Glossary term
Glossary term
Memory and Retrieval
Second-stage ranking of retrieved results to improve relevance before generation.
Cohere Rerank is deployed by Thomson Reuters in Westlaw AI to re-score the top-100 retrieved case-law documents before feeding the top-5 to a generation model, improving answer accuracy by 31%.
Jina AI Reranker v2 is used by an e-commerce platform to re-rank product search results after initial vector retrieval, using a cross-encoder to score query-document relevance and boost conversion rate.
LlamaIndex integrates with Flashrank (open-source reranker) in a customer support agent's retrieval pipeline - re-ranking retrieved FAQ chunks so the most precisely relevant answer appears first.