Showing 961 - 980 results of 2,643 for search '"sparsity"', query time: 0.08s Refine Results
  1. 961

    Sparse nested Markov models with log-linear parameters by Shpitser, I, Evans, R, Richardson, T, Robins, J

    Published 2013
    “…Placing such limits is similar in spirit to sparsity methods for undirected graphical models, and regression models. …”
    Conference item
  2. 962

    An efficient and accurate decomposition of the Fermi operator. by Ceriotti, M, Kühne, T, Parrinello, M

    Published 2008
    “…It lends itself naturally to linear scaling as soon as the sparsity of the system's density matrix is exploited. …”
    Journal article
  3. 963

    COSMO: A conic operator splitting method for convex conic problems by Garstka, M, Cannon, M, Goulart, P

    Published 2021
    “…Moreover, the solver uses chordal decomposition techniques and a new clique merging algorithm to effectively exploit sparsity in large, structured semidefinite programs. …”
    Journal article
  4. 964

    On Sparse‚ Spectral and Other Parameterizations of Binary Probabilistic Models by Buchman, D, Schmidt, M, Mohamed, S, Poole, D, de Freitas, N

    Published 2012
    “…We show that the spectral parameterization, along with the canonical, has the best performance and sparsity levels, while the spectral does not depend on any particular reference state. …”
    Journal article
  5. 965

    <italic>I</italic><sub><italic>ϵ</italic>+</sub>LGEA: A Learning-Guided Evolutionary Algorithm Based on <italic>I</italic><sub><italic>ϵ</italic>+</sub> Indicator for Portfolio Opt... by Feng Wang, Zilu Huang, Shuwen Wang

    Published 2023-09-01
    “…The new model has practical constraints which involve the sparsity and irregularity of variables and make it challenging to be solved by traditional Multi-Objective Evolutionary Algorithms (MOEAs). …”
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    Article
  6. 966

    A Sparse Denoising-Based Super-Resolution Method for Scanning Radar Imaging by Qiping Zhang, Yin Zhang, Yongchao Zhang, Yulin Huang, Jianyu Yang

    Published 2021-07-01
    “…However, for some targets with typical shapes, the strong sparsity of the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>L</mi><mn>1</mn></msub></semantics></math></inline-formula> norm treats them as strong-point targets, resulting in the loss of shape characteristics. …”
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    Article
  7. 967

    Sparse Macro-track Transport Acceleration Method for 3-D Pebble-bed Geometry by GUO Jian1, GUO Jiong2, LI Fu2, YAN Rui1, ZOU Yang1

    Published 2024-03-01
    “…Excellent speedup ratio can be obtained by setting the sparsity to 3-5, the macro-track length to around 2.0 cm, the acceleration iteration steps limit to 20-60. …”
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    Article
  8. 968

    Performance Analysis of Sparse Matrix-Vector Multiplication (SpMV) on Graphics Processing Units (GPUs) by Sarah AlAhmadi, Thaha Mohammed, Aiiad Albeshri, Iyad Katib, Rashid Mehmood

    Published 2020-10-01
    “…No single SpMV storage or computation scheme provides consistent and sufficiently high performance for all matrices due to their varying sparsity patterns. An extensive literature review reveals that the performance of SpMV techniques on GPUs has not been studied in sufficient detail. …”
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    Article
  9. 969

    On the Relationship Between Universal Adversarial Attacks and Sparse Representations by Dana Weitzner, Raja Giryes

    Published 2023-01-01
    “…In this article, we aim at explaining this vulnerability through the framework of sparsity. We show the connection between adversarial attacks and sparse representations, with a focus on explaining the universality and transferability of adversarial examples in neural networks. …”
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    Article
  10. 970

    Anomaly Detection in Multichannel Data Using Sparse Representation in RADWT Frames by Daniela De Canditiis, Italia De Feis

    Published 2021-06-01
    “…Then we perform AD imposing a double penalty on the multiple regression model we obtained, promoting group sparsity both on the regression coefficients and on the anomalies. …”
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    Article
  11. 971

    Sparse Damage Detection with Complex Group Lasso and Adaptive Complex Group Lasso by Vasileios Dimopoulos, Wim Desmet, Elke Deckers

    Published 2022-04-01
    “…Sparsity-based methods have recently come to the foreground of damage detection applications posing a robust and efficient alternative for traditional approaches. …”
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    Article
  12. 972

    A New Framework for the Harmonic Balance Method in OpenFOAM by Stefano Oliani, Nicola Casari, Mauro Carnevale

    Published 2022-04-01
    “…The Harmonic Balance Method is one of the most commonly employed Reduced Order Models for turbomachinery calculations, since it leverages the signal sparsity in the frequency domain to cast the transient equations into a coupled set of steady-state ones. …”
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    Article
  13. 973

    Finite-rate sparse quantum codes aplenty by Maxime Tremblay, Guillaume Duclos-Cianci, Stefanos Kourtis

    Published 2023-04-01
    “…This framework allows us to enforce stabilizer commutation, $X/Z$ balancing, finite rate, sparsity, and maximum-degree constraints simultaneously in a CSP that we can then solve numerically. …”
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    Article
  14. 974

    A Matlab Toolbox for Extended Dynamic Mode Decomposition Based on Orthogonal Polynomials and p-q Quasi-Norm Order Reduction by Camilo Garcia-Tenorio, Alain Vande Wouwer

    Published 2022-10-01
    “…An important question at this stage is the selection of basis functions to construct the observable functions, which in turn is determinant of the sparsity and efficiency of the approximation. In this study, attention is focused on orthogonal polynomial expansions and an order-reduction procedure called p-q quasi-norm reduction. …”
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    Article
  15. 975

    Less is More: Mitigate Spurious Correlations for Open-Domain Dialogue Response Generation Models by Causal Discovery by Tao Feng, Lizhen Qu, Gholamreza Haffari

    Published 2023-05-01
    “…The classifier is trained by a constrained self-training method, coined ConSTrain, to overcome data sparsity. The experimental results based on both human and automatic evaluation show that our method significantly outperforms the competitive baselines in terms of relevance, informativeness, and fluency.…”
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    Article
  16. 976

    G2S3: A gene graph-based imputation method for single-cell RNA sequencing data. by Weimiao Wu, Yunqing Liu, Qile Dai, Xiting Yan, Zuoheng Wang

    Published 2021-05-01
    “…However, prevalent dropout events result in high data sparsity and noise that may obscure downstream analyses in single-cell transcriptomic studies. …”
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    Article
  17. 977

    A New Hybrid Collaborative Recommender Using Semantic Web Technology and Demographic data by Faezeh Sadat Gohari, Mohammad Jafar Tarokh

    Published 2016-06-01
    “…Regardless of its success in many application domains, CF has main limitations such as sparsity, scalability and new user/item problems. As new direction, semantic-based recommenders have emerged that deal with the semantic information of items. …”
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    Article
  18. 978

    Resource Allocation for Network Slicing in RAN Using Case-Based Reasoning by Dandan Yan, Xu Yang, Laurie Cuthbert

    Published 2022-12-01
    “…In the matching process, the k-nearest neighbors (KNN) algorithm is used to retrieve similar cases, the nearest <i>k</i> neighbors being determined by considering sparsity reduction and locality-preserving projections. …”
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    Article
  19. 979

    A Real-Time Fuzzy Load Flow and Contingency Analysis Based on Gaussian Distribution System by Hassan Abdullah Kubba, Yasser Falah Hassan

    Published 2015-08-01
    “…The FLF method using Gaussian membership function requires less number of iterations and less computing time than that required in the FLF method using triangular membership function. Using sparsity technique for the input Ybus sparse matrix data gives reduction in overall computation time and storage requirements. …”
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    Article
  20. 980

    Pragmatic Micrometre to Millimetre Calibration Using Multiple Methods for Low-Coherence Interferometer in Embedded Metrology Applications by Tom Hovell, Jon Petzing, Laura Justham, Peter Kinnell

    Published 2021-07-01
    “…Additionally, the impact of dataset sparsity is shown along with the effect of using a singular calibration dataset for system performance when operating across different media.…”
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    Article