diff --git a/src/fr/inrialpes/exmo/align/impl/edoal/EDOALVisitor.java b/src/fr/inrialpes/exmo/align/impl/edoal/EDOALVisitor.java
index e60dfbed3fabbfdaf5659021a145cb60fac486ca..8d784e9087b8ff5d06b7d54ad9eb7e3d3833648f 100644
--- a/src/fr/inrialpes/exmo/align/impl/edoal/EDOALVisitor.java
+++ b/src/fr/inrialpes/exmo/align/impl/edoal/EDOALVisitor.java
@@ -24,37 +24,24 @@ import org.semanticweb.owl.align.AlignmentException;
 
 public interface EDOALVisitor {
 
-    //public void visit( Id o ) throws AlignmentException;
-    public void visit( PathExpression o ) throws AlignmentException;
-    public void visit( Expression o ) throws AlignmentException;
-    public void visit( ClassExpression o ) throws AlignmentException;
     public void visit( ClassId o ) throws AlignmentException;
     public void visit( ClassConstruction o ) throws AlignmentException;
-    public void visit( ClassRestriction o ) throws AlignmentException;
     public void visit( ClassTypeRestriction o ) throws AlignmentException;
     public void visit( ClassDomainRestriction o ) throws AlignmentException;
     public void visit( ClassValueRestriction o ) throws AlignmentException;
     public void visit( ClassOccurenceRestriction o ) throws AlignmentException;
-    public void visit( PropertyExpression o ) throws AlignmentException;
     public void visit( PropertyId o ) throws AlignmentException;
     public void visit( PropertyConstruction o ) throws AlignmentException;
-    public void visit( PropertyRestriction o ) throws AlignmentException;
     public void visit( PropertyDomainRestriction o ) throws AlignmentException;
     public void visit( PropertyTypeRestriction o ) throws AlignmentException;
     public void visit( PropertyValueRestriction o ) throws AlignmentException;
-    public void visit( RelationExpression o ) throws AlignmentException;
     public void visit( RelationId o ) throws AlignmentException;
     public void visit( RelationConstruction o ) throws AlignmentException;
-    public void visit( RelationRestriction o ) throws AlignmentException;
     public void visit( RelationDomainRestriction o ) throws AlignmentException;
     public void visit( RelationCoDomainRestriction o ) throws AlignmentException;
-    public void visit( InstanceExpression o ) throws AlignmentException;
     public void visit( InstanceId o ) throws AlignmentException;
 
     public void visit( Transformation o ) throws AlignmentException;
-    //public void visit( TransfService o ) throws AlignmentException;
-    //public void visit( ValueConstraint o ) throws AlignmentException;
-    public void visit( ValueExpression o ) throws AlignmentException;
     public void visit( Value o ) throws AlignmentException;
     public void visit( Apply o ) throws AlignmentException;
     public void visit( Datatype o ) throws AlignmentException;
diff --git a/src/fr/inrialpes/exmo/align/impl/renderer/OWLAxiomsRendererVisitor.java b/src/fr/inrialpes/exmo/align/impl/renderer/OWLAxiomsRendererVisitor.java
index c5e12e2de9ae12f8d70bbff6c27e08f47ec9475b..f9544b4e5a73192205c5657f14f694e37117efea 100644
--- a/src/fr/inrialpes/exmo/align/impl/renderer/OWLAxiomsRendererVisitor.java
+++ b/src/fr/inrialpes/exmo/align/impl/renderer/OWLAxiomsRendererVisitor.java
@@ -50,7 +50,6 @@ import fr.inrialpes.exmo.align.impl.edoal.Expression;
 import fr.inrialpes.exmo.align.impl.edoal.ClassExpression;
 import fr.inrialpes.exmo.align.impl.edoal.ClassId;
 import fr.inrialpes.exmo.align.impl.edoal.ClassConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.ClassRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassTypeRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassValueRestriction;
@@ -58,14 +57,12 @@ import fr.inrialpes.exmo.align.impl.edoal.ClassOccurenceRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyExpression;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyId;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.PropertyRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyTypeRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyValueRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationExpression;
 import fr.inrialpes.exmo.align.impl.edoal.RelationId;
 import fr.inrialpes.exmo.align.impl.edoal.RelationConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.RelationRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationCoDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.InstanceExpression;
@@ -385,18 +382,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 
     // ******* EDOAL
 
