<schema 
xmlns="http://www.w3.org/2001/XMLSchema" 
targetNamespace="http://niem.gov/niem/external/ogc-observation/draft-0.14.5/swe/dhs-gmo/1.0.0" 
xmlns:swe="http://niem.gov/niem/external/ogc-observation/draft-0.14.5/swe/dhs-gmo/1.0.0" 
xmlns:gml="http://niem.gov/niem/external/ogc-gml/3.1.1/dhs-gmo/1.0.0"
elementFormDefault="qualified" attributeFormDefault="unqualified" version="pre-release">
	<annotation>
		<documentation>basicTypes.xsd
Some basic types (simpleContent) required in various places in OWS Sensor Web application schemas
Copyright © 2006 Open Geospatial Consortium - see http://www.opengeospatial.org/about/?page=ipr
OGC 05-087r4 page 78 © OGC 2006 – All rights reserved 

  DHS Changes:  
     		2006-09-28 Changed namespace
				ns old	http://niem.gov/niem/external/gml/3.1.1/dhs-gmo/1.0.0
				ns new	http://niem.gov/niem/external/ogc-gml/3.1.1/dhs-gmo/1.0.0	
  
    2006-09-22 Changed namespaces following NIEM conventions
		1) targetnamespace	http://niem.gov/niem/external/ogc-observation/draft-0.14.5/swe/dhs-gmo/1.0.0
		2) gml namespace 	http://niem.gov/niem/external/gml/3.1.1/dhs-gmo/1.0.0

    2006-09-18 versioned namespace,   
    versioned GML namespace


</documentation>
	</annotation>
	<!-- ====================================================================== -->
	<!-- ===== SimpleContent types ====== -->
	<!-- ====================================================================== -->
	<!-- ====================================================================== -->
	<!-- ===== some basic list types ====== -->
	<!-- ====================================================================== -->
	<simpleType name="refList">
		<list itemType="anyURI"/>
	</simpleType>
	<!-- ====================================================================== -->
	<simpleType name="nonNegativeIntegerList">
		<list itemType="nonNegativeInteger"/>
	</simpleType>
	<!-- ====================================================================== -->
	<simpleType name="doubleList">
		<list itemType="double"/>
	</simpleType>
	<!-- ====================================================================== -->
	<simpleType name="stringList">
		<annotation>
			<documentation>When appearing in a list context, internal whitespace is interpreted as an item
separator.
Strings may be represented in a list by escaping spaces as a (non-breaking space) entity.</documentation>
		</annotation>
		<list itemType="string"/>
	</simpleType>
	<!-- ====================================================================== -->
	<!-- ====================================================================== -->
	<simpleType name="UomIdentifier">
		<annotation>
			<documentation>Local copy of GML 3.2 uom identifier definition</documentation>
		</annotation>
		<union memberTypes="swe:UomSymbol swe:UomURI"/>
	</simpleType>
	<!-- ............ -->
	<simpleType name="UomSymbol">
		<restriction base="string">
			<pattern value="[^: \n\r\t]+"/>
		</restriction>
	</simpleType>
	<!-- ............ -->
	<simpleType name="UomURI">
		<restriction base="anyURI">
			<pattern value="([a-zA-Z][a-zA-Z0-9\-\+\.]*:|\.\./|\./|#).*"/>
		</restriction>
	</simpleType>
	<!-- ====================================================================== -->
	<!-- ====================================================================== -->
	<!-- ===== Types used for observation results ====== -->
	<!-- ====================================================================== -->
	<complexType name="ScopedNameType">
		<annotation>
			<documentation>Extension of string which also carries a codeSpace attribute.</documentation>
		</annotation>
		<simpleContent>
			<extension base="string">
				<attribute name="codeSpace" type="anyURI" use="required"/>
			</extension>
		</simpleContent>
	</complexType>
	<!-- ====================================================================== -->
	<complexType name="ScopedNameListType">
		<annotation>
			<documentation>Extension of stringList which also carries a codeSpace attribute.</documentation>
		</annotation>
		<simpleContent>
			<extension base="swe:stringList">
				<attribute name="codeSpace" type="anyURI" use="required"/>
				<attribute name="count" type="nonNegativeInteger" use="optional"/>
			</extension>
		</simpleContent>
	</complexType>
	<!-- ====================================================================== -->
	<complexType name="QualifiedMeasureType">
		<simpleContent>
			<extension base="double">
				<attribute name="uom" type="swe:UomIdentifier" use="required"/>
				<attribute name="qualifier" type="swe:MeasureQualifierCode" default="equals"/>
			</extension>
		</simpleContent>
	</complexType>
	<!-- ............ -->
	<simpleType name="MeasureQualifierCode">
		<annotation>
			<documentation xml:lang="en">This enumerated data type specifies values for qualified
measures.</documentation>
		</annotation>
		<union>
			<simpleType>
				<restriction base="string">
					<enumeration value="lessThan"/>
					<enumeration value="lessThanOrEquals"/>
					<enumeration value="equals"/>
					<enumeration value="greaterThanOrEquals"/>
					<enumeration value="greaterThan"/>
					<enumeration value="nil:inapplicable"/>
					<enumeration value="nil:missing"/>
					<enumeration value="nil:unknown"/>
					<enumeration value="nil:withheld"/>
				</restriction>
			</simpleType>
			<simpleType>
				<restriction base="string">
					<annotation>
						<documentation>fall-through qualifier expressed as "other:aaaaaaa"</documentation>
					</annotation>
					<pattern value="other:\w{2,}">
</pattern>
				</restriction>
			</simpleType>
			<simpleType>
				<restriction base="anyURI">
					<annotation>
						<documentation>Link to an external resource providing explanation</documentation>
					</annotation>
				</restriction>
			</simpleType>
		</union>
	</simpleType>
	<!-- =================================================================== -->
	<!-- ====================================================================== -->
	<!-- ====================================================================== -->
	<!-- ===== Soft-typed values and lists ====== -->
	<!-- ====================================================================== -->
	<complexType name="TypedValueType">
		<annotation>
			<documentation>A generic typed value</documentation>
		</annotation>
		<sequence>
			<element name="property" type="swe:ScopedNameType"/>
			<element name="value"/>
		</sequence>
	</complexType>
	<!-- ................ -->
	<element name="TypedValue" type="swe:TypedValueType"/>
	<!-- ................ -->
	<complexType name="TypedValuePropertyType">
		<sequence>
			<element ref="swe:TypedValue"/>
		</sequence>
	</complexType>
	<!-- ====================================================================== -->
	<!-- ====================================================================== -->
	<complexType name="IntervalType">
		<annotation>
			<documentation>A generic interval. The type of the two limits will normally be the same.
</documentation>
		</annotation>
		<sequence>
			<element name="lowerBound"/>
			<element name="upperBound"/>
		</sequence>
	</complexType>
	<!-- ................ -->
	<element name="Interval" type="swe:IntervalType"/>
	<!-- ................ -->
	<complexType name="IntervalPropertyType">
		<sequence>
			<element ref="swe:Interval"/>
		</sequence>
	</complexType>
	<!-- ====================================================================== -->
	<!-- ====================================================================== -->
	<complexType name="TypedValueListType">
		<annotation>
			<documentation>A generic typed list of value</documentation>
		</annotation>
		<sequence>
			<element name="property" type="swe:ScopedNameType"/>
			<element name="value" maxOccurs="unbounded"/>
		</sequence>
	</complexType>
	<!-- ................ -->
	<element name="TypedValueList" type="swe:TypedValueListType"/>
	<!-- ................ -->
	<complexType name="TypedValueListPropertyType">
		<sequence>
			<element ref="swe:TypedValueList"/>
		</sequence>
	</complexType>
	<!-- ====================================================================== -->
</schema>

• IntervalPropertyType
• IntervalType
• QualifiedMeasureType
• ScopedNameListType
• ScopedNameType
• TypedValueListPropertyType
• TypedValueListType
• TypedValuePropertyType
• TypedValueType

• Interval
• TypedValue
• TypedValueList

• MeasureQualifierCode
• UomIdentifier
• UomSymbol
• UomURI
• doubleList
• nonNegativeIntegerList
• refList
• stringList