diff --git a/debian/var/models/XML model example (in progress) b/debian/var/models/XML model example (in progress)
index f07cbf1..c1d5566 100644
--- a/debian/var/models/XML model example (in progress)	
+++ b/debian/var/models/XML model example (in progress)	
@@ -9,14 +9,14 @@
     </identity>
     <parameters id="0" date="0" author="Gaston Lagaffe">
        <modelization>
-           <max_thread>0</max_thread>
-           <max_cycles>13</max_cycles>
+           <max_thread value="0"/>
+           <max_cycles value="13"/>
        </modelization>
        <space>
-            <dimension>1</dimension>
-            <size>1</size>
-            <site_multiplicity>2</site_multiplicity>
-            <boundaries>0</boundaries>
+            <dimension value="1"/>
+            <size value="39"/>
+            <site_multiplicity value="2"/>
+            <boundaries/>
        </space>
     </parameters>
     <objects>aaa</objects>
@@ -26,5 +26,3 @@
     <ref>aaa</ref>
     <quote>aaa</quote>
 </gem-graph-model>
-
-
diff --git a/debian/var/models/XMLSchema example (in progress) b/debian/var/models/XMLSchema example (in progress)
index 2aaa8ac..c2a284e 100644
--- a/debian/var/models/XMLSchema example (in progress)	
+++ b/debian/var/models/XMLSchema example (in progress)	
@@ -1,4 +1,3 @@
-
 <?xml version="1.0"?>
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
 <xs:element name="gem-graph-model">
@@ -22,23 +21,46 @@
       <xs:element name="parameters"> 
              <xs:complexType>
              <xs:sequence>
-                     <xs:element name="modelization"> 
+                      <xs:element name="modelization"> 
                             <xs:complexType>
                             <xs:sequence>
-                                   <xs:element name="max_thread" type="xs:integer"/> 
-                                  <xs:element name="max_cycles" type="xs:integer"/> 
-                           </xs:sequence>
+                                   <xs:element name="max_thread"> 
+                                           <xs:complexType>
+                                                 <xs:attribute name="value"  type="xs:integer"/>
+                                         </xs:complexType>
+                                   </xs:element>
+                                   <xs:element name="max_cycles"> 
+                                           <xs:complexType>
+                                                 <xs:attribute name="value"  type="xs:integer"/>
+                                         </xs:complexType>
+                                  </xs:element>
+                          </xs:sequence>
                            </xs:complexType>
                      </xs:element>
 
                      <xs:element name="space"> 
                            <xs:complexType>
                            <xs:sequence>
-                                      <xs:element name="dimension" type="xs:integer"/> 
-                                      <xs:element name="size" type="xs:integer"/> 
-                                      <xs:element name="site_multiplicity" type="xs:integer"/> 
-                                      <xs:element name="boundaries" type="xs:integer"/> 
-                           </xs:sequence>
+                                   <xs:element name="dimension"> 
+                                           <xs:complexType>
+                                                 <xs:attribute name="value"  type="xs:integer"/>
+                                         </xs:complexType>
+                                  </xs:element>
+                                  <xs:element name="size"> 
+                                           <xs:complexType>
+                                                 <xs:attribute name="value"  type="xs:integer"/>
+                                         </xs:complexType>
+                                  </xs:element>
+                                  <xs:element name="site_multiplicity"> 
+                                           <xs:complexType>
+                                                 <xs:attribute name="value"  type="xs:integer"/>
+                                         </xs:complexType>
+                                  </xs:element>
+                                  <xs:element name="boundaries"> 
+                                           <xs:complexType>
+                                         </xs:complexType>
+                                  </xs:element>
+                            </xs:sequence>
                            </xs:complexType>
                     </xs:element>