#include "pd_RDFQuery.h"
#include "pd_Document.h"
#include "pt_PieceTable.h"
#include "ut_debugmsg.h"
#include "pf_Frag_Object.h"
#include "pf_Frag_Strux.h"
#include "ut_std_string.h"
#include <sstream>
#include <set>
#include <iostream>