About: http://webisa.webdatacommons.org/234066713

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	Conceptually, what we need is a variation of E:empty that is for text nodes, e.g. E:text or E:no-children.
http://www.w3.org/ns/prov#wasQuotedFrom	alastairc.ac