http://www.imply.io
==案例5==
===Algorhyme===
位图索引PLWAH算法作者，加速DB性能，以Oracle module形式提供服务。
研究论文：
Deliège, François, and Torben Bach Pedersen. "Position list word aligned hybrid: optimizing space and performance for compressed bitmaps." Proceedings of the 13th international conference on Extending Database Technology. ACM, 2010.
网址：
https://www.algorhyme.com
=阅读书目=