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
  Synonym:sparsenesssparenessthinness

双语例句

• Research of Data Sparsity Problem in Recommendation Systems Based on Collaborative Filtering
  基于协同过滤推荐系统的数据稀疏性问题研究
• Stylistically, the IBM/ mainframe roots of Rexx show in its case-insensitive commands; and to a lesser degree in the relative sparsity of punctuation it uses ( preferring keywords to symbols).
  在文体上，Rexx的IBM/mainframe根源体现在它对命令的大小写敏感；在某种次要程度上也体现在它使用标点符号相对较少（更多用关键字而不是符号）。
• 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。
• 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。
• The sparse Bayesian learning algorithm guarantees the sparsity of the weighting coefficient matrix.
  稀疏贝叶斯学习算法的应用，使得加权系数矩阵具有很好的稀疏性，保证了重建图像的质量。
• 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
• 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。
• This improved program has solved the scalability, sparsity, cold start problems in a certain extent.
  改进方案在一定程度上解决了CF推荐算法遇到的矩阵稀疏性问题、冷启动问题和可扩展性差问题。
• The fast inverse iteration algorithm and sparsity technique are also exploided to reduce the computation time and memory requirement.
  在算法上采用快速逆迭代原理并应用稀疏存贮技术有效地节约了机时和内存。