About: http://webisa.webdatacommons.org/174740883

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	argued that there can be no such thing as empty space, and every location
http://www.w3.org/ns/prov#wasQuotedFrom	mathpages.com