<http://caligraph.org/ontology/Metallic_element>	<http://www.w3.org/2000/01/rdf-schema#label>	"Metallic element" .
<http://caligraph.org/ontology/Transition_metal>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metallic_element> .
<http://caligraph.org/ontology/Lanthanide>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metallic_element> .
<http://caligraph.org/ontology/Metallic_element>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Rare_earth_element>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metallic_element> .
<http://caligraph.org/ontology/Alkali_metal>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metallic_element> .
<http://caligraph.org/ontology/Metallic_element>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metal> .
<http://caligraph.org/ontology/Post-transition_metal>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metallic_element> .
<http://caligraph.org/ontology/Metallic_element>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Metallic_elements> .
<http://caligraph.org/ontology/Alkaline_earth_metal>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Metallic_element> .