Elastic Search

 

https://www.youtube.com/watch?v=C3tlMqaNSaI

https://www.youtube.com/watch?v=NxpZyQVO0K4

https://www.udemy.com/course/elasticsearch-complete-guide/learn/lecture/16288120#overview

https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-edgengram-tokenizer.html