About: http://webisa.webdatacommons.org/197018828

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	Search engines such as Google actually track the number of customers referred to a website via a particular keyword.
http://www.w3.org/ns/prov#wasQuotedFrom	usamarketingalliance.com