About: http://webisa.webdatacommons.org/409646360

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	They said the search companies should use visual cues, labels, or other techniques to effectively distinguish advertisements, in order to avoid misleading consumers.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org