About: http://webisa.webdatacommons.org/164274168

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	If we wish to have knowledge of a certain subject we must go to the material sources and observe through our senses, or we must go to books or other mediums to acquire knowledge that others have gathered through the use of their senses.
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org