About: http://webisa.webdatacommons.org/417602488

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	In many fields of scientific endeavor, particularly in medicine, it is desirable to subject a relatively small quantity of liquid to pressure whereby particled solid materials; bacteria or viruses may be removed from the liquid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca