<?xml version="1.0" encoding="UTF-8"?><!-- $Id: datatypes.xsd,v 1.1 2006/05/23 23:03:14 wbeeler Exp $ -->
<!--
    This schema is generated from a Generic Schema Definition (GSD)
    by gsd2xsl. Do not edit this file.
  -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"  xmlns="urn:hl7-org:v3" targetNamespace="urn:hl7-org:v3">
  <xs:annotation>
      <xs:documentation>
           Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006 Health Level Seven.
           All rights reserved.

           Redistribution and use in source and binary forms, with or
           without modification, are permitted provided that the following
           conditions are met:
           1. Redistributions of source code must retain the above
              copyright notice, this list of conditions and the following
              disclaimer.
           2. Redistributions in binary form must reproduce the above
              copyright notice, this list of conditions and the following
              disclaimer in the documentation and/or other materials
              provided with the distribution.
           3. All advertising materials mentioning features or use of this
              software must display the following acknowledgement:
           
           This product includes software developed by Health Level Seven.
 
           THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS
           ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
           NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
           FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT
           SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
           INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
           DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
           GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
           INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
           WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
           NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
           OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
           DAMAGE.
        
           Generated by $Id: datatypes.xsd,v 1.1 2006/05/23 23:03:14 wbeeler Exp $
</xs:documentation>
  </xs:annotation>
  <xs:include schemaLocation="datatypes-base_hcgv08.xsd"/>
  <!--
      Instantiated templates
    -->
  <xs:complexType name="PIVL_TS">
    <xs:annotation>
      <xs:documentation>
            Note: because this type is defined as an extension of SXCM_T,
            all of the attributes and elements accepted for T are also
            accepted by this definition.  However, they are NOT allowed
            by the normative description of this type.  Unfortunately,
            we cannot write a general purpose schematron contraints to
            provide that extra validation, thus applications must be
            aware that instance (fragments) that pass validation with
            this might might still not be legal.
         </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="SXCM_TS">
        <xs:sequence>
          <xs:element name="phase" minOccurs="0" maxOccurs="1" type="IVL_TS">
            <xs:annotation>
              <xs:documentation>
                        A prototype of the repeating interval specifying the
                        duration of each occurrence and anchors the periodic
                        interval sequence at a certain point in time.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="period" minOccurs="0" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                        A time duration specifying a reciprocal measure of
                        the frequency at which the periodic interval repeats.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
        <xs:attribute name="alignment" type="CalendarCycle" use="optional">
          <xs:annotation>
            <xs:documentation>
                     Specifies if and how the repetitions are aligned to
                     the cycles of the underlying calendar (e.g., to
                     distinguish every 30 days from "the 5th of every
                     month".) A non-aligned periodic interval recurs
                     independently from the calendar. An aligned periodic
                     interval is synchronized with the calendar.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="institutionSpecified" type="bl" use="optional" default="false">
          <xs:annotation>
            <xs:documentation>
                     Indicates whether the exact timing is up to the party
                     executing the schedule (e.g., to distinguish "every 8
                     hours" from "3 times a day".)
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="EIVL_TS">
    <xs:annotation>
      <xs:documentation>
            Note: because this type is defined as an extension of SXCM_T,
            all of the attributes and elements accepted for T are also
            accepted by this definition.  However, they are NOT allowed
            by the normative description of this type.  Unfortunately,
            we cannot write a general purpose schematron contraints to
            provide that extra validation, thus applications must be
            aware that instance (fragments) that pass validation with
            this might might still not be legal.
