Package sk.iway.iwcm.rag.search

Class RerankerService

java.lang.Object

sk.iway.iwcm.rag.search.RerankerService

@Service
public class RerankerService
extends Object

Refines retrieval order using local word, phrase, and heading matches without model calls.

Constructor Summary

Constructors

Constructor	Description
RerankerService()

Method Summary

Modifier and Type	Method	Description
List<VectorSearchResult>	rerank(String query, List<VectorSearchResult> chunks)	Combines retrieval score with configured lexical relevance, defaulting to an 85/15 ratio.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

RerankerService

public RerankerService()

Method Details

rerank

public List<VectorSearchResult> rerank(String query,
 List<VectorSearchResult> chunks)

Combines retrieval score with configured lexical relevance, defaulting to an 85/15 ratio. Retains all authorized candidates, updates their rerank scores in place, and reads the weight on every call. Original similarity remains available for filtering. Equal scores retain retrieval order.

Parameters:

query - original user question

chunks - authorized retrieval candidates

Returns:

locally ranked chunks without changing their text or original similarity