About: http://webisa.webdatacommons.org/274803736

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 does not save the extra IO you mentioned, but honestly the only difference is only creating the JAR which is in fact minimal compared to other things happened.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com