About: http://webisa.webdatacommons.org/114288627

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	You can create your own protocol with the Externalizable interface, that in my opinion is a nicer than Serializable since it does not contains private methods hooked by the JVM (writeObject and readObject).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com