<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_database_management_software> .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Spatial_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .
<http://caligraph.org/ontology/Object-oriented_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .
<http://caligraph.org/ontology/Serverless_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Database_management_systems_by_license> .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Database_management_systems_by_process_model> .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Database_management_systems> .
<http://caligraph.org/ontology/Client-server_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/2000/01/rdf-schema#label>	"Database management system" .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Management_system> .
<http://caligraph.org/ontology/Database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Software> .
<http://caligraph.org/ontology/Free_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .
<http://caligraph.org/ontology/Proprietary_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .
<http://caligraph.org/ontology/Relational_database_management_system>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Database_management_system> .