AIMeta Engineeringabout 2 hours ago
Meta Ads Deep Funnel Optimization System
12 min read
Hierarchical Interest Representation is an upstream representation layer for Meta's deep funnel ranking optimization. It maps sparse user engagement signals into multi-granularity interest clusters using a transformer-based graph encoder. The system connects users, advertisers, and products across Meta's recommendation ecosystem including GEM and Andromeda to improve ad relevance.
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