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 - [Guide to Elasticsearch in Java](https://www.baeldung.com/elasticsearch-java)
 - [Geospatial Support in ElasticSearch](https://www.baeldung.com/elasticsearch-geo-spatial)
 - [A Simple Tagging Implementation with Elasticsearch](https://www.baeldung.com/elasticsearch-tagging)
+- [What Is Elasticsearch?](https://www.baeldung.com/java-elasticsearch)

 ### Build the Project with Tests Running
 ```