About: http://webisa.webdatacommons.org/83733370

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	Also many UNIX systems are open source, and linux is a NIX system. the author contradicts himself.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org