About: http://webisa.webdatacommons.org/274483907

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 system of raised dots that represent letters of the alphabet, numbers, punctuation and other symbols, some of which may stand for groups of frequently occurring letters.
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov