<http://caligraph.org/ontology/Economic_problem>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Economic_problems> .
<http://caligraph.org/ontology/Problem_in_business_economics>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_problem> .
<http://caligraph.org/ontology/Economic_problem>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Financial_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_problem> .
<http://caligraph.org/ontology/Demographic_economic_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_problem> .
<http://caligraph.org/ontology/Macroeconomic_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Economic_problem> .
<http://caligraph.org/ontology/Economic_problem>	<http://www.w3.org/2000/01/rdf-schema#label>	"Economic problem" .
<http://caligraph.org/ontology/Economic_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://www.w3.org/2002/07/owl#Thing> .