About: http://webisa.webdatacommons.org/323196863

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	This strikes me as yet another compelling reason against your model of an argument. (I also allow non-propositional utterances elsewhere in an argument, and other forms of argument.
http://www.w3.org/ns/prov#wasQuotedFrom	philosophyetc.net