About: http://webisa.webdatacommons.org/274076462

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	By placing tags on websites, blogs, videos and widgets, the firm measures things like audience age and gender makeup, areas of interest and type, length and frequency of their engagement with certain types of content.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org