About: http://webisa.webdatacommons.org/54680741

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	The physical fact is that a vacuum is a vacuum, no matter how thin it is.
http://www.w3.org/ns/prov#wasQuotedFrom	thomasnet.com