About: http://webisa.webdatacommons.org/146885609

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	Those are the text-based ads that are sold by Google and others and that are targeted to search terms and other keywords.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org