About: http://webisa.webdatacommons.org/93074001

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	if xhtml is an issue to you, you might also be interested in how to use custom data attributes in xhtml: see here for a discussion on SO and here for a xhtml-compatible approach using namespaces.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com