About: http://webisa.webdatacommons.org/391185618

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	Previously, advertisers could use ???conversion specs??? to track and optimize for actions such as page Likes, offer claims, link clicks or custom Open Graph actions.
http://www.w3.org/ns/prov#wasQuotedFrom	adweek.com