About: http://webisa.webdatacommons.org/262118545

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 answer is the best to explain NP vs. P. I would suggest you to spend more time on polishing it and make it lecture notes.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com