About: http://webisa.webdatacommons.org/160770163

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	It is also known to provide liquid dispensers which utilize a spring loaded roller ball, which seals itself when the roller ball is withdrawn away from object upon which the liquid, such as writing or printing ink, is to be dispensed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com