diff --git a/html/relnotes.html b/html/relnotes.html
index d444848cdd391ee67c9b1ed413203fb3997f0e00..b26459a79f7928050d9b25eb2bee09807606e077 100644
--- a/html/relnotes.html
+++ b/html/relnotes.html
@@ -67,6 +67,10 @@ Currently the development and maintainance of 3 versions continue.
 <!--h2>Version 4.2 (1xxx): xx/09/2009 - Zimt</h2-->
 <!--h2>Version 4.1 (1xxx): xx/09/2009 - Tring</h2-->
 
+<p><ul compact="1">
+<li>Fixed path errors in tutorials (tutorial)</li>
+</ul></p>
+
 <h2>Version 4.0 (1415): 31/03/2010 - Rouquine carm&eacute;lite</h2>
 
 <p>The Alignment API is now compiled in Java 1.6 (older versions
diff --git a/html/tutorial/tutorial4/MyApp.java b/html/tutorial/tutorial4/MyApp.java
index df0a739e7ebcc21113a8d301312a41901ab74e3a..5d31a681b2e53ee04d367587872493d203b7eded 100644
--- a/html/tutorial/tutorial4/MyApp.java
+++ b/html/tutorial/tutorial4/MyApp.java
@@ -134,8 +134,8 @@ public class MyApp {
 	Alignment al = null;
 	URI uri1 = null;
 	URI uri2 = null;
-	//String u1 = "http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl";
-	//String u2 = "http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl";
+	//String u1 = "http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl";
+	//String u2 = "http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl";
 	String u1 = "file:ontology1.owl";
 	String u2 = "file:ontology2.owl";
 	String method = "fr.inrialpes.exmo.align.impl.method.StringDistAlignment";
@@ -252,7 +252,7 @@ public class MyApp {
 	QueryExecution qe = null;
 	try {
 	        in = new FileInputStream( merged );
-		//in = new URL("http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl").openStream();
+		//in = new URL("http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl").openStream();
 		//OntModelSpec.OWL_MEM_RDFS_INF or no arguments to see the difference...
 		Model model = ModelFactory.createOntologyModel(OntModelSpec.OWL_DL_MEM_RULE_INF,null);
 	    model.read(in,"file:///tmp/myresult.owl"); 
@@ -263,7 +263,7 @@ public class MyApp {
 	    String queryString = 
 		"PREFIX foaf: <http://xmlns.com/foaf/0.1/> " +
 		"PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> " +
-		"PREFIX aa: <http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl#> " +
+		"PREFIX aa: <http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl#> " +
 		"SELECT ?fn ?ln ?t ?s " +
 		//"SELECT ?fn ?ln " +
 		"WHERE {" +
@@ -311,9 +311,9 @@ public class MyApp {
 	}
 
 	// get the instances of a class
-	OWLClass estud = manager.getOWLDataFactory().getOWLClass( IRI.create( "http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl#Estudiante" ) );   
-	OWLClass person = manager.getOWLDataFactory().getOWLClass( IRI.create( "http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl#Person" ) );   
-	OWLClass student = manager.getOWLDataFactory().getOWLClass( IRI.create( "http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl#Student" ) );   
+	OWLClass estud = manager.getOWLDataFactory().getOWLClass( IRI.create( "http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl#Estudiante" ) );   
+	OWLClass person = manager.getOWLDataFactory().getOWLClass( IRI.create( "http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl#Person" ) );   
+	OWLClass student = manager.getOWLDataFactory().getOWLClass( IRI.create( "http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl#Student" ) );   
 	Set<OWLNamedIndividual> instances  = reasoner.getInstances( estud, false ).getFlattened();
 	System.err.println("Pellet(Merged): There are "+instances.size()+" students "+estud.getIRI());
 
