Memento applies personalized RAG-style retrieval to long user history for Meta ads models, delivering 5-10x efficiency, sub-10ms latency, and 1% CTR / 1.2% CVR lifts in production.
Accepted in IEEE Big Data 2024.https://arxiv.org/html/2411.16116v1
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Memento: Personalized RAG-Style Long-Retention Data Scaling for META Ads Recommendation
Memento applies personalized RAG-style retrieval to long user history for Meta ads models, delivering 5-10x efficiency, sub-10ms latency, and 1% CTR / 1.2% CVR lifts in production.