sparsity
英
美
网络 稀疏度; 稀少; 稀疏性; 稀疏问题; 稀疏
BNC.45121 / COCA.45310
英英释义
noun
- the property of being scanty or scattered
双语例句
- Effective hybrid collaborative filtering algorithm for alleviating data sparsity This property is read-only once the data source is bound.
一种有效缓解数据稀疏性的混合协同过滤算法如果数据源为结合型，则该属性是只读的。 - However, the dependency of neighborhood coefficients is also a prior to accelerate the convergence of reconstruction algorithm besides the sparsity.
除了稀疏性之外，邻域系数的相关性也可以作为先验知识加速重构算法收敛。 - It is hard to cluster high-dimensional data using traditional clustering algorithm because of the sparsity of data.
在高维空间中，由于数据的稀疏性，传统的聚类方法难以有效地聚类高维数据。 - Thirdly, the application of these sparsity properties to SAR image feature-enhancement was investigated.
然后，分析了稀疏约束在SAR图像分辨率增强中的应用方法。 - Based on it, the incompletely sparsity problem is also put forward.
并在此基础上，提出了非完全稀疏性的问题。 - In this paper, investigate the nonlinear inverse problem of sparsity constraint regularization.
本文研究了非线性反问题的稀疏约束正则化方法。 - This is not only because of the sparsity of the fringed.
这不仅是由于条纹稀疏。 - However, with the increasing of system users and the number of goods, Collaborative filtering also faces severe challenges such as sparsity problem, accuracy problem and so on.
但随着电子商务系统用户和商品数量的增加，协同过滤也面临着稀疏性、精确性等问题的考验。 - Research of Sparsity and Cold Start Problem in Collaborative Filtering
协同过滤系统的稀疏性与冷启动问题研究 - The sparsity of SAR image data was discussed based on the backscattering properties of targets in the image.
利用合成孔径雷达（SAR）图像中目标的后向散射特性和目标散射中心的理论，分析了SAR图像数据稀疏性的成因。