diff --git a/contribution/branches/MOLS/src2/moeoExhaustiveNeighborhoodExplorer.h b/contribution/branches/MOLS/src2/moeoExhaustiveNeighborhoodExplorer.h
index c75910a7f..b444f2009 100644
--- a/contribution/branches/MOLS/src2/moeoExhaustiveNeighborhoodExplorer.h
+++ b/contribution/branches/MOLS/src2/moeoExhaustiveNeighborhoodExplorer.h
@@ -65,22 +65,26 @@ public:
 
     void operator()(eoPop < MOEOT > & _src, std::vector<unsigned int> & _select, eoPop < MOEOT > & _dest)
     {
-        for(unsigned int i=0; i<_select.size(); i++){
-			moveInit(move, _src[_select[i]]);
-			do
-			{
-				objVec = incrEval(move, _src[_select[i]]);
-				_dest.push_back(_src[_select[i]]);
-				move(_dest.back());
-				_dest.back().objectiveVector(objVec);
-				_dest.back().flag(0);
-			}
-			while (nextMove(move, _src[_select[i]]));
-			_src[_select[i]].flag(1);
-        }
+        for(unsigned int i=0; i<_select.size(); i++)
+        	explore(_src, _select[i], _dest);
     }
 
 private:
+
+	void explore(eoPop < MOEOT > & _src, unsigned int _i, eoPop < MOEOT > & _dest)
+	{
+		moveInit(move, _src[_i]);
+		do
+		{
+			objVec = incrEval(move, _src[_i]);
+			_dest.push_back(_src[_i]);
+			move(_dest.back());
+			_dest.back().objectiveVector(objVec);
+			_dest.back().flag(0);
+		}
+		while (nextMove(move, _src[_i]));
+		_src[_i].flag(1);
+	}
 	/** Move */
 	Move move;
 	/** ObjectiveVector */
@@ -91,8 +95,6 @@ private:
     moNextMove < Move > & nextMove;
     /** the incremental evaluation */
     moMoveIncrEval < Move, ObjectiveVector > & incrEval;
-    /** comparator */
-    moeoParetoObjectiveVectorComparator<ObjectiveVector> comparator;
 
 };
 
diff --git a/contribution/branches/MOLS/src2/moeoSubNeighborhoodExplorer.h b/contribution/branches/MOLS/src2/moeoSubNeighborhoodExplorer.h
new file mode 100644
index 000000000..52e48f364
--- /dev/null
+++ b/contribution/branches/MOLS/src2/moeoSubNeighborhoodExplorer.h
@@ -0,0 +1,105 @@
+/*
+* <moeoSubNeighborhoodExplorer.h>
+* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
+* (C) OPAC Team, LIFL, 2002-2008
+*
+* Arnaud Liefooghe
+* Jérémie Humeau
+*
+* This software is governed by the CeCILL license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
+* Contact: paradiseo-help@lists.gforge.inria.fr
+*
+*/
+//-----------------------------------------------------------------------------
+
+#ifndef _MOEOSUBNEIGHBORHOODEXPLORER_H
+#define _MOEOSUBNEIGHBORHOODEXPLORER_H
+
+#include <eo>
+#include <moeo>
+#include <moMove.h>
+#include <moMoveInit.h>
+#include <moNextMove.h>
+#include <moMoveIncrEval.h>
+
+/**
+ * TODO
+ */
+template < class Move >
+class moeoSubNeighborhoodExplorer : public moeoPopNeighborhoodExplorer < Move >
+{
+    typedef typename Move::EOType MOEOT;
+    typedef typename MOEOT::ObjectiveVector ObjectiveVector;
+
+public:
+
+    moeoSubNeighborhoodExplorer(
+        moMoveInit < Move > & _moveInit,
+        moNextMove < Move > & _nextMove,
+        moMoveIncrEval < Move, ObjectiveVector > & _incrEval)
+            : moveInit(_moveInit), nextMove(_nextMove), incrEval(_incrEval){}
+
+    void operator()(eoPop < MOEOT > & _src, std::vector<unsigned int> & _select, eoPop < MOEOT > & _dest, unsigned int _number)
+    {
+    	if(_number > 0){
+    		for(unsigned int i=0; i<_select.size(); i++)
+    			explore(_src, _select[i], _dest);
+    	}
+    }
+
+private:
+
+	void explore(eoPop < MOEOT > & _src, unsigned int _i, eoPop < MOEOT > & _dest, unsigned int _number)
+	{
+		unsigned int tmp= _number;
+		moveInit(move, _src[_i]);
+		do
+		{
+			objVec = incrEval(move, _src[_i]);
+			_dest.push_back(_src[_i]);
+			move(_dest.back());
+			_dest.back().objectiveVector(objVec);
+			_dest.back().flag(0);
+			tmp--;
+		}
+		while (nextMove(move, _src[_i]) && (tmp > 0));
+		_src[_i].flag(1);
+	}
+	/** Move */
+	Move move;
+	/** ObjectiveVector */
+    ObjectiveVector objVec;
+    /** the move initializer */
+    moMoveInit < Move > & moveInit;
+    /** the neighborhood explorer */
+    moNextMove < Move > & nextMove;
+    /** the incremental evaluation */
+    moMoveIncrEval < Move, ObjectiveVector > & incrEval;
+
+};
+
+#endif /*_MOEOEXHAUSTIVENEIGHBORHOODEXPLORER_H_*/