Module score 

Scoring algorithms and query types for document relevance ranking. Scoring algorithms and query types for document relevance ranking.

This module provides BM25 variants, similarity metrics, and the Scorer / Query types used to rank Document results.

Modules

bm25

BM25F multi-field relevance scoring implementation.

bm25_additional

Additional BM25 variants: Okapi BM25, BM25+, TF-IDF, Jaccard, and QueryRatio scorers.

common

Common scoring traits and utilities shared across scorer implementations.

names

Query scorer selector enum mapping scorer names to implementations.

Structs

BM25FScorer

BM25F scorer implementation

BM25PlusScorer

BM25+ scorer implementation

JaccardScorer

Jaccard similarity scorer implementation

OkapiBM25Scorer

Okapi BM25 scorer implementation

Query

Search query carrying the term, scoring algorithm, similarity metric, and result size.

QueryRatioScorer

QueryRatio scorer implementation

Scored

Any value associated with a score.

Scorer

Configurable document scorer combining a similarity metric with an optional BM25 variant.

SearchResults

A collection of scored values, sorted in descending order by score.

TFIDFScorer

TFIDF scorer implementation

Enums

QueryScorer

The type of scorer that the name index should use.

ScoreError

Error type returned when document scoring fails.

Similarity

String similarity algorithm applied to title comparisons.

Functions

sort_documents

Sorts documents by relevance to query using the scorer specified in the query.