About: http://webisa.webdatacommons.org/449699487

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	Grogger was able to take these phone interviews, purge them of any identifying information, and then ask people to try to identify the voices as to whether the speaker was black or white.
http://www.w3.org/ns/prov#wasQuotedFrom	freakonomics.com