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MmrReranker

engine::advanced_search

Struct MmrReranker 

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pub struct MmrReranker { /* private fields */ }
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MMR (Maximal Marginal Relevance) reranker for diversity

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impl MmrReranker

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pub fn new(lambda: f32) -> Self

Create a new MMR reranker

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pub fn rerank( &self, candidates: &[(VectorId, f32, Vec<f32>)], top_k: usize, ) -> Vec<AdvancedSearchResult>

Rerank results using MMR for diversity

MMR = λ * Sim(d, q) - (1 - λ) * max(Sim(d, d_j)) where d_j are already selected documents

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