Working with the IK Analysis plugin

The IK Analysis plugin belongs to the community contributed plugin category. It is an open source project (https://github.com/medcl/elasticsearch-analysis-ik) that provides a lightweight Chinese word segmentation toolkit based on the Java language. It integrates the Lucene IK Analyzer into Elasticsearch and supports a customized dictionary. It works with English and Chinese and is also compatible with Korean and Japanese characters. It supports hot swapping to update dictionary contents without the need to restart the Elasticsearch server. This plugin provides two types of analysis: fine-grained and coarse-grained. Fine-grained analysis includes the ik_max_word analyzer and the ik_max_word tokenizer. They will generate more tokens and they are suitable for the term query. Coarse-grained analysis includes the ik_smart analyzer and the ik_smart...