About: http://webisa.webdatacommons.org/345257829

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 must allow the use, without restriction, of boolean operators (theory of sets) and applications thereof more especially for realizing functions such as the removal of material, cuts and sections or else the detection of common parts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es