         </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="SXCM_TS">
        <xs:sequence>
          <xs:element name="event" type="EIVL.event" minOccurs="0" maxOccurs="1">
            <xs:annotation>
              <xs:documentation>
                        A code for a common (periodical) activity of daily
                        living based on which the event related periodic
                        interval is specified.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="offset" minOccurs="0" maxOccurs="1" type="IVL_PQ">
            <xs:annotation>
              <xs:documentation>
                        An interval of elapsed time (duration, not absolute
                        point in time) that marks the offsets for the
                        beginning, width and end of the event-related periodic
                        interval measured from the time each such event
                        actually occurred.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVL_PQ">
    <xs:complexContent>
      <xs:extension base="SXCM_PQ">
        <xs:choice minOccurs="0">
          <xs:sequence>
            <xs:element name="low" minOccurs="1" maxOccurs="1" type="IVXB_PQ">
              <xs:annotation>
                <xs:documentation>
                           The low limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:choice minOccurs="0">
              <xs:element name="width" minOccurs="0" maxOccurs="1" type="PQ">
                <xs:annotation>
                  <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
              <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_PQ">
                <xs:annotation>
                  <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
            </xs:choice>
          </xs:sequence>
          <xs:element name="high" minOccurs="1" maxOccurs="1" type="IVXB_PQ">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
          <xs:sequence>
            <xs:element name="width" minOccurs="1" maxOccurs="1" type="PQ">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_PQ">
              <xs:annotation>
                <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
          <xs:sequence>
            <xs:element name="center" minOccurs="1" maxOccurs="1" type="PQ">
              <xs:annotation>
                <xs:documentation>
                           The arithmetic mean of the interval (low plus high
                           divided by 2). The purpose of distinguishing the center
                           as a semantic property is for conversions of intervals
                           from and to point values.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="width" minOccurs="0" maxOccurs="1" type="PQ">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_PQ">
    <xs:complexContent>
      <xs:extension base="PQ">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVXB_PQ">
    <xs:complexContent>
      <xs:extension base="PQ">
        <xs:attribute name="inclusive" type="bl" use="optional" default="true">
          <xs:annotation>
            <xs:documentation>
                     Specifies whether the limit is included in the
                     interval (interval is closed) or excluded from the
                     interval (interval is open).
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="PPD_TS">
    <xs:annotation>
      <xs:appinfo>
        <diff>PPD_PQ</diff>
      </xs:appinfo>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="TS">
        <xs:sequence>
          <xs:element name="standardDeviation" minOccurs="0" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                        The primary measure of variance/uncertainty of the
                        value (the square root of the sum of the squares of
                        the differences between all data points and the mean).
                        The standard deviation is used to normalize the data
                        for computing the distribution function. Applications
                        that cannot deal with probability distributions can
                        still get an idea about the confidence level by looking
                        at the standard deviation.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
        <xs:attribute name="distributionType" type="ProbabilityDistributionType" use="optional">
          <xs:annotation>
            <xs:documentation>
                     A code specifying the type of probability distribution.
                     Possible values are as shown in the attached table.
                     The NULL value (unknown) for the type code indicates
                     that the probability distribution type is unknown. In
                     that case, the standard deviation has the meaning of an
                     informal guess.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="PPD_PQ">
    <xs:annotation>
      <xs:appinfo>
        <diff>PPD_PQ</diff>
      </xs:appinfo>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="PQ">
        <xs:sequence>
          <xs:element name="standardDeviation" minOccurs="0" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                        The primary measure of variance/uncertainty of the
                        value (the square root of the sum of the squares of
                        the differences between all data points and the mean).
                        The standard deviation is used to normalize the data
                        for computing the distribution function. Applications
                        that cannot deal with probability distributions can
                        still get an idea about the confidence level by looking
                        at the standard deviation.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
        <xs:attribute name="distributionType" type="ProbabilityDistributionType" use="optional">
          <xs:annotation>
            <xs:documentation>
                     A code specifying the type of probability distribution.
                     Possible values are as shown in the attached table.
