<http://experiment.worldcat.org/entity/person/data/2644905228.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Person> .
<http://experiment.worldcat.org/entity/person/data/2644905228.nt> <http://schema.org/about> <http://worldcat.org/entity/person/id/2644905228> .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/familyName> "Asen" .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/givenName> "Ivan" .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/sameAs> <http://id.worldcat.org/fast/357673> .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/birthDate> "1331" .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/name> "Czar of Bulgaria Ivan Asen IV" .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/alternateName> "Ivan Asen IV, Czar of Bulgaria" .
<http://worldcat.org/entity/person/id/2644905228> <http://schema.org/deathDate> "1349" .
<http://worldcat.org/entity/person/id/2644905228> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .