About: http://webisa.webdatacommons.org/318963618

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	btw, if the mDescriptors is a Set, what is the meaning of getPosition()?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com