About: http://webisa.webdatacommons.org/207265952

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	For custom controls, most often problems are caused when there is a gap between the visual and audio user experience such that users of screenreaders do not have access to the same information as sighted users. 21.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net