Speak the Caller's Language: semantic search vs keyword search for 911 dispatch

MIS 752 Lab 5. sentence-transformers/all-MiniLM-L6-v2 over a 60-sentence 911 dispatch corpus written in two voices (caller and calltaker) across 3 topics. data/ holds the corpus, the full 60x60 similarity matrix, the raw embeddings (.npy), the per-query retrieval evaluation and the metric summary.

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