About: http://webisa.webdatacommons.org/79506812

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	Is it possible to create a \newcolumntype-like macro accepting more than one argument and one of them is an optional argument?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com