About: http://webisa.webdatacommons.org/129721326

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	Discovery is a good one. if it does not do discovery then you can, as you have found, use another tool to do that discovery. most MNS products have some SQL back end, so maybe you can insert the data yourself and let it run from there?
http://www.w3.org/ns/prov#wasQuotedFrom	linuxquestions.org