diff --git a/html/tutorial/tutorial4/Skeleton.java b/html/tutorial/tutorial4/Skeleton.java
index 415f0c956ece329b360b786688371fa07d61a1d1..4c66081adc22d7aab17ba519d87b25d223bb9628 100644
--- a/html/tutorial/tutorial4/Skeleton.java
+++ b/html/tutorial/tutorial4/Skeleton.java
@@ -120,8 +120,8 @@ public class MyApp {
 	Alignment al = null;
 	URI uri1 = null;
 	URI uri2 = null;
-	//String u1 = "http://alignapi.gforge.inria.fr/tutorial2/ontology1.owl";
-	//String u2 = "http://alignapi.gforge.inria.fr/tutorial2/ontology2.owl";
+	//String u1 = "http://alignapi.gforge.inria.fr/tutorial4/ontology1.owl";
+	//String u2 = "http://alignapi.gforge.inria.fr/tutorial4/ontology2.owl";
 	String u1 = "file:ontology1.owl";
 	String u2 = "file:ontology2.owl";
 	String method = "fr.inrialpes.exmo.align.impl.method.StringDistAlignment";
diff --git a/html/tutorial/tutorial4/index.html b/html/tutorial/tutorial4/index.html
index 602a63785eee8bd4b229da19c6402989f21f31a3..4a35f5a2fe7f975bf3f01291058aad35304af631 100644
--- a/html/tutorial/tutorial4/index.html
+++ b/html/tutorial/tutorial4/index.html
@@ -37,7 +37,7 @@ div.logic {
 <p>
 <dl>
 <dt>This version:</dt>
-<dd>http://alignapi.gforge.inria.fr/tutorial/tutorial2/</dd>
+<dd>http://alignapi.gforge.inria.fr/tutorial/tutorial4/</dd>
 <dt>Author:</dt>
 <dd><a href="http://exmo.inrialpes.fr/people/euzenat">J&eacute;r&ocirc;me Euzenat</a>, INRIA  &amp; LIG
 </dd>
diff --git a/html/tutorial/tutorial4/ontology1.owl b/html/tutorial/tutorial4/ontology1.owl
index 0f025f5b02f915d4f3d80f67102466b869f19e85..e2d0a5e8102e7dedea5d43c496d63bd1acc8a9f5 100644
--- a/html/tutorial/tutorial4/ontology1.owl
+++ b/html/tutorial/tutorial4/ontology1.owl
@@ -12,8 +12,8 @@
 	  <!ENTITY dctype 	"http://purl.org/dc/dcmitype/"> ]>
 
 <rdf:RDF
- xmlns="http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl#"
- xml:base="http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl#"
+ xmlns="http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl#"
+ xml:base="http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl#"
  xmlns:units	="&units;"
  xmlns:foaf	="http://xmlns.com/foaf/0.1/"
  xmlns:rdf	="&rdf;"
@@ -26,13 +26,13 @@
  xmlns:dctype	="&dctype;"
  xmlns:bibtex	="&bibtex;">
   
-  <owl:Ontology rdf:about="http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl">
+  <owl:Ontology rdf:about="http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl">
     <dc:creator>Jérôme Euzenat</dc:creator>
     <dc:description>Example for Alignment API advanced turorial</dc:description>
     <dc:date>2009-07-06</dc:date>
     <rdfs:label>First ontology</rdfs:label>
     <dc:title>ontology1.owl: an fake list of students</dc:title>
-    <dc:identifier rdf:datatype="&xsd;anyURI">http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology1.owl</dc:identifier>
+    <dc:identifier rdf:datatype="&xsd;anyURI">http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology1.owl</dc:identifier>
   </owl:Ontology>
 
   <owl:Class rdf:ID="Estudiante">
diff --git a/html/tutorial/tutorial4/ontology2.owl b/html/tutorial/tutorial4/ontology2.owl
index 62f9262c192cb671dd22b0ac2b76b286baf33b29..a0225623de12b698b69cdaf7e861ed22985d3251 100644
--- a/html/tutorial/tutorial4/ontology2.owl
+++ b/html/tutorial/tutorial4/ontology2.owl
@@ -16,8 +16,8 @@
    xml:base="http://xmlns.com/foaf/0.1/#"
 -->
 <rdf:RDF
- xmlns="http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl#"
- xml:base="http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl#"
+ xmlns="http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl#"
+ xml:base="http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl#"
  xmlns:units	="&units;"
  xmlns:foaf	="http://xmlns.com/foaf/0.1/"
  xmlns:rdf	="&rdf;"
@@ -30,13 +30,13 @@
  xmlns:dctype	="&dctype;"
  xmlns:bibtex	="&bibtex;">
   
-  <owl:Ontology rdf:about="http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl">
+  <owl:Ontology rdf:about="http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl">
     <dc:creator>Jérôme Euzenat</dc:creator>
     <dc:description>Example for Alignment API advanced turorial</dc:description>
     <dc:date>2009-07-06</dc:date>
     <rdfs:label>Second ontology</rdfs:label>
     <dc:title>ontology2.owl: another fake list of students</dc:title>
-    <dc:identifier rdf:datatype="&xsd;anyURI">http://alignapi.gforge.inria.fr/tutorial/tutorial2/ontology2.owl</dc:identifier>
+    <dc:identifier rdf:datatype="&xsd;anyURI">http://alignapi.gforge.inria.fr/tutorial/tutorial4/ontology2.owl</dc:identifier>
   </owl:Ontology>
 
   <owl:Class rdf:ID="Student">