: StandardDeviationhttp://www.semanticweb.org/yangtze_river/ontologies/2021/3/example# Create a prefix for http://www.semanticweb.org/yangtze_river/ontologies/2021/3/example# Hit Enter to save Double click to create a prefix | : StandardDeviationhttps://w3id.org/srr# Create a prefix for https://w3id.org/srr# Hit Enter to save Double click to create a prefix |