: examplehttp://www.semanticweb.org/yangtze_river/ontologies/2021/3/ Create a prefix for http://www.semanticweb.org/yangtze_river/ontologies/2021/3/ Hit Enter to save Double click to create a prefix | owl:Ontology |
: examplehttp://www.semanticweb.org/yangtze_river/ontologies/2021/3/ Create a prefix for http://www.semanticweb.org/yangtze_river/ontologies/2021/3/ Hit Enter to save Double click to create a prefix | owl:Ontology |