About: http://webisa.webdatacommons.org/183259207

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, you can test that a social security number matches the patter nnn-nn-nnnn, where n is a number between 1 and 9.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com