                     The NULL value (unknown) for the type code indicates
                     that the probability distribution type is unknown. In
                     that case, the standard deviation has the meaning of an
                     informal guess.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="PIVL_PPD_TS">
    <xs:annotation>
      <xs:documentation>
            Note: because this type is defined as an extension of SXCM_T,
            all of the attributes and elements accepted for T are also
            accepted by this definition.  However, they are NOT allowed
            by the normative description of this type.  Unfortunately,
            we cannot write a general purpose schematron contraints to
            provide that extra validation, thus applications must be
            aware that instance (fragments) that pass validation with
            this might might still not be legal.
         </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="SXCM_PPD_TS">
        <xs:sequence>
          <xs:element name="phase" minOccurs="0" maxOccurs="1" type="IVL_PPD_TS">
            <xs:annotation>
              <xs:documentation>
                        A prototype of the repeating interval specifying the
                        duration of each occurrence and anchors the periodic
                        interval sequence at a certain point in time.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="period" minOccurs="0" maxOccurs="1" type="PPD_PQ">
            <xs:annotation>
              <xs:documentation>
                        A time duration specifying a reciprocal measure of
                        the frequency at which the periodic interval repeats.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
        <xs:attribute name="alignment" type="CalendarCycle" use="optional">
          <xs:annotation>
            <xs:documentation>
                     Specifies if and how the repetitions are aligned to
                     the cycles of the underlying calendar (e.g., to
                     distinguish every 30 days from "the 5th of every
                     month".) A non-aligned periodic interval recurs
                     independently from the calendar. An aligned periodic
                     interval is synchronized with the calendar.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="institutionSpecified" type="bl" use="optional" default="false">
          <xs:annotation>
            <xs:documentation>
                     Indicates whether the exact timing is up to the party
                     executing the schedule (e.g., to distinguish "every 8
                     hours" from "3 times a day".)
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_PPD_TS">
    <xs:complexContent>
      <xs:extension base="PPD_TS">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVL_PPD_TS">
    <xs:complexContent>
      <xs:extension base="SXCM_PPD_TS">
        <xs:choice minOccurs="0">
          <xs:sequence>
            <xs:element name="low" minOccurs="1" maxOccurs="1" type="IVXB_PPD_TS">
              <xs:annotation>
                <xs:documentation>
                           The low limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:choice minOccurs="0">
              <xs:element name="width" minOccurs="0" maxOccurs="1" type="PPD_PQ">
                <xs:annotation>
                  <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
              <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_PPD_TS">
                <xs:annotation>
                  <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
            </xs:choice>
          </xs:sequence>
          <xs:element name="high" minOccurs="1" maxOccurs="1" type="IVXB_PPD_TS">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
          <xs:sequence>
            <xs:element name="width" minOccurs="1" maxOccurs="1" type="PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_PPD_TS">
              <xs:annotation>
                <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
          <xs:sequence>
            <xs:element name="center" minOccurs="1" maxOccurs="1" type="PPD_TS">
              <xs:annotation>
                <xs:documentation>
                           The arithmetic mean of the interval (low plus high
                           divided by 2). The purpose of distinguishing the center
                           as a semantic property is for conversions of intervals
                           from and to point values.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="width" minOccurs="0" maxOccurs="1" type="PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVXB_PPD_TS">
    <xs:complexContent>
      <xs:extension base="PPD_TS">
        <xs:attribute name="inclusive" type="bl" use="optional" default="true">
          <xs:annotation>
            <xs:documentation>
                     Specifies whether the limit is included in the
                     interval (interval is closed) or excluded from the
                     interval (interval is open).
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="EIVL_PPD_TS">
    <xs:annotation>
      <xs:documentation>
            Note: because this type is defined as an extension of SXCM_T,
            all of the attributes and elements accepted for T are also
            accepted by this definition.  However, they are NOT allowed
            by the normative description of this type.  Unfortunately,
            we cannot write a general purpose schematron contraints to
            provide that extra validation, thus applications must be
            aware that instance (fragments) that pass validation with
            this might might still not be legal.
         </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="SXCM_PPD_TS">
        <xs:sequence>
          <xs:element name="event" type="EIVL.event" minOccurs="0" maxOccurs="1">
            <xs:annotation>
              <xs:documentation>
                        A code for a common (periodical) activity of daily
                        living based on which the event related periodic
                        interval is specified.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="offset" minOccurs="0" maxOccurs="1" type="IVL_PPD_PQ">
            <xs:annotation>
              <xs:documentation>
                        An interval of elapsed time (duration, not absolute
                        point in time) that marks the offsets for the
                        beginning, width and end of the event-related periodic
                        interval measured from the time each such event
                        actually occurred.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVL_PPD_PQ">
    <xs:complexContent>
      <xs:extension base="SXCM_PPD_PQ">
        <xs:choice minOccurs="0">
          <xs:sequence>
            <xs:element name="low" minOccurs="1" maxOccurs="1" type="IVXB_PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The low limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:choice minOccurs="0">
              <xs:element name="width" minOccurs="0" maxOccurs="1" type="PPD_PQ">
                <xs:annotation>
                  <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
              <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_PPD_PQ">
                <xs:annotation>
                  <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
            </xs:choice>
          </xs:sequence>
          <xs:element name="high" minOccurs="1" maxOccurs="1" type="IVXB_PPD_PQ">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
          <xs:sequence>
            <xs:element name="width" minOccurs="1" maxOccurs="1" type="PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
          <xs:sequence>
            <xs:element name="center" minOccurs="1" maxOccurs="1" type="PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The arithmetic mean of the interval (low plus high
                           divided by 2). The purpose of distinguishing the center
                           as a semantic property is for conversions of intervals
                           from and to point values.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="width" minOccurs="0" maxOccurs="1" type="PPD_PQ">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_PPD_PQ">
    <xs:complexContent>
      <xs:extension base="PPD_PQ">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVXB_PPD_PQ">
    <xs:complexContent>
      <xs:extension base="PPD_PQ">
        <xs:attribute name="inclusive" type="bl" use="optional" default="true">
          <xs:annotation>
            <xs:documentation>
                     Specifies whether the limit is included in the
                     interval (interval is closed) or excluded from the
                     interval (interval is open).
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXPR_TS">
    <xs:complexContent>
      <xs:extension base="SXCM_TS">
        <xs:sequence>
          <xs:element name="comp" minOccurs="2" maxOccurs="unbounded" type="SXCM_TS">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_CD">
    <xs:complexContent>
      <xs:extension base="CD">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_MO">
    <xs:complexContent>
      <xs:extension base="MO">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_INT">
    <xs:complexContent>
      <xs:extension base="INT">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SXCM_REAL">
    <xs:complexContent>
      <xs:extension base="REAL">
        <xs:attribute name="operator" type="SetOperator" use="optional" default="I">
          <xs:annotation>
            <xs:documentation>
                     A code specifying whether the set component is included
                     (union) or excluded (set-difference) from the set, or
                     other set operations with the current set component and
                     the set as constructed from the representation stream
                     up to the current point.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVL_INT">
    <xs:complexContent>
      <xs:extension base="SXCM_INT">
        <xs:choice minOccurs="0">
          <xs:sequence>
            <xs:element name="low" minOccurs="1" maxOccurs="1" type="IVXB_INT">
              <xs:annotation>
                <xs:documentation>
                           The low limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:choice minOccurs="0">
              <xs:element name="width" minOccurs="0" maxOccurs="1" type="INT">
                <xs:annotation>
                  <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
              <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_INT">
                <xs:annotation>
                  <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
            </xs:choice>
          </xs:sequence>
          <xs:element name="high" minOccurs="1" maxOccurs="1" type="IVXB_INT">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
          <xs:sequence>
            <xs:element name="width" minOccurs="1" maxOccurs="1" type="INT">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_INT">
              <xs:annotation>
                <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
          <xs:sequence>
            <xs:element name="center" minOccurs="1" maxOccurs="1" type="INT">
              <xs:annotation>
                <xs:documentation>
                           The arithmetic mean of the interval (low plus high
                           divided by 2). The purpose of distinguishing the center
                           as a semantic property is for conversions of intervals
                           from and to point values.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="width" minOccurs="0" maxOccurs="1" type="INT">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVXB_INT">
    <xs:complexContent>
      <xs:extension base="INT">
        <xs:attribute name="inclusive" type="bl" use="optional" default="true">
          <xs:annotation>
            <xs:documentation>
                     Specifies whether the limit is included in the
                     interval (interval is closed) or excluded from the
                     interval (interval is open).
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVL_REAL">
    <xs:complexContent>
      <xs:extension base="SXCM_REAL">
        <xs:choice minOccurs="0">
          <xs:sequence>
            <xs:element name="low" minOccurs="1" maxOccurs="1" type="IVXB_REAL">
              <xs:annotation>
                <xs:documentation>
                           The low limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:choice minOccurs="0">
              <xs:element name="width" minOccurs="0" maxOccurs="1" type="REAL">
                <xs:annotation>
                  <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
              <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_REAL">
                <xs:annotation>
                  <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
            </xs:choice>
          </xs:sequence>
          <xs:element name="high" minOccurs="1" maxOccurs="1" type="IVXB_REAL">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
          <xs:sequence>
            <xs:element name="width" minOccurs="1" maxOccurs="1" type="REAL">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_REAL">
              <xs:annotation>
                <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
          <xs:sequence>
            <xs:element name="center" minOccurs="1" maxOccurs="1" type="REAL">
              <xs:annotation>
                <xs:documentation>
                           The arithmetic mean of the interval (low plus high
                           divided by 2). The purpose of distinguishing the center
                           as a semantic property is for conversions of intervals
                           from and to point values.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="width" minOccurs="0" maxOccurs="1" type="REAL">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVXB_REAL">
    <xs:complexContent>
      <xs:extension base="REAL">
        <xs:attribute name="inclusive" type="bl" use="optional" default="true">
          <xs:annotation>
            <xs:documentation>
                     Specifies whether the limit is included in the
                     interval (interval is closed) or excluded from the
                     interval (interval is open).
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVL_MO">
    <xs:complexContent>
      <xs:extension base="SXCM_MO">
        <xs:choice minOccurs="0">
          <xs:sequence>
            <xs:element name="low" minOccurs="1" maxOccurs="1" type="IVXB_MO">
              <xs:annotation>
                <xs:documentation>
                           The low limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:choice minOccurs="0">
              <xs:element name="width" minOccurs="0" maxOccurs="1" type="MO">
                <xs:annotation>
                  <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
              <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_MO">
                <xs:annotation>
                  <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
                </xs:annotation>
              </xs:element>
            </xs:choice>
          </xs:sequence>
          <xs:element name="high" minOccurs="1" maxOccurs="1" type="IVXB_MO">
            <xs:annotation>
              <xs:documentation/>
            </xs:annotation>
          </xs:element>
          <xs:sequence>
            <xs:element name="width" minOccurs="1" maxOccurs="1" type="MO">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="high" minOccurs="0" maxOccurs="1" type="IVXB_MO">
              <xs:annotation>
                <xs:documentation>
                           The high limit of the interval.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
          <xs:sequence>
            <xs:element name="center" minOccurs="1" maxOccurs="1" type="MO">
              <xs:annotation>
                <xs:documentation>
                           The arithmetic mean of the interval (low plus high
                           divided by 2). The purpose of distinguishing the center
                           as a semantic property is for conversions of intervals
                           from and to point values.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="width" minOccurs="0" maxOccurs="1" type="MO">
              <xs:annotation>
                <xs:documentation>
                           The difference between high and low boundary. The
                           purpose of distinguishing a width property is to
                           handle all cases of incomplete information
                           symmetrically. In any interval representation only
                           two of the three properties high, low, and width need
                           to be stated and the third can be derived.
