About: http://webisa.webdatacommons.org/93197786

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	With respect, I think this answer is a perfect example of failing to make the distinction that the OP is asking about: you are using the halting problem in a way which has no practical relevance.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com