It feels good to be a data geek in 2017.
Last year, we asked “
Is Big Data Still a Thing?
”, o...
"Big Data: Firing on All Cylinders" - See Original Post
This table shows all of the companies includ...
Something I recently became interested in is map data structures for external memory — i.e. ways of ...
Lucene是一个高性能的java全文检索工具包，它使用的是倒排文件索引结构。该结构及相应的生成算法如下：
0）设有两篇文章1和2
文章1的内容为：Tom lives in Guangzhou,I l...
常用的图像特征有颜色特征、纹理特征、形状特征、空间关系特征。
一 颜色特征
（一）特点：颜色特征是一种全局特征,描 述了图像或图像区域所对应的景物的表面性质。一般颜色特征是基于像素点的特征，此时所有属...