About: http://webisa.webdatacommons.org/5888559

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	In the past, landing page quality was usually administered as if it were ???policy???: that is, there was an attempt to look for what Alferness calls ???negative signals???.
http://www.w3.org/ns/prov#wasQuotedFrom	traffick.com