Hyperparameter Optimization for Machine Learning Models Based on Bayesian Optimizationb
March 2019
Hyperparameters are important for machine learning algorithms since they directly control the behaviors of training algorithms and have a significant effect on the performance of machine learning models....
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Knowledge graph and knowledge reasoning: A systematic review
June 2022
The knowledge graph (KG) that represents structural relations among entities has become an increasingly important research field for knowledge-driven artificial intelligence. In this survey, a comprehensive...
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Impact of coronavirus pandemic crisis on technologies and cloud computing applications
March 2021
In light of the COVID-19 outbreak caused by the novel coronavirus, companies and institutions have instructed their employees to work from home as a precautionary measure to reduce the risk of contagion....
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Perovskite single crystals: Synthesis, properties, and applications
June 2021
Perovskite single crystals have gained enormous attention in recent years due to their facile synthesis and excellent optoelectronic properties including the long carrier diffusion length, high carrier...
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Progress and prospects of hydrogen production: Opportunities and challenges
June 2021
This study presents an overview of the current status of hydrogen production in relation to the global requirement for energy and resources. Subsequently, it symmetrically outlines the advantages and...
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IoT-solar energy powered smart farm irrigation system
December 2019
As the Internet of things (IoT) technology is evolving, distributed solar energy resources can be operated, monitored, and controlled remotely. The design of an IoT based solar energy system for smart...
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Big data challenge for monitoring quality in higher education institutions using business intelligence dashboards
March 2024
As big data becomes an apparent challenge to handle when building a business intelligence (BI) system, there is a motivation to handle this challenging issue in higher education institutions (HEIs)....
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Review on dynamic bandwidth allocation of GPON and EPON
December 2020
The passive optical network (PON) technology has been drastically improved in recent years. In spite of using the optical technology, the utilization of the entire bandwidth is a very challenging task....
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Coherent optical frequency combs: From principles to applications
June 2022
A coherent optical frequency comb is a kind of broad-spectrum light sources delivering equidistant frequencies, and correspondingly its temporal waveform appears as a sequence of ultrashort pulses....
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Developing microwave-induced thermoacoustic tomography: System, application, and reconstruction
December 2023
A microwave-induced thermoacoustic imaging (MITAT) system is a non-destructive physical medical imaging method that combines the advantages of the high contrast of microwave imaging and the high resolution...
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Recent advances of bismuth oxychloride photocatalytic material: Property, preparation and performance enhancement
June 2020
Due to its unique layered structure, bismuth oxychloride (BiOCl) has potential applications as a photocatalytic material in clean energy utilization and environmental purification. In recent years,...
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Blockchain energy: Blockchain in future energy systems
December 2019
The ongoing, in-depth transformation of the electricity sector towards increased use of alternative, renewable energy sources extends beyond a simple decentralisation drive in the electricity market....
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Quantum Cryptography for Internet of Things Securitya
September 2019
Internet of things (IoT) is a developing technology with a lot of scope in the future. It can ease various different tasks for us. On one hand, IoT is useful for us, on the other hand, it has many serious...
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Evaluation of a software positioning tool to support SMEs in adoption of big data analytics
March 2024
Big data analytics has been widely adopted by large companies to achieve measurable benefits including increased profitability, customer demand forecasting, cheaper development of products, and improved...
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High capacity data rate system: Review of visible light communications technology
September 2020
Wireless communications have become an integral part of global convergence as global connectedness has gradually become dependent on its efficient deployment. The need for “more-broadband” techniques...
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FPGA-based acceleration for binary neural networks in edge computing
June 2023
As a core component in intelligent edge computing, deep neural networks (DNNs) will increasingly play a critically important role in addressing the intelligence-related issues in the industry domain,...
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Compressive near-field millimeter wave imaging algorithm based on gini index and total variation mixed regularization
March 2023
A compressive near-field millimeter wave (MMW) imaging algorithm is proposed. From the compressed sensing (CS) theory, the compressive near-field MMW imaging process can be considered to reconstruct...
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Characteristics of sub-synchronous oscillation in grid-connected wind farm system
December 2023
With the rapid development of wind power, wind turbines are accompanied by a large quantity of power electronic converters connected to the grid, causing changes in the characteristics of the power...
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Computationally efficient MUSIC based DOA estimation algorithm for FMCW radar
March 2023
This paper proposes low-cost yet high-accuracy direction of arrival (DOA) estimation for the automotive frequency-modulated continuous-wave (FMCW) radar. The existing subspace-based DOA estimation algorithms...
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Review of roll-to-roll fabrication techniques for colloidal quantum dot solar cells
March 2023
Colloidal quantum dots (CQDs) are of great interest for photovoltaic (PV) technologies as they possess the benefits of solution-processability, size-tunability, and roll-to-roll manufacturability, as...
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Low working loss Si/4H–SiC heterojunction MOSFET with analysis of the gate-controlled tunneling effect
December 2023
A silicon (Si)/silicon carbide (4H–SiC) heterojunction double-trench metal-oxide-semiconductor field effect transistor (MOSFET) (HDT-MOS) with the gate-controlled tunneling effect is proposed for the...
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Life-cycle assessment of batteries for peak demand reduction
December 2023
At present, a life-cycle assessment of energy storage systems (ESSs) is not widely available in the literature. Such an assessment is increasingly vital nowadays as ESS is recognized as one of the important...
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Algorithms for automatic measurement of SIS-type hysteretic underdamped Josephson junction's parameters by current-voltage characteristics
December 2023
Some electrical parameters of the SIS-type hysteretic underdamped Josephson junction (JJ) can be measured by its current-voltage characteristics (IVCs). Currents and voltages at JJ are commensurate...
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Redox memristors with volatile threshold switching behavior for neuromorphic computing
December 2022
The spiking neural network (SNN), closely inspired by the human brain, is one of the most powerful platforms to enable highly efficient, low cost, and robust neuromorphic computations in hardware using...
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Recent progress in chiral absorptive metamaterials
September 2021
Chiral metamaterial absorbers (CMMAs), a particular class of chiral metamaterials that refuse the transmission of incident radiation and exhibit different optical responses upon interactions with left...
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