About: http://webisa.webdatacommons.org/100313602

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	Additional samples will be installed to include rails that have both internal and surface defects as well as other examples of defects or defect combinations that have proven difficult to reliably detect.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov