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rankTfIdf and rankBm25 (configurable k1/b) over the candidate set, float scores with deterministic DocId tiebreak; topNTfIdf/topNBm25. df/idf derived from posting-list length. Tests cover tf/idf behavior, a BM25-vs-TF-IDF flip from length-norm + tf-saturation, the b-parameter effect, tiebreak stability. 101/101. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
20 lines
617 B
Plaintext
20 lines
617 B
Plaintext
;; search public API — assembles the canonical Haskell source from all layers.
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;; Tests and callers concatenate `search/src` with their own top-level bindings
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;; (e.g. "result = lookupTerm \"cat\" idx\n") and evaluate via the haskell-on-sx
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;; interpreter. Public Haskell entry points: indexDoc, lookupTerm, deleteDoc,
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;; docFreq, allTerms, tokens, positioned, evalQuery, parseQuery, searchQuery,
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;; rankTfIdf, rankBm25, topNTfIdf, topNBm25.
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(define
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search/src
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(str
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search/tokenize-src
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"\n"
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search/index-src
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"\n"
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search/query-src
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"\n"
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search/parse-src
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"\n"
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search/rank-src))
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