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521
Machine Learning-Based Estimation of foF2 and MUF(3000)F2 Using GNSS Ionospheric TEC Observations
Published 2025-05-01“…This study developed machine learning models using different algorithms, including support vector machine (SVM), random forest (RF), and backpropagation neural network (BPNN), to estimate the critical frequency of the F2 layer (foF2) and the maximum usable frequency of the F2 layer for a 3000 km circuit (MUF(3000)F2) based on the total electron content (TEC) observed by global navigation satellite system (GNSS) receivers. …”
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522
Can machine-learning algorithms improve upon classical palaeoenvironmental reconstruction models?
Published 2024-10-01“…The first layer applies three different ensemble machine-learning models (random forests, extra random trees, and LightGBM), trained on the modern taxon assemblage and associated environmental data to make reconstructions based on the three different models, while the second layer uses multiple linear regression to integrate these three reconstructions into a consensus reconstruction. …”
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523
Enhancing Wi-Fi 6 spectrum access control with a heuristic OFDMA back-off mechanism
Published 2025-06-01“…The IEEE 802.11ax standard, known as Wi-Fi 6, employs a centralized, multiuser, uplink Orthogonal Frequency Division Multiple Access (OFDMA)-based Random Access (UORA) mechanism to improve user efficiency and network capacity in dense environments. …”
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524
Evaluating Diverse Meta-modeling Approaches for Predicting Performance Characteristics of a Twin Air Intake Based on Experimental Data
Published 2025-03-01“…Their diverse designs, ranging from conventional shapes to innovative configurations, coupled with the intricate interplay of fluid dynamics, boundary layer effects, and structural considerations, render the determination of their performance characteristics a time-consuming task. …”
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525
Subliminal Channels in CRYSTALS-Kyber Key-Encapsulation Mechanism and Their Use in Quantum-Resistant TLS Protocols
Published 2025-01-01“…In the found subliminal channels, the covert message is embedded in the random data needed by the encapsulation or the key generation algorithms. …”
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526
A warning model for predicting patient admissions to the intensive care unit (ICU) following surgery
Published 2025-06-01“…Subsequently, the effectiveness of logistic regression, random forest, support vector machine, and multi-layer perceptron algorithms was compared using ROC curves. …”
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527
Tunable Thin Film Periodicities by Controlling the Orientation of Cylindrical Domains in Side Chain Liquid Crystalline Block Copolymers
Published 2022-01-01“…In the thin film study, poly(methyl methacrylate-random-2,2,2-trifluoroethyl methacrylate-random-methacrylic acid) (PMMA-ran-PTFEMA-ran-PMAA) solution was used as BSLs for tuning the desired periodicities. …”
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528
Eco-Friendly Materials for Temporary Use in Architecture and Decorations
Published 2025-03-01“…Two processing methods were studied: (1) random dispersion of SC at 0, 2, 4, 6, 8, and 10 wt%, and (2) single and double-layer SC composite sheets made with 6 wt% SC. …”
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529
Recognition of Conus species using a combined approach of supervised learning and deep learning-based feature extraction.
Published 2024-01-01“…In this report, we propose an ensemble learning strategy based on the combination of Random Forest (RF) and XGBoost (XGB) methods. We used 47,600 cone shell images of uniform size (224 x 224 pixels), which were split into an 80:20 train-test ratio. …”
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530
Effect of work-rate on synergy of corrosion and wear of nickel-based 690 alloys under fretting conditions
Published 2025-06-01“…The work-rate can characterize random vibrations over time. The effect of work-rate under random vibration on the fretting corrosion of nickel-based 690 alloys in high-temperature and high-pressure environments was studied. …”
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531
A Simple Numerical Modeling of the Effect of the Incoherent Thick Substrate in Thin-Film Solar Cells Based on the Equispaced Thickness Method
Published 2016-01-01“…For comparison, the reflectance spectra in the same structures are calculated by taking the average over coherent calculation results for a large number of random thicknesses of the incoherent layer. According to the comparison of the calculated statistical deviations from the exact solution between the ETM and the random thickness method, the ETM reduces the number of simulations by at least a factor of 50 with the same accuracy.…”
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532
Forecasting Wind Farm Production in the Short, Medium, and Long Terms Using Various Machine Learning Algorithms
Published 2025-02-01“…Five machine learning algorithms were employed—Artificial Neural Network (ANN), Random Forest (RF), Extreme Gradient Boosting (XGBoost), K-Nearest Neighbors Regression (KNN), and Multi-Layer Perceptron (MLP ANN)—utilizing both MinMax and Standard Scaling methods. …”
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533
Routing algorithm for heterogeneous computing force requests based on computing first network
Published 2025-02-01“…This algorithm was designed from both local and global perspectives: to ensure fast convergence to the target solution locally, a single parameter satisfying the randomness strategy was used to initialize the population, making it widely dispersed in the solution space; adopting a multi-parameter solution (or path) balanced selection strategy for selection operations, making the selected population rich and diverse; adopting a two-layer crossover strategy for crossover operations, with the aim of expanding the breadth of global search; adopting a multi parameter random single point mutation strategy for mutation operations, with the aim of deepening local search capabilities. …”
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534
Potentiodynamic polarization analysis with various corrosion inhibitors on A508/IN-182/IN-52M/308L/316L welds
Published 2024-04-01“…Additionally, Inconel 52M served as an overlay layer, and material 308 acted as a buffer layer to facilitate bonding between 316L and the overlay welding layer. …”
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535
BHGNN-RT: Capturing bidirectionality and network heterogeneity in graphs.
Published 2025-01-01“…Additional analyses confirm that optimizing message components, model layer and teleportation proportion further enhances the model performance. …”
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536
Medical Specialty Classification Using Large Language Models (LLMs)
Published 2025-05-01“…Machine Learning approaches, such as Random Forest and Multi-Layer Perceptron, also exhibited strong performance, whereas BERT-based models achieved lower accuracy, around 63%. …”
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537
Interlayer interactions in La_{3}Ni_{2}O_{7} under pressure: From s^{±} to d_{xy}-wave superconductivity
Published 2025-07-01“…We investigate the role of interlayer interaction terms in the competition between different superconducting gap symmetries in the bilayer nickelate La_{3}Ni_{2}O_{7} under high pressure. We study a two-layer, two-orbital electron model that encompasses both intra- and interlayer Coulomb interaction terms within the matrix random-phase approximation. …”
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538
Self-Organization-Based Fabrication of Stable Noble-Metal Nanostructures on Large-Area Dielectric Substrates
Published 2013-01-01“…A cost-effective fabrication of random noble-metal nanostructures with a feature size of the order of 10 nm on a large-area dielectric substrate is described. …”
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539
Navigating cognitive boundaries: the impact of CognifyNet AI-powered educational analytics on student improvement
Published 2025-06-01“…The model integrates random forest decision-making with multi-layer perceptron feature learning, incorporating sentiment analysis and advanced data processing pipelines to generate personalized learning trajectories while maintaining model transparency. …”
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540
An improved extreme learning machine algorithm for prospectivity mapping of copper deposits using multi-source remote sensing data: a case study in the North Altyn Tagh, Xinjiang,...
Published 2025-08-01“…Traditional extreme learning machine (ELM) model suffers from instability due to random initialization of input weights and hidden-layer bias, often resulting in suboptimal predictive performance. …”
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