                        </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="IVXB_MO">
    <xs:complexContent>
      <xs:extension base="MO">
        <xs:attribute name="inclusive" type="bl" use="optional" default="true">
          <xs:annotation>
            <xs:documentation>
                     Specifies whether the limit is included in the
                     interval (interval is closed) or excluded from the
                     interval (interval is open).
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="HXIT_PQ">
    <xs:complexContent>
      <xs:extension base="PQ">
        <xs:sequence>
          <xs:element name="validTime" minOccurs="0" maxOccurs="1" type="IVL_TS">
            <xs:annotation>
              <xs:documentation>
                        The time interval during which the given information
                        was, is, or is expected to be valid. The interval can
                        be open or closed, as well as infinite or undefined on
                        either side.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="HXIT_CE">
    <xs:complexContent>
      <xs:extension base="CE">
        <xs:sequence>
          <xs:element name="validTime" minOccurs="0" maxOccurs="1" type="IVL_TS">
            <xs:annotation>
              <xs:documentation>
                        The time interval during which the given information
                        was, is, or is expected to be valid. The interval can
                        be open or closed, as well as infinite or undefined on
                        either side.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="BXIT_CD">
    <xs:complexContent>
      <xs:extension base="CD">
        <xs:attribute name="qty" type="int" use="optional" default="1">
          <xs:annotation>
            <xs:documentation>
                     The quantity in which the bag item occurs in its containing bag.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="BXIT_IVL_PQ">
    <xs:complexContent>
      <xs:extension base="IVL_PQ">
        <xs:attribute name="qty" type="int" use="optional" default="1">
          <xs:annotation>
            <xs:documentation>
                     The quantity in which the bag item occurs in its containing bag.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="SLIST_PQ">
    <xs:complexContent>
      <xs:extension base="ANY">
        <xs:sequence>
          <xs:element name="origin" minOccurs="1" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                     The origin of the list item value scale, i.e., the
                     physical quantity that a zero-digit in the sequence
                     would represent.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="scale" minOccurs="1" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                     A ratio-scale quantity that is factored out of the
                     digit sequence.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="digits" minOccurs="1" maxOccurs="1" type="list_int">
            <xs:annotation>
              <xs:documentation>
                     A sequence of raw digits for the sample values. This is
                     typically the raw output of an A/D converter.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="list_int">
    <xs:list itemType="int"/>
  </xs:simpleType>
  <xs:complexType name="SLIST_TS">
    <xs:complexContent>
      <xs:extension base="ANY">
        <xs:sequence>
          <xs:element name="origin" minOccurs="1" maxOccurs="1" type="TS">
            <xs:annotation>
              <xs:documentation>
                     The origin of the list item value scale, i.e., the
                     physical quantity that a zero-digit in the sequence
                     would represent.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="scale" minOccurs="1" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                     A ratio-scale quantity that is factored out of the
                     digit sequence.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="digits" minOccurs="1" maxOccurs="1" type="list_int">
            <xs:annotation>
              <xs:documentation>
                     A sequence of raw digits for the sample values. This is
                     typically the raw output of an A/D converter.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="GLIST_TS">
    <xs:complexContent>
      <xs:extension base="ANY">
        <xs:sequence>
          <xs:element name="head" minOccurs="1" maxOccurs="1" type="TS">
            <xs:annotation>
              <xs:documentation>
                     This is the start-value of the generated list. 
