diff --git a/YACOSCore/ejbModule/org/yacos/core/evaluation/Criterion.java b/YACOSCore/ejbModule/org/yacos/core/evaluation/Criterion.java
index 64caeed..c04d44b 100644
--- a/YACOSCore/ejbModule/org/yacos/core/evaluation/Criterion.java
+++ b/YACOSCore/ejbModule/org/yacos/core/evaluation/Criterion.java
@@ -3,6 +3,8 @@
  */
 package org.yacos.core.evaluation;
 
+import java.io.Serializable;
+
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
@@ -17,7 +19,12 @@ import org.yacos.core.conferences.Conference;
  *
  */
 @Entity
-public class Criterion {
+public class Criterion implements Serializable {
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	
 	@Id
 	@GeneratedValue(strategy=GenerationType.AUTO)
 	private Integer id;
diff --git a/YACOSCore/ejbModule/org/yacos/core/evaluation/EvaluationManagerBean.java b/YACOSCore/ejbModule/org/yacos/core/evaluation/EvaluationManagerBean.java
index c59ac68..a435170 100644
--- a/YACOSCore/ejbModule/org/yacos/core/evaluation/EvaluationManagerBean.java
+++ b/YACOSCore/ejbModule/org/yacos/core/evaluation/EvaluationManagerBean.java
@@ -6,13 +6,18 @@ package org.yacos.core.evaluation;
 import java.util.List;
 
 import javax.ejb.Stateless;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
 import javax.persistence.Query;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.yacos.core.article.Article;
-import org.yacos.core.conferences.Conference;
-import org.yacos.core.conferences.ConferenceManagerBean;
+import org.yacos.core.conferences.IConferenceManager;
+import org.yacos.core.users.User;
 
 /**
  * @author christiancorsano
@@ -22,12 +27,30 @@ import org.yacos.core.conferences.ConferenceManagerBean;
 public class EvaluationManagerBean implements IEvaluationManager {
 	@PersistenceContext
 	EntityManager em;
-	private ConferenceManagerBean cm = new ConferenceManagerBean();
+	
+	protected final Log logger = LogFactory.getLog(getClass());
+	 
+	private IConferenceManager cm;
+	
+	private IConferenceManager getConferenceManager(){
+			Context context;
+			try {
+				context = new InitialContext();
+				cm = (IConferenceManager)context.lookup("ConferenceManagerBean/remote");
+			} catch (NamingException e) {
+				logger.error(e.getMessage());
+			}
+			return cm;
+	}
 
-	public List<Criterion> getCriterions(int confId){
-		ConferenceManagerBean cm = new ConferenceManagerBean();
-		Conference conf = cm.getConference(confId);
-		return conf.getCriterions();
+	
+	@SuppressWarnings("unchecked")
+	public List<Criterion> getCriterions(int confId){	
+		//Query q = em.createQuery("from Criterion");
+		Query query = em.createQuery("from Criterion where conference_id = ?");
+		query.setParameter(1, confId);		 		
+		return query.getResultList();
+		//return q.getResultList();
 	}
 	
 	@SuppressWarnings("unchecked")
@@ -37,11 +60,13 @@ public class EvaluationManagerBean implements IEvaluationManager {
 	}
 
 	public Criterion addCriterion(String name, Integer min_rating,
-			Integer max_rating, int confId) {
+			Integer max_rating, int confId) {	
+		cm = getConferenceManager();	
 		Criterion crit = new Criterion();
 		crit.setName(name);
 		crit.setMin(min_rating);
 		crit.setMax(max_rating);
+		System.out.println();
 		crit.setConference(cm.getConference(confId));
 		em.persist(crit);
 		em.flush();
@@ -49,10 +74,38 @@ public class EvaluationManagerBean implements IEvaluationManager {
 	}
 
 	public void updateCriterion(Criterion criterion) {
-		// TODO Auto-generated method stub		
+		em.merge(criterion);
+		em.flush();
 	}
 
+	public void removeCriterion(int criterionId) {
+		Criterion criterion = this.getCriterion(criterionId);
+		em.remove(criterion);
+	}
+	
 	public Criterion getCriterion(int criterionId) {
 		return em.find(Criterion.class, criterionId);
 	}
+
+
+	/**
+	 * methodes du Report 
+	 */
+	
+	public Report addReport(Article article) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+
+	public List<Report> getReportsForUser(User user) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+
+	public void updateReport(Report report) {
+		// TODO Auto-generated method stub
+		
+	}
 }
diff --git a/YACOSCore/ejbModule/org/yacos/core/evaluation/IEvaluationManager.java b/YACOSCore/ejbModule/org/yacos/core/evaluation/IEvaluationManager.java
index 816bcb3..ea57dd3 100644
--- a/YACOSCore/ejbModule/org/yacos/core/evaluation/IEvaluationManager.java
+++ b/YACOSCore/ejbModule/org/yacos/core/evaluation/IEvaluationManager.java
@@ -8,6 +8,7 @@ import java.util.List;
 import javax.ejb.Remote;
 
 import org.yacos.core.article.Article;
+import org.yacos.core.users.User;
 
 /**
  * @author christiancorsano
@@ -20,7 +21,11 @@ public interface IEvaluationManager {
 			Integer max_rating, int confId);
 	public Criterion getCriterion(int criterionId);
 	public void updateCriterion(Criterion criterion);
-	
-	public List<Report> getReportsForArticle(Article article);
+	public void removeCriterion(int criterionId);
 	public List<Criterion> getCriterions(int confId);
+	
+	public Report addReport(Article article);
+	public void updateReport(Report report);
+	public List<Report> getReportsForArticle(Article article);
+	public List<Report> getReportsForUser(User user);
 }
diff --git a/YACOSCore/ejbModule/org/yacos/core/evaluation/Report.java b/YACOSCore/ejbModule/org/yacos/core/evaluation/Report.java
index f37e7dc..7d3c93a 100644
--- a/YACOSCore/ejbModule/org/yacos/core/evaluation/Report.java
+++ b/YACOSCore/ejbModule/org/yacos/core/evaluation/Report.java
@@ -126,5 +126,4 @@ public class Report {
 	public void setRatings(ArrayList<Rating> ratings) {
 		this.ratings = ratings;
 	}
-	
 }