Recommendation Systems with PyTorch
Recommendation systems are everywhere, like Netflix and YouTube, which recommend what to watch; Spotify, which recommends what to listen to; LinkedIn, which suggests jobs; and Amazon, which recommends which products to buy.
Figure 18.1: Examples of different recommendation systems. Starting from top to bottom, followed by left to right – Netflix, Spotify, LinkedIn, YouTube, and Amazon
A recommendation system is an algorithm that provides personalized suggestions to users. The main goal is to predict what product(s) a user may be interested in, based on their preferences, behaviors, similarity with existing users, and interactions with the system. Most of today’s recommendation systems are powered by an underlying deep learning model. Such models predict if a user will like a product (a movie, a book, a podcast, a person on the web, etc.) based on the existing consumption patterns of this and the other users in the system...