficult to ascertain from soccer matchplay.Therefore, the present study aims to investigate the hot(HOT), hypoxic(HYP), and hot-hypoxic(HH)mediated-decrements during a non-motorized treadmill based soccer-specific simulation. …"
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The Role of Key Impurity Elements on the Performance of Aluminium Electrolysis - Current Efficiency and Metal Quality
منشور في 2015"…It is established in the literature that for every 100 ppm of phosphorus in the bath the current efficiency is decreased by 1%. The chemical and electrochemical behavior of phosphorus and silicon compounds in the Hall-Héroult process was studied. …"
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Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model
منشور في 2016"…This variable is employed as second proxy of environment quality measures. This data set used is a quarterly data and covers the period 1975Q1 to 2007Q4 for variables used for ecological footprint equation and covers the periods 1980Q1 to 2010Q4 for the CO2 emissions equations variables. …"
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Outcomes of critically ill COVID-19 patients boarding in the emergency department of a tertiary care center in a developing country: a retrospective cohort study
منشور في 2023"…Methods: This was a retrospective cohort study, investigating 145 COVID-19-positive adult patients who were critically ill, required intensive care unit (ICU), and boarded in the ED of a tertiary care center in Lebanon. Data on patients who boarded in the emergency from January 1, 2020, till January 31, 2021, was gathered and studied. …"
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Implementing and Analyzing a Recursive Technique for Building Path Oblivious RAM
منشور في 2018"…This is typically accomplished by accessing multiple items each access and periodically reshuffling some, or all, of the data on the data-store. One critical limitation of ORAM techniques is the need to have large storage capacity on the client, which is typically a weak device. …"
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