About: http://webisa.webdatacommons.org/130827274

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	referred to as the blindness system, constitute over 1,400 local, state, regional and national agencies, schools, libraries and other organizations of and for people who are blind or visually impaired.
http://www.w3.org/ns/prov#wasQuotedFrom	afb.org