About: http://webisa.webdatacommons.org/115465736

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	societies such as psychologists, sociologists, or anthropologists, historians can???t use direct observation and experimentation to prove their arguments ??? at least not until the time machine is invented!
http://www.w3.org/ns/prov#wasQuotedFrom	learnnc.org