About: http://webisa.webdatacommons.org/133621928

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	Now, you will get a link whether it was an answer or a question, but as @mmyers states the question link will be invalid to sub-10k users because they cannot visit their questions.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com