A complete business intelligence platform that includes reporting, analysis (OLAP), dashboards, data mining and data integration (ETL). Use it as a full suite or as individual components that are accessible via web services. Ranked #1 in open source

数据挖掘著名学者韩家炜教授的数据挖掘软件，可以进行联机分析处理OLAP和简单的数据挖掘。,Data Mining renowned scholar Professor Han Jiawei' s data mining software can be on-line analytical processing OLAP and Data Mining simple.

头压缩算法是一种常用的稀疏数组压缩算法，在数据联机分析处理（OLAP）等领域有着重要 应用。针对头压缩算法的特点，给出基于STL 的实现方法，并对解压算法进行改进。仿真实验表明，改进 后的解压算法的计算效率要优于原有解压算法-Head-compress algorithm was a commonly used algorithm for compressing sparse array, which was widely applied in OLAP(Online Analyti