Step 1: System Definition

A streaming catalog holds thousands of titles, and a TV screen shows perhaps a dozen of them before the viewer has to scroll. Netflix has described a home page of about 40 rows with up to 75 titles in each, built separately for every member. Deciding which titles fill those rows, and in what order, is the system this case study designs.

A recommendation system suggests movies and shows to each user of a streaming platform. Its purpose is to help users discover content they will enjoy, which raises engagement and satisfaction