<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_1923>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Construction_and_civil_engineering_companies_established_in_1923> .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_1923>	<http://www.w3.org/2000/01/rdf-schema#label>	"Construction and civil engineering company established in 1923" .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_1923>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Design_company_established_in_1923> .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_1923>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_the_20th_century> .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_1923>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .