About: http://webisa.webdatacommons.org/133375681

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	"wood," rubber mats, rock including riprap, flag stone, brick or concrete pavers or slabs, or porous
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com