<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 3.0.2681.0 (2007-02-06 18:45).  
Contact www.ubmatrix.com
Copyright (c) 2002-2007 UBmatrix inc., All Rights Reserved
Produced on 2007-03-02 16:03:08
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ci="http://www.xbrl.us/patterns/2007/ComplexConcept" targetNamespace="http://www.xbrl.us/patterns/2007/ComplexConcept" elementFormDefault="qualified" attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="ComplexConcept-label.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="ComplexConcept-presentation.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="ComplexConcept-definition.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.us/fr/gaap/roles" schemaLocation="gaap-roles.xsd" />
  <element id="ci_Director" name="Director" substitutionGroup="xbrli:tuple" nillable="true">
    <complexType>
      <complexContent>
        <restriction base="anyType">
          <sequence>
            <element ref="ci:DirectorName" minOccurs="1" maxOccurs="1" />
            <element ref="ci:DirectorSalary" minOccurs="0" maxOccurs="1" />
            <element ref="ci:DirectorBonuses" minOccurs="0" maxOccurs="1" />
            <element ref="ci:DirectorFees" minOccurs="0" maxOccurs="1" />
            <element ref="ci:DirectorOptionsGrantedFairValue" minOccurs="0" maxOccurs="1" />
          </sequence>
          <attribute name="id" type="ID" use="optional" />
        </restriction>
      </complexContent>
    </complexType>
  </element>
  <element id="ci_DirectorBonuses" name="DirectorBonuses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_DirectorFees" name="DirectorFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_DirectorName" name="DirectorName" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_DirectorOptionsGrantedFairValue" name="DirectorOptionsGrantedFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_DirectorSalary" name="DirectorSalary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
  <element id="ci_SchedulueOfDirectorCompensationTextBlock" name="SchedulueOfDirectorCompensationTextBlock" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
</schema>
