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HyPE: Moving the RAG Question–Document Gap into Indexing

Intermediate Retrieval, memory, and production RAG

RAG Retrieval Alignment and Cost: Part 1 , Note: Sep 19, 2026 , Paper: 2025 , Retrieval Systems

A deep reading of Bridging the Question-Answer Gap in Retrieval-Augmented Generation: Hypothetical Prompt Embeddings. HyPE precomputes hypothetical questions for every chunk and turns query-to-document retrieval into question-to-question matching, with strong six-dataset results but real indexing, freshness, chunking, and single-generator boundaries.

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