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search-systems.

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Facebook's Hybrid Search: When Keywords Meet Neural Embeddings

Meta rebuilt Facebook Groups search by merging traditional keyword matching with dense vector embeddings, then used Llama 3 to validate the results at scale.

Facebook's Hybrid Search: When Keyword Matching Meets Neural Understanding

Meta rebuilt Facebook Groups search by blending traditional inverted indices with dense embeddings, then used Llama 3 to grade results at scale.
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