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="increment" minOccurs="1" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                     The difference between one value and its previous
                     different value. For example, to generate the sequence
                     (1; 4; 7; 10; 13; ...) the increment is 3; likewise to
                     generate the sequence (1; 1; 4; 4; 7; 7; 10; 10; 13;
                     13; ...) the increment is also 3.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
        <xs:attribute name="period" type="int" use="optional">
          <xs:annotation>
            <xs:documentation>
                     If non-NULL, specifies that the sequence alternates,
                     i.e., after this many increments, the sequence item
                     values roll over to start from the initial sequence
                     item value. For example, the sequence (1; 2; 3; 1; 2;
                     3; 1; 2; 3; ...) has period 3; also the sequence
                     (1; 1; 2; 2; 3; 3; 1; 1; 2; 2; 3; 3; ...) has period
                     3 too.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="denominator" type="int" use="optional">
          <xs:annotation>
            <xs:documentation>
                     The integer by which the index for the sequence is
                     divided, effectively the number of times the sequence
                     generates the same sequence item value before
                     incrementing to the next sequence item value. For
                     example, to generate the sequence (1; 1; 1; 2; 2; 2; 3; 3;
                     3; ...)  the denominator is 3.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="GLIST_PQ">
    <xs:complexContent>
      <xs:extension base="ANY">
        <xs:sequence>
          <xs:element name="head" minOccurs="1" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                     This is the start-value of the generated list. 
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="increment" minOccurs="1" maxOccurs="1" type="PQ">
            <xs:annotation>
              <xs:documentation>
                     The difference between one value and its previous
                     different value. For example, to generate the sequence
                     (1; 4; 7; 10; 13; ...) the increment is 3; likewise to
                     generate the sequence (1; 1; 4; 4; 7; 7; 10; 10; 13;
                     13; ...) the increment is also 3.
                  </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
        <xs:attribute name="period" type="int" use="optional">
          <xs:annotation>
            <xs:documentation>
                     If non-NULL, specifies that the sequence alternates,
                     i.e., after this many increments, the sequence item
                     values roll over to start from the initial sequence
                     item value. For example, the sequence (1; 2; 3; 1; 2;
                     3; 1; 2; 3; ...) has period 3; also the sequence
                     (1; 1; 2; 2; 3; 3; 1; 1; 2; 2; 3; 3; ...) has period
                     3 too.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="denominator" type="int" use="optional">
          <xs:annotation>
            <xs:documentation>
                     The integer by which the index for the sequence is
                     divided, effectively the number of times the sequence
                     generates the same sequence item value before
                     incrementing to the next sequence item value. For
                     example, to generate the sequence (1; 1; 1; 2; 2; 2; 3; 3;
                     3; ...)  the denominator is 3.
                  </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RTO_PQ_PQ">
    <xs:annotation>
      <xs:appinfo>
        <diff>RTO_PQ_PQ</diff>
      </xs:appinfo>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="QTY">
        <xs:sequence>
          <xs:element name="numerator" type="PQ">
            <xs:annotation>
              <xs:documentation>
                        The quantity that is being divided in the ratio.  The
                        default is the integer number 1 (one).
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="denominator" type="PQ">
            <xs:annotation>
              <xs:documentation>
                        The quantity that devides the numerator in the ratio.
                        The default is the integer number 1 (one).
                        The denominator must not be zero.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RTO_MO_PQ">
    <xs:annotation>
      <xs:appinfo>
        <diff>RTO_MO_PQ</diff>
      </xs:appinfo>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="QTY">
        <xs:sequence>
          <xs:element name="numerator" type="MO">
            <xs:annotation>
              <xs:documentation>
                        The quantity that is being divided in the ratio.  The
                        default is the integer number 1 (one).
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="denominator" type="PQ">
            <xs:annotation>
              <xs:documentation>
                        The quantity that devides the numerator in the ratio.
                        The default is the integer number 1 (one).
                        The denominator must not be zero.
                     </xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="UVP_TS">
    <xs:complexContent>
      <xs:extension base="TS">
        <xs:attribute name="probability" type="probability" use="optional">
          <xs:annotation>
            <xs:documentation>
               The probability assigned to the value, a decimal number
               between 0 (very uncertain) and 1 (certain).
            </xs:documentation>
          </xs:annotation>
        </xs:attribute>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
