About: http://webisa.webdatacommons.org/326644198

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	The underlying math gets a little complex but the user interface keeps everything fairly straightforward.Unlike many search engines, we offer several free and paid services to webmasters other than advertising.
http://www.w3.org/ns/prov#wasQuotedFrom	searchenginejournal.com