NamespaceMigrationStep_Prefix_to = getResourceOrNull(graph, URIs.NamespaceMigrationStep_Prefix_to);
NamespaceMigrationStep_Prefix_to_Inverse = getResourceOrNull(graph, URIs.NamespaceMigrationStep_Prefix_to_Inverse);
Ontology = getResourceOrNull(graph, URIs.Ontology);
NamespaceMigrationStep_Prefix_to = getResourceOrNull(graph, URIs.NamespaceMigrationStep_Prefix_to);
NamespaceMigrationStep_Prefix_to_Inverse = getResourceOrNull(graph, URIs.NamespaceMigrationStep_Prefix_to_Inverse);
Ontology = getResourceOrNull(graph, URIs.Ontology);