About: http://webisa.webdatacommons.org/111885040

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	A primary key is an attribute or combination of attributes that, by itself, guarantees the uniqueness of each table row.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com