<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:19th-century_Dutch_chemists> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Scientist> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Naturalists_by_century> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/20th-century_Dutch_chemist> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/deathDate>	"1937-05-05" .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_the_Delft_University_of_Technology_Alumni> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/19th-century_Dutch_chemist> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_Dutch_chemists> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/deathYear>	"1937" .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Willem Alberda van Ekenstein" .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Willem_Alberda_van_Ekenstein> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/knownFor>	<http://caligraph.org/resource/Lobry_de_Bruyn%E2%80%93Van_Ekenstein_transformation> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_scientists_by_field> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_field_and_continent> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_scientists_by_membership> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_field_and_nationality> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_ethnicity> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_scientists> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_field> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Groningen> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_scientists_by_award> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_nationality> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_nationality_and_century> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/birthYear>	"1858" .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_institution> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/nationality>	<http://caligraph.org/resource/Netherlands> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_scientists_by_nationality> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_scientists_by_religion> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_century> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_continent> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/birthDate>	"1858-03-28" .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_country_and_city> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_century_and_nationality> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_city> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Delft_University_of_Technology_Alumni> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/2000/01/rdf-schema#label>	"Willem Alberda van Ekenstein" .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/almaMater>	<http://caligraph.org/resource/Delft_University_of_Technology> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1858_births> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://caligraph.org/ontology/deathPlace>	<http://caligraph.org/resource/Marum> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1937_deaths> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_period> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Scientists_by_religion> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1858_birth> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1937_death> .
<http://caligraph.org/resource/Willem_Alberda_van_Ekenstein>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .