About: http://webisa.webdatacommons.org/30486961

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	For example, URLs with a .gov domain name are from the United States government, and a URL using .edu as its domain indicate it comes from an educational institution such as a college or a university.
http://www.w3.org/ns/prov#wasQuotedFrom	nnlm.gov