diff --git a/trunk/paradiseo-mo/src/mo.h b/trunk/paradiseo-mo/src/mo.h
index 7e905b613..c4171710a 100755
--- a/trunk/paradiseo-mo/src/mo.h
+++ b/trunk/paradiseo-mo/src/mo.h
@@ -188,6 +188,7 @@
 #include <sampling/moFDCsampling.h>
 #include <sampling/moFitnessCloudSampling.h>
 #include <sampling/moHillClimberSampling.h>
+#include <sampling/moAdaptiveWalkSampling.h>
 #include <sampling/moMHBestFitnessCloudSampling.h>
 #include <sampling/moMHRndFitnessCloudSampling.h>
 #include <sampling/moNeutralDegreeSampling.h>
diff --git a/trunk/paradiseo-mo/src/sampling/moAdaptiveWalkSampling.h b/trunk/paradiseo-mo/src/sampling/moAdaptiveWalkSampling.h
new file mode 100644
index 000000000..ceb410c81
--- /dev/null
+++ b/trunk/paradiseo-mo/src/sampling/moAdaptiveWalkSampling.h
@@ -0,0 +1,110 @@
+/*
+  <moAdaptiveWalkSampling.h>
+  Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
+
+  Sebastien Verel, Arnaud Liefooghe, Jeremie 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 moAdaptiveWalkSampling_h
+#define moAdaptiveWalkSampling_h
+
+#include <eoInit.h>
+#include <eval/moEval.h>
+#include <eoEvalFunc.h>
+#include <continuator/moCheckpoint.h>
+#include <perturb/moLocalSearchInit.h>
+#include <algo/moRandomSearch.h>
+#include <algo/moSimpleHC.h>
+#include <continuator/moSolutionStat.h>
+#include <continuator/moMinusOneCounterStat.h>
+#include <continuator/moStatFromStat.h>
+#include <sampling/moSampling.h>
+
+/**
+ * To compute the length and final solution of an adaptive walk:
+ *   Perform a first improvement Hill-climber based on the neighborhood (adaptive walk),
+ *   The lengths of HC are collected and the final solution which are local optima
+ *   The adaptive walk is repeated several times
+ *
+ */
+template <class Neighbor>
+class moAdaptiveWalkSampling : public moSampling<Neighbor>
+{
+public:
+    typedef typename Neighbor::EOT EOT ;
+
+    using moSampling<Neighbor>::localSearch;
+
+    /**
+     * Constructor
+     * @param _init initialisation method of the solution
+     * @param _neighborhood neighborhood giving neighbor in random order
+     * @param _fullEval a full evaluation function
+     * @param _eval an incremental evaluation of neighbors
+     * @param _nbAdaptWalk Number of adaptive walks
+     */
+    moAdaptiveWalkSampling(eoInit<EOT> & _init,
+                          moNeighborhood<Neighbor> & _neighborhood,
+                          eoEvalFunc<EOT>& _fullEval,
+                          moEval<Neighbor>& _eval,
+                          unsigned int _nbAdaptWalk) :
+            moSampling<Neighbor>(initHC, * new moRandomSearch<Neighbor>(initHC, _fullEval, _nbAdaptWalk), copyStat),
+            copyStat(lengthStat),
+            checkpoint(trueCont),
+	    hc(_neighborhood, _fullEval, _eval, checkpoint),
+            initHC(_init, hc)
+    {
+        // to count the number of step in the HC
+        checkpoint.add(lengthStat);
+
+        // add the solution into statistics
+        add(solStat);
+    }
+
+    /**
+     * Destructor
+     */
+    ~moAdaptiveWalkSampling() {
+        // delete the pointer on the local search which has been constructed in the constructor
+        delete localSearch;
+    }
+
+protected:
+    moSolutionStat<EOT> solStat;
+    moMinusOneCounterStat<EOT> lengthStat;
+    moTrueContinuator<Neighbor> trueCont;
+    moStatFromStat<EOT, unsigned int> copyStat;
+    moCheckpoint<Neighbor> checkpoint;
+    moFirstImprHC<Neighbor> hc;
+    moLocalSearchInit<Neighbor> initHC;
+};
+
+
+#endif
diff --git a/trunk/paradiseo-mo/src/sampling/moHillClimberSampling.h b/trunk/paradiseo-mo/src/sampling/moHillClimberSampling.h
index 6c2db82c3..e3e277bf7 100644
--- a/trunk/paradiseo-mo/src/sampling/moHillClimberSampling.h
+++ b/trunk/paradiseo-mo/src/sampling/moHillClimberSampling.h
@@ -49,7 +49,7 @@
 
 /**
  * To compute the length and final solution of an adaptive walk:
- *   Perform a simple Hill-climber based on the neighborhood (adaptive walk),
+ *   Perform a simple Hill-climber based on the neighborhood (gradiant walk, the whole neighborhood is visited),
  *   The lengths of HC are collected and the final solution which are local optima
  *   The adaptive walk is repeated several times
  *