System Design · Snapchat · Hard
Requirements Create a recommender for short clips, AR lenses, or a TikTok-style content stream. High-level architecture for a TikTok-style recommender system. Functional requirements: Provide every user with an individualized stream containing newly available short videos or lenses. Reflect immediate preferences using recent viewing, skipping, liking, sharing, hiding, and following behavior. Enable retrieval and ranking even though text metadata exists for just a small…
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