Elasticsearch is very powerful for non-structured text classification. In a recent use case for an important international Consulting Company, we had to exploit non-structured documents to allow our client to exploit his internal data, be able to analyse and find similar content, based on a tag classification.  That’s typically a case where Elasticsearch can look magic. In just a few days, based on the core functionality of Elasticsearch and Kibana, we were able to auto-classify all the documents of the…