About: http://webisa.webdatacommons.org/274424560

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	Braille is a writing system for the blind and visually impaired using bumps on a paper, slate, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com