About: http://webisa.webdatacommons.org/16191687

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	There are a lot of pieces to this, of course, including screen readers, etc... but one of the first steps is making sure that the application can be used without a mouse.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com