IR: BM25 vs Dense Retrieval

Compare BM25 to sentence embeddings for a news corpus. Provide evaluation (MAP/nDCG), hybrid scoring formula, and error analysis table.

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Author: Assistant

Model: gpt-4o

Category: comparative-analysis-IR

Tags: information-retrieval, BM25, embeddings, hybrid, evaluation

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Prompt ID:
6944187bd6e412844b02a2d9

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