-    public void visit( Expression o ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch generic Expression "+o );
-    }
-
-    public void visit( final PathExpression p ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch generic PathExpression "+p );
-    }
-
-    public void visit( final ClassExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-
     public void visit( final ClassId e ) throws AlignmentException {
 	if ( toProcess == null ) {
 	    indentedOutput("<owl:Class "+SyntaxElement.RDF_ABOUT.print(DEF)+"=\""+e.getURI()+"\"/>");
@@ -459,10 +444,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	}
     }
 
-    public void visit(final ClassRestriction e) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-
     public void visit( final ClassValueRestriction c ) throws AlignmentException {
 	Relation toProcessNext = toProcess;
 	toProcess = null;
@@ -572,10 +553,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	indentedOutput("</owl:Restriction>");
     }
     
-    public void visit(final PropertyExpression e) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-	
     public void visit(final PropertyId e) throws AlignmentException {
 	if ( toProcess == null ) {
 	    indentedOutput("<owl:DatatypeProperty "+SyntaxElement.RDF_ABOUT.print(DEF)+"=\""+e.getURI()+"\"/>");
@@ -629,10 +606,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	decreaseIndent();
 	indentedOutput("</owl:DatatypePropety>");
     }
-    
-    public void visit(final PropertyRestriction e) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
 	
     public void visit(final PropertyValueRestriction c) throws AlignmentException {
 	Relation toProcessNext = toProcess;
@@ -720,10 +693,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	decreaseIndent();
 	indentedOutput("</owl:DatatypeProperty>");
     }
-    
-    public void visit( final RelationExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
 	
     public void visit( final RelationId e ) throws AlignmentException {
 	if ( toProcess == null ) {
@@ -787,10 +756,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	decreaseIndent();
 	indentedOutput("</owl:ObjectProperty>");
     }
-    
-    public void visit( final RelationRestriction e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
 	
     public void visit(final RelationCoDomainRestriction c) throws AlignmentException {
 	Relation toProcessNext = toProcess;
@@ -823,10 +788,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	decreaseIndent();
 	indentedOutput("</owl:ObjectProperty>");
     }
-    
-    public void visit( final InstanceExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot handle InstanceExpression "+e );
-    }
 
     public void visit( final InstanceId e ) throws AlignmentException {
 	if ( toProcess == null ) {
@@ -842,10 +803,6 @@ public class OWLAxiomsRendererVisitor extends IndentedRendererVisitor implements
 	    indentedOutput("</owl:Individual>");
 	}
     }
-    
-    public void visit( final ValueExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch generic ValueExpression "+e );
-    }
 
     // Unused: see ClassValueRestriction above
     public void visit( final Value e ) throws AlignmentException {
diff --git a/src/fr/inrialpes/exmo/align/impl/renderer/RDFRendererVisitor.java b/src/fr/inrialpes/exmo/align/impl/renderer/RDFRendererVisitor.java
index 3ac5b2c3c4108ce26b03d9bc4fda9070a284e105..49d936101dc8d6300f68660dbcb04439b1c42661 100644
--- a/src/fr/inrialpes/exmo/align/impl/renderer/RDFRendererVisitor.java
+++ b/src/fr/inrialpes/exmo/align/impl/renderer/RDFRendererVisitor.java
@@ -52,7 +52,6 @@ import fr.inrialpes.exmo.align.impl.edoal.Expression;
 import fr.inrialpes.exmo.align.impl.edoal.ClassExpression;
 import fr.inrialpes.exmo.align.impl.edoal.ClassId;
 import fr.inrialpes.exmo.align.impl.edoal.ClassConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.ClassRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassTypeRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassValueRestriction;
@@ -60,14 +59,12 @@ import fr.inrialpes.exmo.align.impl.edoal.ClassOccurenceRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyExpression;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyId;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.PropertyRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyTypeRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyValueRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationExpression;
 import fr.inrialpes.exmo.align.impl.edoal.RelationId;
 import fr.inrialpes.exmo.align.impl.edoal.RelationConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.RelationRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationCoDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.InstanceExpression;
@@ -311,19 +308,7 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	rel.write( writer );
     };
 
