About: http://webisa.webdatacommons.org/310481346

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	The 106-mile Metrorail system is the second busiest in the United States, with 218 million annual trips, including more than 700,000 trips on a typical weekday.
http://www.w3.org/ns/prov#wasQuotedFrom	stockhouse.com