<xs:element name="keyword">
<xs:annotation>
<xs:documentation>Free-text term to be used for indexing or finding the content of text-based search engines</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:complexContent>
<xs:extension base="IntlStringType">
<xs:attribute name="role" use="optional" type="QCodeListType">
<xs:annotation>
<xs:documentation>A refinement of the semantics of the keyword - expressed by a QCode</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="roleuri" use="optional" type="IRIListType">
<xs:annotation>
<xs:documentation>A refinement of the semantics of the keyword - expressed by a URI</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attributeGroup ref="rankingAttributes" />
<xs:attribute name="confidence" type="Int100Type" use="optional">
<xs:annotation>
<xs:documentation>The confidence with which the metadata has been assigned.</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="relevance" type="Int100Type" use="optional">
<xs:annotation>
<xs:documentation>The relevance of the metadata to the news content to which it was attached.</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:complexContent>
</xs:complexType>
</xs:element>
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