Powered by AI: Instagram’s Explore recommender system

This post was originally published on the Facebook AI blog.

Over half of the Instagram community visits Instagram Explore every month to discover new photos, videos, and Stories relevant to their interests. Recommending the most relevant content out of billions of options in real time at scale introduces multiple machine learning (ML) challenges that require novel engineering solutions.

We tackled these challenges by creating a series of custom query languages, lightweight modeling techniques, and tools enabling…

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