Large-scale Recommendation System In Production

Angelina Yang
4 min readAug 27, 2022

Recommendation systems are critical to the success of today’s online commercial platforms.

On some of the largest commercial platforms, recommendations account for as much as 30% of the revenue. A 1% improvement in the quality of recommendations can translate into billions of dollars in revenue.

I’ve tried the more traditional content-based and collaborative filtering based recommendation systems. There are also models based on deep NN networks using RNN, CNN or the attention mechanisms. Large scale recommendation systems…