diff --git a/YACOSCore/ejbModule/org/yacos/core/article/IArticleManager.java b/YACOSCore/ejbModule/org/yacos/core/article/IArticleManager.java
index 0f394e5..e62c3af 100644
--- a/YACOSCore/ejbModule/org/yacos/core/article/IArticleManager.java
+++ b/YACOSCore/ejbModule/org/yacos/core/article/IArticleManager.java
@@ -5,11 +5,11 @@ import java.util.List;
 import javax.ejb.Remote;
 
 import org.yacos.core.article.Article.State;
-import org.yacos.core.conferences.Conference;
 import org.yacos.core.exceptions.ConferenceDoesntExistException;
 import org.yacos.core.users.User;
 
 
+
 @Remote
 public interface IArticleManager {
 	public Article getArticle(Integer id);
@@ -24,13 +24,13 @@ public interface IArticleManager {
 	
 	//public List<Article> getArticles();
 	public List<Article> getArticles(Integer confId) throws ConferenceDoesntExistException;
-	public List<Article> getArticleOfAuthor(Conference conf, User Author);
-	public List<Article> getArticlesOfMember(Conference conf, User member);
+	public List<Article> getArticleOfAuthor(Integer confId, String authorId);
+	public List<Article> getArticlesOfMember(Integer confId, String memberId);
 	//public List<Article> getAllArticles();
 	
 	//FIXME a d�placer dans user??
-	public List<?> getArticlePCMembers(Article article);
-	public List<?> getArticleReferees(Article article);
+	public List<User> getArticlePCMembers(Integer articleId);
+	public List<User> getArticleReferees(Integer articleId);
 	
 	
 	public Preference getArticlePreferenceForUser(Integer article_id, String pcMemberLogin);
@@ -38,7 +38,10 @@ public interface IArticleManager {
 	public void addArticlePreference(Integer article_id, String userLogin, String preferenceValue);
 	public void addOrUpdatePreference(Integer article_id, String userLogin, String preferenceValue);
 	
-	//FIXME interet ?
+	//delegation
+	public void assignArticleToPCMember(Integer articleId,String memberId);
+	public void delegateArticleToReferee(Integer articleId, String refereeId, String memberId);
+	
 	public boolean existsArticle(Integer articleId);
 	public boolean existsPreference(Preference preference);