4.0.0 org.eclipse.rdf4j rdf4j-sail 4.2.2-SNAPSHOT rdf4j-sail-elasticsearch RDF4J: Elastic Search Sail Index StackableSail implementation offering full-text search on literals, based on Elastic Search. ${project.groupId} rdf4j-sail-lucene-api ${project.version} org.elasticsearch.client transport ${elasticsearch.version} true log4j log4j commons-logging commons-logging