About: http://webisa.webdatacommons.org/314075151

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	Another solution could be to use magic functions __set, __get but I do not want to, because the code completion in development IDE will not suggest properties which is crucial for me.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com