About: http://webisa.webdatacommons.org/152735186

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 one embodiment, an element may be undefined if the element results in a comparison of incompatible types such as, for example, determining whether an integer is greater than a list, or a boolean value is equal to a string.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk