ALS算法应用场景
https://www.jianshu.com/p/740cb3a103df
PySpark笔记(二):RDD
https://www.jianshu.com/p/321034864bdb
ALS算法描述:ALS算法应用场景
http://www.cnblogs.com/earendil/p/8871711.html
https://blog.csdn.net/L_15156024189/article/details/81712519
https://www.sogou.com/link?url=hedJjaC291OB0PrGj_c3jKddfY04EMxKQyaVII4qJB8m3Pojx-sH_NTDXL9FFpUw75Yt2XZrFAM.