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

• The sparsity of the edges is considered in the regularization model.
  为该正则化模型引入了边缘稀疏约束，并研究了求解方法。
• The experimental results show that the optimized algorithm can increase prediction precision, by way of reducing sparsity and cold-start problems, and realizing real-time recommendation effectively.
  实验表明，该算法通过有效降低稀疏性、冷开始和实现实时推荐，提高了预测精度。
• The sparsity and the problem of the curse of dimensionality of high-dimensional data, make the most of traditional clustering algorithms lose their action in high-dimensional space.
  高维数据的稀疏性和“维灾”问题使得多数传统聚类算法失去作用，因此研究高维数据集的聚类算法己成为当前的一个热点。
• 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。
• 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）。
• Using the sparsity of the scene, pixels above the threshold are mapped to a triple before entropy encoding for both grayscales and locations.
  利用场景的稀疏性，将阈值以上的像素映射到三元组，对其灰度和位置信息分别熵编码；
• 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。
• 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。
• 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
• 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