diff --git a/public/0.1/qualityAde.xsd b/public/0.1/qualityAde.xsd
index 13a4464fdabe84c5fac9f13c032e81441d79a977..77ac51313db84f6500116df971f7fa52f338609d 100644
--- a/public/0.1/qualityAde.xsd
+++ b/public/0.1/qualityAde.xsd
@@ -155,7 +155,8 @@
 
 	<complexType name="EdgeList">
 		<sequence>
-			<element name="edge" type="qual:edgeType" maxOccurs="unbounded" />
+			<element name="edge" type="qual:edgeType"
+				maxOccurs="unbounded" />
 		</sequence>
 	</complexType>
 
@@ -197,12 +198,18 @@
 	<complexType name="GE_S_MULTIPLE_CONNECTED_COMPONENTS">
 		<sequence>
 			<element name="geometryId" type="string" />
-			<element name="components" type="qual:componentsType"
+			<element name="components" type="qual:ComponentList" />
+		</sequence>
+	</complexType>
+
+	<complexType name="ComponentList">
+		<sequence>
+			<element name="component" type="qual:componentType"
 				maxOccurs="unbounded" />
 		</sequence>
 	</complexType>
 
-	<complexType name="componentsType">
+	<complexType name="componentType">
 		<sequence>
 			<element name="polygonId" type="string" maxOccurs="unbounded" />
 		</sequence>
@@ -223,7 +230,7 @@
 
 	<complexType name="SEM_ATTRIBUTE_WRONG_VALUE">
 		<sequence>
-			<element name="childId" type="string" />
+			<element name="childId" type="string" minOccurs="0"/>
 			<element name="attributeName" type="string" />
 			<element name="generic" type="boolean" />
 		</sequence>
@@ -231,7 +238,7 @@
 
 	<complexType name="SEM_ATTRIBUTE_MISSING">
 		<sequence>
-			<element name="childId" type="string" />
+			<element name="childId" type="string" minOccurs="0" />
 			<element name="attributeName" type="string" />
 			<element name="generic" type="boolean" />
 		</sequence>