About: http://webisa.webdatacommons.org/408899700

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	do not know if this helps you, but as all Pets are Animals, category.pet would be enough.I would name the page e.g. Animal.Dog and write [[!Pet]] in the content.
http://www.w3.org/ns/prov#wasQuotedFrom	pmwiki.org