In this article, you will learn how to combine BM25 relevance with real business metrics like profit margin and popularity using Elasticsearch’s function_score query. This step-by-step guide shows how to control scaling with logarithmic boosts and allows full explainability for each ranking calculation.
In this article, you will learn how to combine BM25 relevance with real business metrics like profit margin and popularity using Elasticsearch’s function_score query. This step-by-step guide shows how to control scaling with logarithmic boosts and allows full explainability for each ranking calculation.