-- XSD schema extracted from ITU-T H.761 (06/2011)

<!--
XML Schema for the NCL Language

This is NCL
Copyright: 2000-2005 LABORATORIO TELEMIDIA, All Rights Reserved.
See http://www.telemidia.puc-rio.br

Public URI: http://www.ncl.org.br/NCL3.0/profiles/CausalConnector.xsd
Author: TeleMidia Laboratory
Revision: 19/09/2006

-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" 
        xmlns:causalConnectorFunctionality="http://www.ncl.org.br/NCL3.0/CausalConnectorFunctionality"
        xmlns:connectorBase="http://www.ncl.org.br/NCL3.0/ConnectorBase"
        xmlns:structure="http://www.ncl.org.br/NCL3.0/Structure"
        xmlns:import="http://www.ncl.org.br/NCL3.0/Import"
        xmlns:profile="http://www.ncl.org.br/NCL3.0/CausalConnectorProfile"
        targetNamespace="http://www.ncl.org.br/NCL3.0/CausalConnectorProfile"
        elementFormDefault="qualified" attributeFormDefault="unqualified">
    
    <!-- import the definitions in the modules namespaces -->

    <import namespace="http://www.ncl.org.br/NCL3.0/CausalConnectorFunctionality" 
    schemaLocation="http://www.ncl.org.br/NCL3.0/modules/NCL30CausalConnectorFunctionality.xsd"/>
    <import namespace="http://www.ncl.org.br/NCL3.0/ConnectorBase" 
    schemaLocation="http://www.ncl.org.br/NCL3.0/modules/NCL30ConnectorBase.xsd"/>
    <import namespace="http://www.ncl.org.br/NCL3.0/Structure"
    schemaLocation="http://www.ncl.org.br/NCL3.0/modules/NCL30Structure.xsd"/>
    <import namespace="http://www.ncl.org.br/NCL3.0/Import"
    schemaLocation="http://www.ncl.org.br/NCL3.0/modules/NCL30Import.xsd"/>


  <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
  <!-- Structure                                                   -->
  <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
  <!-- extends ncl element -->

    <complexType name="nclType">
      <complexContent>
        <restriction base="structure:nclPrototype">
          <sequence>
            <element ref="structure:head" minOccurs="0" maxOccurs="1"/>
            <element ref="structure:body" minOccurs="0" maxOccurs="0"/>
          </sequence>
        </restriction>
      </complexContent>
    </complexType>

    <element name="ncl" type="profile:nclType" substitutionGroup="structure:ncl"/>

    <!-- extends head element -->

    <complexType name="headType">
      <complexContent>
        <extension base="structure:headPrototype">
          <all>
            <element ref="profile:connectorBase" />
          </all>
        </extension>
      </complexContent>
    </complexType>

    <element name="head" type="profile:headType" substitutionGroup="structure:head"/>

  <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
  <!-- XConnector                                                  -->
  <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
    <!-- extends connectorBase element -->

    <complexType name="connectorBaseType">
        <complexContent>
            <extension base="connectorBase:connectorBasePrototype">
              <choice minOccurs="0" maxOccurs="unbounded">
                 <element ref="profile:importBase"/> 
           <element ref="profile:causalConnector" />
              </choice>
            </extension>
        </complexContent>
    </complexType>


  <element name="connectorBase" type="profile:connectorBaseType" substitutionGroup="connectorBase:connectorBase"/>

  <element name="causalConnector" substitutionGroup="causalConnectorFunctionality:causalConnector"/>

  <element name="connectorParam" substitutionGroup="causalConnectorFunctionality:connectorParam"/>

  <element name="simpleCondition" substitutionGroup="causalConnectorFunctionality:simpleCondition"/>

  <element name="compoundCondition" substitutionGroup="causalConnectorFunctionality:compoundCondition"/>

  <element name="simpleAction" substitutionGroup="causalConnectorFunctionality:simpleAction"/>

  <element name="compoundAction" substitutionGroup="causalConnectorFunctionality:compoundAction"/>

  <element name="assessmentStatement" substitutionGroup="causalConnectorFunctionality:assessmentStatement"/>

  <element name="attributeAssessment" substitutionGroup="causalConnectorFunctionality:attributeAssessment"/>

  <element name="valueAssessment" substitutionGroup="causalConnectorFunctionality:valueAssessment"/>

  <element name="compoundStatement" substitutionGroup="causalConnectorFunctionality:compoundStatement"/>

  <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
  <!-- ImportBase                                                  -->
  <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->

  <element name="importBase" substitutionGroup="import:importBase"/>

</schema>