Module rerank 

Score fusion and reranking strategies.

Structs

CompositeReranker

Apply multiple rerankers in sequence.

CrossEncoderReranker

Placeholder cross-encoder reranker with a future gRPC hook.

DiversityReranker

Diversity-promoting reranker based on maximal marginal relevance.

RecencyReranker

Recency-based reranker.

Traits

Reranker

Post-retrieval reranker interface.

Functions

apply_reranker_config

Apply a configured reranker chain to search results.

mmr_select

Select a diverse subset of candidates using maximal marginal relevance.

reranker_needs_vectors

Return true when a configured reranker requires access to raw vectors.