-    
-    public void visit( Expression o ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch Expression "+o );
-    }
-
-    public void visit( final PathExpression p ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch PathExpression "+p );
-    }
-
-    public void visit( final ClassExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-    
+    // ********** EDOAL
 
     public void renderVariables( Expression expr ) {
 	if ( expr.getVariable() != null ) {
@@ -362,11 +347,7 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	decreaseIndent();
 	indentedOutput("</"+SyntaxElement.CLASS_EXPR.print(DEF)+">");
     }
-    
-    public void visit(final ClassRestriction e) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-    
+
     public void visit( final ClassValueRestriction c ) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.VALUE_COND.print(DEF));
 	if ( isPattern ) renderVariables( c );
@@ -460,10 +441,6 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	indentedOutput("</"+SyntaxElement.OCCURENCE_COND.print(DEF)+">");
     }
     
-    public void visit(final PropertyExpression e) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-    
     public void visit(final PropertyId e) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.PROPERTY_EXPR.print(DEF));
 	if ( e.getURI() != null ){
@@ -503,10 +480,6 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	indentedOutput("</"+SyntaxElement.PROPERTY_EXPR.print(DEF)+">");
     }
 
-    public void visit(final PropertyRestriction e) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-    
     public void visit(final PropertyValueRestriction c) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.PROPERTY_VALUE_COND.print(DEF));
 	if ( isPattern ) renderVariables( c );
@@ -551,10 +524,6 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	indentedOutput("</"+SyntaxElement.PROPERTY_TYPE_COND.print(DEF)+">");
     }
     
-    public void visit( final RelationExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-    
     public void visit( final RelationId e ) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.RELATION_EXPR.print(DEF));
 	if ( e.getURI() != null ) {
@@ -593,10 +562,6 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	decreaseIndent();
 	indentedOutput("</"+SyntaxElement.RELATION_EXPR.print(DEF)+">");
     }
-    
-    public void visit( final RelationRestriction e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
 	
     public void visit(final RelationCoDomainRestriction c) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.RELATION_CODOMAIN_COND.print(DEF));
@@ -627,10 +592,6 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	decreaseIndent();
 	indentedOutput("</"+SyntaxElement.RELATION_DOMAIN_COND.print(DEF)+">");
     }
-    
-    public void visit( final InstanceExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot handle InstanceExpression "+e );
-    }
 
     public void visit( final InstanceId e ) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.INSTANCE_EXPR.print(DEF));
@@ -642,10 +603,6 @@ public class RDFRendererVisitor extends IndentedRendererVisitor implements Align
 	writer.print("/>");
     }
     
-    public void visit( final ValueExpression e ) throws AlignmentException {
-	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
-    }
-
     public void visit( final Value e ) throws AlignmentException {
 	indentedOutput("<"+SyntaxElement.LITERAL.print(DEF)+" ");
 	if ( e.getType() != null ) {
diff --git a/src/fr/inrialpes/exmo/align/parser/TypeCheckingVisitor.java b/src/fr/inrialpes/exmo/align/parser/TypeCheckingVisitor.java
index f5f9c357dc864da7acfc5734529548773abb58ae..7b485fbd95ad74d5b49a1e3d8f6354dd68b44c57 100644
--- a/src/fr/inrialpes/exmo/align/parser/TypeCheckingVisitor.java
+++ b/src/fr/inrialpes/exmo/align/parser/TypeCheckingVisitor.java
@@ -34,30 +34,27 @@ import org.semanticweb.owl.align.AlignmentException;
 import fr.inrialpes.exmo.align.impl.Namespace;
 import fr.inrialpes.exmo.align.parser.SyntaxElement.Constructor;
 
