: HelloWorldhttps://example.org/ Create a prefix for https://example.org/ Hit Enter to save Double click to create a prefix | owl:Class | : testhttps://api.triplydb.com/microdustx/test-dataset/graphs/hello/world/ Create a prefix for https://api.triplydb.com/microdustx/test-dataset/graphs/hello/world/ Hit Enter to save Double click to create a prefix |