<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:c="http://www.niso.org/schemas/counter" targetNamespace="http://www.niso.org/schemas/counter" elementFormDefault="qualified" version="4">
	<!-- DETAILS
		Schema: counterElements.xsd
		Major version: 4.0
		Purpose: This schema lists the enumerated elements referenced in the counter4_0.xsd.
			
		Change History (revision date|by|description of change)
		  5/30/2012	Oliver Pesch verified updates to version 4 and added Change History section
				CHANGES to schema from VERSION 3.0
					- Datatype Added
						- Collection (used for Multimedia Report 2)
						- Multimedia (used for Multimedia Report 1)
					- Category Added
						- Access_denied	(replaced 'Turnaways' in Access Denied reports)
					- Category Removed
						- Sessions  ('sessions' no longer supported by COUNTER)
						- Turnaways (replaced by 'Access_denied')
					- MetricTypes added
						- ft_ps_mobile  (used in "mobile" version of JR and TR reports)
						- ft_pdf_mobile
						- ft_html_mobile
						- ft_epub  (new metric type/format for JR and TR reports)
						- sectioned_html  (used in Book Report 2, Consortium Report 1 and Title Report 1 to differntiate extent of book content delivered)
						- record_view  (used in database reports)
						- result_click  (used in database reports)
						- turnaway  (used in Access Denied reports)
						- no_license  (used in Access Denied reports)
					- MetricTypes removed
						- session_fed ('sessions' no longer supported by COUNTER)
						- session_reg ('sessions' no longer supported by COUNTER)
	-->
	<xsd:simpleType name="IdentifierType">
		<xsd:annotation>
			<xsd:documentation>IdentifierType as defined at http://www.niso.org/workrooms/sushi/values/</xsd:documentation>
		</xsd:annotation>
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Online_ISSN"/>
			<xsd:enumeration value="Print_ISSN"/>
			<xsd:enumeration value="EISSN"/>
			<!-- Not an "official" identifier type, but included for backward compatibility. Use Online_ISSN -->
			<xsd:enumeration value="ISSN"/>
			<!-- Not an "official" identifier type, but included for backward compatibility. Use Print_ISSN -->
			<xsd:enumeration value="ISBN"/>
			<!-- Not an "official" identifier type, but included for backward compatibility. Use Print_ISBN or Online_ISBN -->
			<xsd:enumeration value="Online_ISBN"/>
			<xsd:enumeration value="Print_ISBN"/>
			<xsd:enumeration value="DOI"/>
			<xsd:enumeration value="Proprietary"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="DataType">
		<xsd:annotation>
			<xsd:documentation>DataType as defined at http://www.niso.org/workrooms/sushi/values/</xsd:documentation>
		</xsd:annotation>
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Journal"/>
			<xsd:enumeration value="Database"/>
			<xsd:enumeration value="Platform"/>
			<xsd:enumeration value="Book"/>
			<xsd:enumeration value="Collection"/>
			<xsd:enumeration value="Multimedia"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="Category">
		<xsd:annotation>
			<xsd:documentation>Category as defined at http://www.niso.org/workrooms/sushi/values/</xsd:documentation>
		</xsd:annotation>
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Requests"/>
			<xsd:enumeration value="Searches"/>
			<xsd:enumeration value="Access_denied"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="MetricType">
		<xsd:annotation>
			<xsd:documentation>MetricType as defined at http://www.niso.org/workrooms/sushi/values/</xsd:documentation>
		</xsd:annotation>
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="ft_ps"/>
			<xsd:enumeration value="ft_ps_mobile"/>
			<xsd:enumeration value="ft_pdf"/>
			<xsd:enumeration value="ft_pdf_mobile"/>
			<xsd:enumeration value="ft_html"/>
			<xsd:enumeration value="ft_html_mobile"/>
			<xsd:enumeration value="ft_epub"/>
			<xsd:enumeration value="ft_total"/>
			<xsd:enumeration value="sectioned_html"/>
			<xsd:enumeration value="toc"/>
			<xsd:enumeration value="abstract"/>
			<xsd:enumeration value="reference"/>
			<xsd:enumeration value="data_set"/>
			<xsd:enumeration value="audio"/>
			<xsd:enumeration value="video"/>
			<xsd:enumeration value="image"/>
			<xsd:enumeration value="podcast"/>
			<xsd:enumeration value="multimedia"/>
			<xsd:enumeration value="record_view"/>
			<xsd:enumeration value="result_click"/>
			<xsd:enumeration value="search_reg"/>
			<xsd:enumeration value="search_fed"/>
			<xsd:enumeration value="turnaway"/>
			<xsd:enumeration value="no_license"/>
			<xsd:enumeration value="other"/>
		</xsd:restriction>
	</xsd:simpleType>
</xsd:schema>