About: http://webisa.webdatacommons.org/70764656

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	Add and edit form controls such as text zones, radio buttons, check boxes, drop-down lists and action buttons.
http://www.w3.org/ns/prov#wasQuotedFrom	pdf-expert.com