+import fr.inrialpes.exmo.align.impl.edoal.EDOALAlignment;
+import fr.inrialpes.exmo.align.impl.edoal.EDOALCell;
+
 import fr.inrialpes.exmo.align.impl.edoal.PathExpression;
 import fr.inrialpes.exmo.align.impl.edoal.Expression;
 import fr.inrialpes.exmo.align.impl.edoal.ClassExpression;
 import fr.inrialpes.exmo.align.impl.edoal.ClassId;
 import fr.inrialpes.exmo.align.impl.edoal.ClassConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.ClassRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassTypeRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassValueRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.ClassOccurenceRestriction;
-import fr.inrialpes.exmo.align.impl.edoal.PropertyExpression;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyId;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.PropertyRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyTypeRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.PropertyValueRestriction;
-import fr.inrialpes.exmo.align.impl.edoal.RelationExpression;
 import fr.inrialpes.exmo.align.impl.edoal.RelationId;
 import fr.inrialpes.exmo.align.impl.edoal.RelationConstruction;
-import fr.inrialpes.exmo.align.impl.edoal.RelationRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationDomainRestriction;
 import fr.inrialpes.exmo.align.impl.edoal.RelationCoDomainRestriction;
-import fr.inrialpes.exmo.align.impl.edoal.InstanceExpression;
 import fr.inrialpes.exmo.align.impl.edoal.InstanceId;
 
 import fr.inrialpes.exmo.align.impl.edoal.Transformation;
@@ -67,9 +64,6 @@ import fr.inrialpes.exmo.align.impl.edoal.Apply;
 import fr.inrialpes.exmo.align.impl.edoal.Datatype;
 import fr.inrialpes.exmo.align.impl.edoal.Comparator;
 
-import fr.inrialpes.exmo.align.impl.edoal.EDOALAlignment;
-import fr.inrialpes.exmo.align.impl.edoal.EDOALCell;
-
 /**
  * Checks if an EDOALAlignment is well-typed
  * This is called by AlignmentParser (with debug>0)
@@ -96,13 +90,14 @@ public class TypeCheckingVisitor {
 	nslist = new Hashtable<URI,TYPE>();
     }
 	
-    public TYPE visit( Visitable o ) throws AlignmentException {
+    /*
+      public TYPE visit( Visitable o ) throws AlignmentException {
 	throw new AlignmentException( "Cannot type check all" );
     }
 
     public TYPE visit( Expression o ) throws AlignmentException {
 	throw new AlignmentException("Cannot export abstract Expression: "+o );
-    }
+	}*/
 
     public TYPE visit( EDOALAlignment align ) throws AlignmentException {
 	alignment = align;
@@ -125,6 +120,10 @@ public class TypeCheckingVisitor {
 	return TYPE.ANY;
     }
 
