Pinterest Home Feed Unified Lightweight Scoring: A Two-tower Approach

Pinterest Home Feed Unified Lightweight Scoring: A Two-tower Approach

摘要

Pinterest is a place where users (Pinners) can save and discover content from both web and mobile platforms, and where increasingly Creators can publish native content right to Pinterest. We hold billions of content (Pins) in our corpus and serve personalized recommendations that inspire Pinners to create a life they love. One of the key and most complicated surfaces for Pinterest is the home feed, where Pinners will see personalized feeds based on their engagement and interests. In this blog, we will discuss how we unify our light-weight scoring layer across the various candidate generators that power home feed recommendations.