Big Data Analytics at Netflix

Netflix services fall under the subscription video-on-demand (SVOD) services category as a so called over-the-top (OTT) provider, which streams content over the web directly to its customers’ devices (Iordache et al., 2021; Pajkovic, 2021). Netflix’s revenue is mainly generated by users’ subscription fees (Kasula, 2020), and to keep customers from cancelling their access, the company relies heavily on the Netflix Recommender System (NRS) which combines big data analytics with powerful machine learning (ML) algorithms (Jackman & Reddy, 2020; Pajkovic, 2021) to keep users engaged and satisfied with the service. The aim of the NRS is to offer a personalized experience and provide viewing recommendations to each customer (Pajkovic, 2021) based on preferences generated by their rating history (rating the titles they watch), Netflix’s requests for feedback, a “similarity” approach across subscribers, movies, genres, etc. (Kasula, 2020). The NRS is driven by powerful machine l...