About: http://webisa.webdatacommons.org/366716614

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 native of St. Petersburg (then Leningrad), Petrov was the son of a military doctor; his mother was an artist.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org