About: http://webisa.webdatacommons.org/228370986

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	Unless the table is a temporary table to stage the data while you work on it, you always want to put a primary key on the table and here is why:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com