About: http://webisa.webdatacommons.org/32877141

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	Every example of bootstrapping a language I can think of (C, PyPy) was done after there was a working compiler.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com