About: http://webisa.webdatacommons.org/239382172

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	In 1983, Boller and Grafman further concluded that calculation difficulties can also arise from various shortcomings, such as the inability to assign value to the name of a number.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org