在今天的 blog 里面，我将结合我前一阵子面试 machine learning engineering 的经验，跟大家唠唠在 ML design 里面的 feature engineering 相关的问题。 在 ML design 里面，我们可能会被问到可以使用什么样的 feature, 以及具体一些 feature 可以被怎么处理以及怎么使用在模型之中。由于我之前主要做的是推荐和广告相...

In this post, let’s discuss a little bit how to design an auction system similar to the one on eBay, where owner could list their items in the system and others could place a bid on it. User with h...

Recently, I have been working with some of my friends (Dalao) on leveraging GPT to do recommendation tasks. This gives me an opportunity to review some paper in this field. In this post, I would li...

Today, let’s discuss about how to design a system that could let customer to register webhook and send webhook requests to destination. Let’s first align on some terms that we are going to use acr...

In this post, we would introduce stream processing. Since it is a large topic, we would break it down into 2 part, and in the first part, we would focus on the component that is related to the “flo...