<http://webisa.webdatacommons.org/prov/297950243>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148073934> .
<http://webisa.webdatacommons.org/148073934>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/148073934>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/prov/291329924>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148073934> .
<http://webisa.webdatacommons.org/148073934>	<http://www.w3.org/ns/prov#value>	"but how can it be archived? (Code examples in such languages as Scala or Ocaml are very desirable.)" .