About: http://webisa.webdatacommons.org/147957034

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	This helps because you catch mistakes in naming at compile time, rather than run time and also enforces types on columns.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com