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    Blockchain Knowledge and Intention to Use Blockchain-Based Services by Philjun Moon, Hyesun Chung, Jungmin Ryu, Kitae Hwang, Hayoun Moon, Woojin Park

    Published 2025-01-01
    “…The study revealed that 1) over half of the respondents rated their knowledge level as below &#x2018;neutral&#x2019; (1 to 3 points) (253 out of 400); 2) the majority of respondents showed a low level of objective knowledge (380 out of 400 scored under 50&#x0025;), especially regarding the technology&#x2019;s building blocks; 3) a moderate-to-strong monotonic relationship was observed between subjective knowledge and the intention to use blockchain-based services (r<inline-formula> <tex-math notation="LaTeX">${}_{\mathrm {s}} =0.580$ </tex-math></inline-formula>); and 4) a weak-to-moderate monotonic relationship was found between objective knowledge and the intention to use blockchain-based services (r<inline-formula> <tex-math notation="LaTeX">${}_{\mathrm {s}} =0.334$ </tex-math></inline-formula>). …”
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    Enhancing Maritime Data Integration for Platform Services With Sequence-to-Sequence Models and Statistical Refinement by Hyoseong Hwang, Richard Wong, Ducsun Lim, Jonggu Kang, Inwhee Joe

    Published 2025-01-01
    “…Our method achieved a recall of 89.14 and an <inline-formula> <tex-math notation="LaTeX">$\text {F}_{\beta }$ </tex-math></inline-formula>-Score of 87.12, which are 4.15 and 1.91 points higher, respectively, than the reference classification method.…”
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    Generalized Filter Bank Orthogonal Frequency Division Multiplexing: Low-Complexity Waveform for Ultra-Wide Bandwidth and Flexible Services by Yu Xin, Jian Hua, Tong Bao, Yaxing Hao, Ziheng Xiao, Xin Nie, Fanggang Wang

    Published 2024-11-01
    “…The main advantages are summarized as follows: (1) The <i>K</i>-point IFFT is implemented by two levels of IFFTs in smaller sizes, i.e, performing <i>M</i>-point IFFT in <i>N</i> times and performing <i>N</i>-point IFFT in <i>M</i> times, where <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>K</mi><mo>=</mo><mi>N</mi><mo>×</mo><mi>M</mi></mrow></semantics></math></inline-formula>. (2) The proposed waveform can accommodate flexible subcarrier spacings and different numbers of the subbands to provide various services in a single GFB-OFDM symbol. (3) Different bandwidths can be supported using a fixed filter since the filtering is performed on each subband. …”
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    SIR Coverage Analysis in Multi-Cell Downlink Systems With Spatially Correlated Queues by Xiaozhou Zhang, Howard H. Yang, Xiaofang Sun, Gang Zhu, Tony Q. S. Quek, Zhangdui Zhong

    Published 2020-01-01
    “…Based on a theoretical model, in which the base stations (BSs) and devices are deployed as independent Poisson point processes (PPPs), we first present the sufficient and necessary conditions of the <inline-formula> <tex-math notation="LaTeX">$\varepsilon $ </tex-math></inline-formula>-stable region for the queueing system. …”
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    Assessing the Feasibility of Persistent Scatterer Data for Operational Dam Monitoring in Germany: A Case Study by Jonas Ziemer, Jannik Jänichen, Carolin Wicker, Daniel Klöpper, Katja Last, Andre Kalia, Thomas Lege, Christiane Schmullius, Clémence Dubois

    Published 2025-03-01
    “…The results revealed a fair correlation between PS deformations and pendulum data for many PS points (up to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>R</mi><mn>2</mn></msup></semantics></math></inline-formula> = 0.7). …”
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    Differential Private POI Queries via Johnson-Lindenstrauss Transform by Mengmeng Yang, Tianqing Zhu, Bo Liu, Yang Xiang, Wanlei Zhou

    Published 2018-01-01
    “…In addition, the proposed perturbation method based on the Johnson Lindenstrauss transform satisfies the differential privacy. Two popular point of interest queries, <inline-formula> <tex-math notation="LaTeX">$k$ </tex-math></inline-formula>-NN and Range, are used to evaluate the method on two real-world data sets. …”
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    Economic Analysis of Off-Grid Energy Projects: A FINPLAN Model Approach by Benneth C. Oyinna, Kenneth E. Okedu, Gauri Kalnoor, Leo Raju, V. B. Murali Krishna, Ilhami Colak

    Published 2025-01-01
    “…Key indicators such as Net Present Value (NPV), Internal Rate of Return (IRR), Break-even Point (BEP), and Exchange Risk and Debt Service Coverage Ratio (DSCR) are evaluated to determine the project viability and sustainability. …”
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    Cooperate or Not Cooperate: Transfer Learning With Multi-Armed Bandit for Spatial Reuse in Wi-Fi by Pedro Enrique Iturria-Rivera, Marcel Chenier, Bernard Herscovici, Burak Kantarci, Melike Erol-Kantarci

    Published 2024-01-01
    “…The exponential increase in the demand for high-performance services such as streaming video and gaming by wireless devices has posed several challenges for Wireless Local Area Networks (WLANs). …”
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    Compression Damage Precursors of Silane-Protected Concrete Under Sulfate Erosion Based on Acoustic Emission Characterization by Wanmao Zhang, Dunwen Liu, Yu Tang, Yinghua Jian

    Published 2025-04-01
    “…MF-DFA revealed narrowing spectrum width (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>∆</mo><mi>α</mi></mrow></semantics></math></inline-formula>) in unprotected specimens, indicating reduced heterogeneity in AE signals, while protected specimens maintained significant multifractal divergence. …”
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    Delay Jitter Analysis for VLC Under Indoor Industrial Internet of Things Scenarios by Shiyao Chang, Shanchi Wu, Nuo Huang, Yan-Yu Zhang, Yi-Jun Zhu, Chao Wang, Chen Gong

    Published 2024-01-01
    “…Simulation results show that in the context of VLC, static users can experience an average delay jitter of up to <inline-formula><tex-math notation="LaTeX">$10^{-6}$</tex-math></inline-formula> s, while mobile users can experience an average delay jitter of up to <inline-formula><tex-math notation="LaTeX">$10^{-5}$</tex-math></inline-formula> s. …”
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    Correlation Analysis of Vertical Ground Movement and Climate Using Sentinel-1 InSAR by Francesco Pirotti, Felix Enyimah Toffah, Alberto Guarnieri

    Published 2024-11-01
    “…Because the DC and temperature are strongly co-linear, further analysis to assess which was superior in explaining the seasonality of the MPs was carried out, resulting in <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>D</mi><msub><mi>C</mi><mrow><mn>1</mn><mi>km</mi></mrow></msub></mrow></semantics></math></inline-formula> significantly explaining more variance in the SVGM than the temperature for the inversely correlated points rather than the directly correlated points. …”
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    GaoFen-3 Mission for InSAR Time Series Analysis: A Quantitative Evaluation by Yuxiao Qin, Qingjun Zhang, Wen Hong, Bing Han, Fangfang Li, Jiaxin Shen, Ke Wang, Mengge Wang

    Published 2025-01-01
    “…When compared to Sentinel-1 (S1), the root mean square error of the estimated velocity between GF-3 and S1 was 2 mm/yr. The measured point density delivered by GF-3 amounted to 7610/km<inline-formula><tex-math notation="LaTeX">$^{2}$</tex-math></inline-formula>, substantially the same as TerraSAR-X and 50% higher than the highest standard set by the European ground motion service. …”
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