About: http://webisa.webdatacommons.org/455902128

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	For example, for the types t, number, and float, the default values are nil, 0, and 0.0 respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	lispworks.com