<http://webisa.webdatacommons.org/428436776> <http://www.w3.org/ns/prov#value> "Motion is a problem of the" . <http://webisa.webdatacommons.org/428436776> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/442986087> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/428436776> . <http://webisa.webdatacommons.org/428436776> <http://www.w3.org/ns/prov#wasQuotedFrom> <vordenker.de> .