AWS – Amazon Elasticsearch Service now supports Learning to Rank to improve search relevancy ranking

Amazon Elasticsearch Service now supports the open source Learning to Rank plugin that lets you use machine learning technologies to improve the ranking of the top results returned from a baseline relevance query. With Learning to Rank (LTR) support, you can tune the search relevancy and re-rank your Elasticsearch query search results in information retrieval, personalization, sentiment analysis and recommendation systems.  

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