_:vb50823781 . _:vb50823819 . _:vb50823781 "PXML - XML-Projekt WiSe 2004/2005" . _:vb50823819 "Slawa Belousow" . _:vb50823819 _:vb50823781 . _:vb50823781 . _:vb50823781 . _:vb50823819 "ebf8439be81e4063deedd155404c49571fad53dc" .