About: http://webisa.webdatacommons.org/253707891

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	Examples of these are Plus and Minus, which can be either a unary operator or a binary mathematical operator, and Lbrack, which can occur after a node test in when the state is either OPERATOR or DEFAULT.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org