About: http://webisa.webdatacommons.org/323110139

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	That is, if two custom post types have 'hierarchical' set to false, posts can share the same slug.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.org