About: http://webisa.webdatacommons.org/190064573

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	See : stackoverflow.com/questions/225772/compare-two-mysql-databases which is a related issue (but broader. my issue was especially about MySQL, command line, and free tool).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com