About: http://webisa.webdatacommons.org/200420236

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	While ports, rails and toll roads do require maintenance, but once an electricity grid, railroad or port is built, most of the hard work is done and the company can look to enjoy decades of steady usage and cash flow.
http://www.w3.org/ns/prov#wasQuotedFrom	investopedia.com