About: http://webisa.webdatacommons.org/256987699

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	In this subsection, applicable date for publishers of books and periodicals other than catalogs means January 1, 1980, and for all other publishers means January 1, 1990.
http://www.w3.org/ns/prov#wasQuotedFrom	wisconsin.gov