Elasticsearch · Relevance · Search

Tuning Relevance in Elasticsearch with Custom Boosting

Elasticsearch offers different options out of the box in terms of ranking function (similarity function, in Lucene terminology). The default ranking function is a variation of TF-IDF, relatively simple to understand and, thanks to some smart normalisations, also quite effective in practice. Each use case is a different story so sometimes the default ranking function… Continue reading Tuning Relevance in Elasticsearch with Custom Boosting