About: http://webisa.webdatacommons.org/225028663

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	2 The isnan macro determines whether its argument value is a NaN. First, an argument
http://www.w3.org/ns/prov#wasQuotedFrom	iso-9899.info