About: http://webisa.webdatacommons.org/120222018

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	Its open source and supports plugin creation, so for instance you can run findbugs against your code and there is a plugin which it will visually display the findings.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com