About: http://webisa.webdatacommons.org/417400041

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 fact, the server can return with many differrent types of format, and these can be used to change the contents of the document in the browser.
http://www.w3.org/ns/prov#wasQuotedFrom	wolfram.com