An online marketplace for handmade and vintage goods with over 30 million diverse listings, the problem of capturing the taste is particularly important - users come to the site specifically to find items that match their eclectic styles.

The mini recommendation system.

The feature engineering and algorithmic logic of offline personalized recommendation system.

The algorithmic logic of online personalized recommendation system.

基于简单的中文分词匹配法做了扩展，中文分词算法提供了一个C版本的mmseg供研究使用。