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Netflix Recommendation Algorithm Uses Narratives Threads - Afrossip
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Netflix Recommendation Algorithm Uses Narratives Threads

By Fabiola Antunes
In Culture
August 22, 2017

Netflix looks beyond genre to suggest shows to users. Netflix looks beyond genre to suggest shows to users.

The algorithm used by Netflix to make recommendations to users looks beyond the genre of previously watched shows to find links in narratives, the streaming service has said.

More than three quarters of the shows watched on the platform are discovered through the its recommendation algorithm, which makes suggestions using the narrative threads of shows the viewer has chosen before.

Some 80% of all programs viewed on Netflix are found through suggestions on the home page of the app or website and a result, one in five viewers who watched Stranger Things were new to horror when they watched the show and one in seven people who watched Black Mirror had never chosen science fiction before.

One in eight people who watched a Marvel series on the service, including Daredevil, Jessica Jones or Luke Cage, had not watched comic book content before, the streaming platform said.

Viewers who had watched stories that explore the grey areas of morality, such as House Of Cards and Bloodline and Breaking Bad and Dexter were led to Daredevil, while series with strong female leads such as Orange Is The New Black and sharp humor, such as Master Of None led viewers to Jessica Jones.

Luke Cage pulled in viewers who had previously chosen shows that exposed the dark side of society, such as Black Mirror and Narcos, as well as the horror-filled American Horror Story, while coming-of-age series such as Love and 13 Reasons Why led viewers to Iron Fist.

Netflix analyses the viewing data between 2015 and 2017 of members from more than 40 countries who had never watched content tagged ‘superhero’ before watching a Marvel series to find the most watched programs for those new to the genre.

Todd Yellin, vice president of product innovation at Netflix, said: “At Netflix we know genres are just wrappers, which is why we work hard to create algorithms that help members break these preconceived notions and make it easier for them to find stories they’ll love, even in seemingly unlikely places.

“The algorithm isn’t static, it’s constantly learning and improving. The more you watch, the better it gets.

“It was engineered out of necessity – the sheer volume of content meant we couldn’t expect members to scroll through thousands of titles, so we needed to help them find and discover content they’d love.

“The early days, we learned a lot – just because someone watches a lot of horror doesn’t mean they necessarily want solely horror.

“We look to get outside of the echo chamber so we can help people discover content outside of their usual.

He continued: “Genres are just one way to categorize a show, but they aren’t complete, which is why we also tag series and movies with thousands of additional qualifiers – from mood (goofy) to aesthetic (visually striking) to pace (slow pace) and beyond.

“This ‘tagging process’ is just one stage of the Netflix recommendation process. We also have to know about the viewer. For that we use advanced algorithms to examine the viewing habits of millions of members around the world along with their specific taste preferences and viewing histories.

“The end result is how we present the catalogue uniquely to each member, bubbling to the top of the experience titles that are both relevant and diverse.”


© Press Association 2017

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