About: http://webisa.webdatacommons.org/437134912

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	Things like newspaper, cardboard boxes, waste paper, plastic and glass bottles, and aluminum cans are examples of materials that are considered free.
http://www.w3.org/ns/prov#wasQuotedFrom	hauntforum.com