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An AkNN Algorithm for High-Dimensional Big Data
Published 2015-07-01“…A new variant of k nearest neighbor queries,which called as all k-nearest neighbor queries(AkNN),is a process to search the k nearest neighbors of each object in a data set.An AkNN query algorithm for high-dimensional big data on the Hadoop system was proposed.Using the banding technique and the p-stable LSH algorithm,dimensionality reduction was performed,then the data was embeded in a Z-order curve.The preprocessed data were continued to be treated on a MapReduce framework in a distributed parallel manner.Experimental results show that the proposed algorithm can efficiently handle AkNN queries for large-scale high-dimensional data.…”
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Instantaneous correlations of Shannon’s big data in nonlocal cosmos
Published 2025-01-01“…The etheric energy in Umov’s thermomechanical transport through material space changes reversibly within a limited band of hidden rest energy in accordance with Lorentz transformations. …”
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A Low-Complexity GA-WSF Algorithm for Narrow-Band DOA Estimation
Published 2018-01-01“…This paper proposes a low-complexity estimation algorithm for weighted subspace fitting (WSF) based on the Genetic Algorithm (GA) in the problem of narrow-band direction-of-arrival (DOA) finding. Among various solving techniques for DOA, WSF is one of the highest estimation accuracy algorithms. …”
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Research on theoretical ultimate value of 5G flow residence ratio based on big data
Published 2023-10-01“…., need to be considered.The resident capacity of a 5G network in the 3.5 GHz frequency band was evaluated, analyzed and calculated, and the theoretical ultimate value of the 5G traffic resident ratio based on the analysis of network and users’ big data was put forward, which explained the positive relationship between user perception and residence ratio, and provided a reference for the reasonable theoretical ultimate value of 5G traffic resident ratio.…”
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Efficacy of Bluetooth-Based Data Collection for Road Traffic Analysis and Visualization Using Big Data Analytics
Published 2023-06-01“…Increased penetration of smart phones and fitness bands in day to day use is also established through the device type of the data collected. …”
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Global Information and Structure Tensor Guided Collaborative Representation for Anomaly Detection
Published 2025-01-01“…First, the global and local information are combined into the collaborative representation to obtain a more valuable background dictionary, preventing the big targets from being missed. Second, to address the problem that anomaly targets are susceptible to interference spectra, an improved structure tensor is introduced into the band selection and detection refining. …”
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A two-stage deep learning-based hybrid model for daily wind speed forecasting
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Ultra-Short Wave Communication Squelch Algorithm Based on Deep Neural Network
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Diagnosis of COVID-19 from Chest X-Ray Images Using Wavelets-Based Depthwise Convolution Network
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Optimal downlink power allocation schemes for OFDM-NOMA-based Internet of things
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A Flexible Solution for TD-LTE Indoor Coverage Enhancement:Relay
Published 2013-05-01“…TD-LTE will be deployed on high frequency band,facing with the issue of larger propagation loss and penetration loss,which brings a big challenge to future indoor deep coverage. …”
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High-resolution Observations of an X-1.0 White-light Flare with Moving Flare Ribbons
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“Most likely you go your way and I’ll go mine”: A Rock Star’s Guide to Abandoning your Audience
Published 2004-03-01“…Elle nous permettra de confronter la réclusion du personnage de Bucky Wunderlick et la retraite de Bob Dylan dans la maison appelée « Big Pink », à West Saugerties, New York, où l’auteur- compositeur-interprète enregistre avec The Band les fameuses Basement Tapes. …”
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Deep learning and hyperspectral features for seedling stage identification of barnyard grass in paddy field
Published 2025-02-01Get full text
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Mitigation Strategy of Land Use Mix for Jobs-Housing Mismatch
Published 2025-01-01“…It utilizes mobile signaling big data, geographically weighted regression, and spatial analysis to investigate the link between land mixed-use and this mismatch. …”
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Sub-THz channel measurement and hybrid channel modeling for indoor scenarios
Published 2024-10-01“…The impulse response of the hybrid channel <inline-formula><alternatives><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M4"><mi>h</mi></math><graphic specific-use="big" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/3E43A2E2-74D9-42ed-A23B-8B826EA97A1A-M004.jpg"><?…”
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Schizophrenia recognition based on three-dimensional adaptive graph convolutional neural network
Published 2025-02-01Get full text
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