<http://caligraph.org/ontology/Roman_site_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Archaeological_site_in_Hertfordshire> .
<http://caligraph.org/ontology/Archaeological_site_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Protected_area_of_Hertfordshire> .
<http://caligraph.org/ontology/Archaeological_site_in_Hertfordshire>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Archaeological_sites_in_Hertfordshire> .
<http://caligraph.org/ontology/Archaeological_site_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Archaeological_site_in_England> .
<http://caligraph.org/ontology/Archaeological_site_in_Hertfordshire>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Archaeological_site_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#label>	"Archaeological site in Hertfordshire" .