<metric>
    <acronym>NOC</acronym>
    <title>Number of Children</title>
    <authority>
      <authors name="C&K" date="1994" />
    </authority>
    <computation>
	<dmmQuery>
		<visitor scope="class">
			<variable name="responseSet" type="list" scope="class" />
		</visitor>
		<visitor scope="method" variableName=”m”>
			<math:expression>
				<linkList name="responseSet"/>
          				<add datatype="string">
						<lingString name=”m” />
	         		 	</add>
				</linkLong>
			</math:expression>
		</visitor>

		<visitor scope="formalParameter" variableName=”p”>
			<math:expression>
				<linkLong name="responseSet"/>
          				<add datatype="string">
						<lingString name=”p” />
	         		 	</add>
				</linkLong>
			</math:expression>
		</visitor>

		<visitor scope="variables" variableName=”v”>
			<math:expression>
				<linkLong name="responseSet"/>
          				<add datatype="string">
						<lingString name=”v” />
	         		 	</add>
				</linkLong>
			</math:expression>
		</visitor>
	</dmmQuery> 
    </computation>
  </metric>
