About: http://webisa.webdatacommons.org/207141646

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	You must either define information types that use categories, or a list of information types before you can assign them to a topic.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com