PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • request is the request object that contains information about the request to perform. reader is a procedure that receives the response object and should read the entire request body (any leftover data will cause errors on subsequent requests with keepalive connections), writer is a procedure that receives the request object and should write the request body.
http://www.w3.org/ns/prov#wasQuotedFrom
  • call-cc.org