Classification has been added to machine learning in Elasticsearch 7.6. We'll make Elasticsearch learn the characteristics of the movies we liked and disliked, and then ask it to predict whether we’ll like or dislike a movie.

Everything you need to know about Nori, the official Elasticsearch plugin for Korean language analysis added in 6.4.

We can use multi-fields to index and search documents written in multiple languages. Now we’ll try to optimize using a language detector.

This document introduces custom plugins (language analyzers) for Korean, Japanese, and Chinese and suggests an approach to use multi-fields to index and search

How to Search Chinese, Japanese, and Korean Text with Elasticsearch 5.4.0 - Part 1: Analyzers

What kind of Text Analyzers are available for Korean and how they are different.