<https://mariadb.org/#/schema/person/cba67775a8f301523c70a7a99f688f1f>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Person>
<https://mariadb.org/duel-gdb-vs-linked-lists-trees-hash-tables/>