About: http://webisa.webdatacommons.org/281925379

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	For example, for certain therapeutic uses, it can be desirable to provide beams having rectangular, triangular, polygonal, circular, oblong, annular, or other desired shape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr