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Query Rewriting Before Retrieval: The Cheap Recall Win Most Skip
Most RAG pipelines embed the user's raw query and skip the cheapest recall win there is: rewriting it before search.
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Metadata Filtering Before Vector Search: The Recall Win Nobody Measures
Pre-filter by metadata to shrink the search space before the vector index runs. The recall lift, the cardinality trap, and the code.
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Query Rewriting Before Retrieval: The Cheap Recall Win Most Skip
Most RAG pipelines embed the user's raw query and skip the cheapest recall win there is: rewriting it before search.
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Context Compression Before the LLM: Cutting Tokens Without Cutting Recall
Extractive vs abstractive compression of retrieved chunks. Sentence-level filtering. How to cut tokens without losing the answer.
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RAG Rerank: the Highest-Leverage Upgrade to Your Retrieval Pipeline
If your RAG app sometimes answers from the wrong document even though the right one was in your...