About: http://webisa.webdatacommons.org/18869231

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	gt;any type:</em> almost any datatype can be used as key, including strings, integers, XPCOM interface pointers, IIDs, and almost anything else.
http://www.w3.org/ns/prov#wasQuotedFrom	mozilla.org