<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/History_of_technology> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Technology_timelines_by_year> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/2000/01/rdf-schema#label>	"Timeline of hydrogen technologies" .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Timeline> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Technology_timelines> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Hydrogen_technology> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_timelines> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Hydrogen_technologies> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Outline_of_chemistry> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Timeline of hydrogen technologies" .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/European_Polytechnical_University> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Timeline_of_hydrogen_technologies> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Technology_timeline> .
<http://caligraph.org/resource/Timeline_of_hydrogen_technologies>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Greenhouse_gas_emissions_by_the_United_States> .