<http://caligraph.org/ontology/Undecidable_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Polynomial-time_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Computational_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Mathematical_problem> .
<http://caligraph.org/ontology/P-complete_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Computational_problem_in_graph_theory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Computational_problem>	<http://www.w3.org/2000/01/rdf-schema#label>	"Computational problem" .
<http://caligraph.org/ontology/Computational_problem>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Problem_on_strings>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/NP-complete_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Computational_problem>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Computational_problems> .
<http://caligraph.org/ontology/NP-hard_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Distributed_computing_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/Satisfiability_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .
<http://caligraph.org/ontology/PSPACE-complete_problem>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Computational_problem> .