About: http://webisa.webdatacommons.org/168542420

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	it is true that this comes up mainly at the more advanced stages of learning SQL, but if this is to be a tool that will help in anything other than learning the basics of joining and selecting, how are we going to account for this?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com