About: http://webisa.webdatacommons.org/17367846

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	(iii) operational improvements, including communications, signals, and other systems.
http://www.w3.org/ns/prov#wasQuotedFrom	govtrack.us