About: http://webisa.webdatacommons.org/152859700

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	Once, slavary was legal in law and at some point it was made illegal for e.g. (just an example, not trying to compare this case with slavery.)
http://www.w3.org/ns/prov#wasQuotedFrom	rockybru.com.my