推荐系统相关demo的实现，工程代码

包含教育大数据方向顶会和数据挖掘顶会以及教育类会议顶会优秀论文，顶会期刊包括多篇：Educational Advances in Artificial Intelligence Symposium Full Papers；Educational Advances in Artificial Intelligence Symposium Poster Papers；Educational Advances in Artificial Intelligence Symposium Model AI Assignments。