+    public TYPE visit( Relation o ) throws AlignmentException {
+	throw new AlignmentException("This is not used yet and not implemented: "+o );
+    }
+
     public boolean compatible( TYPE t1, TYPE t2 ) {
 	if ( t1 == TYPE.ERROR || t2 == TYPE.ERROR ) return true; //nomore
 	if ( t1 == TYPE.ANY || t2 == TYPE.ANY || t1 == t2 ) return true;
@@ -155,7 +154,7 @@ public class TypeCheckingVisitor {
 	if ( !compatible( tp2, TYPE.VALUE ) ) return raiseError( null, tp2, TYPE.VALUE );
 	return TYPE.ANY;
     }
-
+    /*
     public TYPE visit( final PathExpression p ) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch PathExpression "+p );
     }
@@ -163,7 +162,7 @@ public class TypeCheckingVisitor {
     public TYPE visit( final ClassExpression e ) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch ClassExpression "+e );
     }
-
+    */
     public TYPE visit( final ClassId e ) throws AlignmentException {
 	TYPE type = nslist.get( e.getURI() );
 	if ( type == null ) nslist.put( e.getURI(), TYPE.CLASS );
@@ -184,11 +183,11 @@ public class TypeCheckingVisitor {
 	if ( allright ) return TYPE.CLASS;
 	else return TYPE.ERROR;
     }
-    
+    /*
     public TYPE visit(final ClassRestriction e) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch ClassRestriction "+e );
     }
-
+    */
     public TYPE visit( final ClassValueRestriction c ) throws AlignmentException {
 	TYPE ptype = c.getRestrictionPath().accept( this );
 	TYPE tp = c.getValue().accept( this );
@@ -220,11 +219,11 @@ public class TypeCheckingVisitor {
 	     !compatible( ptype, TYPE.PROPERTY ) ) return raiseError( null, ptype, TYPE.RELATION );
 	return TYPE.CLASS;
     }
-    
+    /*
     public TYPE visit(final PropertyExpression e) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch PropertyExpression "+e );
     }
-	
+    */
     public TYPE visit(final PropertyId e) throws AlignmentException {
 	TYPE type = nslist.get( e.getURI() );
 	if ( type == null ) nslist.put( e.getURI(), TYPE.PROPERTY );
@@ -245,11 +244,11 @@ public class TypeCheckingVisitor {
 	if ( allright ) return TYPE.PROPERTY;
 	else return TYPE.ERROR;
     }
-    
+    /*
     public TYPE visit(final PropertyRestriction e) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch PropertyRestriction "+e );
     }
-	
+    */
     public TYPE visit(final PropertyValueRestriction c) throws AlignmentException {
 	//c.getComparator().getURI(); // do we test the operator?
 	TYPE type = c.getValue().accept( this );
@@ -268,11 +267,11 @@ public class TypeCheckingVisitor {
 	if ( !compatible( type, TYPE.DATATYPE ) ) return raiseError( null, type, TYPE.DATATYPE );
 	return TYPE.PROPERTY;
     }
-    
+    /*
     public TYPE visit( final RelationExpression e ) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch RelationExpression "+e );
     }
-	
+    */
     public TYPE visit( final RelationId e ) throws AlignmentException {
 	TYPE type = nslist.get( e.getURI() );
 	if ( type == null ) nslist.put( e.getURI(), TYPE.RELATION );
@@ -293,11 +292,11 @@ public class TypeCheckingVisitor {
 	if ( allright ) return TYPE.RELATION;
 	else return TYPE.ERROR;
     }
-    
+    /*
     public TYPE visit( final RelationRestriction e ) throws AlignmentException {
 	throw new AlignmentException( "Cannot dispatch RelationRestriction "+e );
     }
-	
+    */
     public TYPE visit(final RelationCoDomainRestriction c) throws AlignmentException {
 	TYPE type = c.getCoDomain().accept( this );
 	if ( !compatible( type, TYPE.CLASS ) ) return raiseError( null, type, TYPE.CLASS );
@@ -309,10 +308,10 @@ public class TypeCheckingVisitor {
 	if ( !compatible( type, TYPE.CLASS ) ) return raiseError( null, type, TYPE.CLASS );
 	return TYPE.RELATION;
     }
-    
+    /*
     public TYPE visit( final InstanceExpression e ) throws AlignmentException {
 	throw new AlignmentException( "Cannot handle InstanceExpression "+e );
-    }
+	}*/
 
     public TYPE visit( final InstanceId e ) throws AlignmentException {
 	TYPE type = nslist.get( e.getURI() );