About: http://webisa.webdatacommons.org/37533162

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	An example is an agent that forwards the content to another receiver should preserve the unknown content.HTTP 1.1 is an example of a language that specifies that receivers should ignore any headers that it does not understand.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org