About: http://webisa.webdatacommons.org/310839047

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	These rivers are important because they provide drinking water to big cities such as Washington, Philadelphia, Baltimore, Atlanta, and other major metropolises.
http://www.w3.org/ns/prov#wasQuotedFrom	chinapost.com.tw