<metric>
    <acronym>RFC</acronym>
    <title>Response for Class</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=”methodSignature”>
			<math:expression>
				<linkLong name="responseSet"/>
          				<add datatype="set">
						<lingString name=” methodSignature” />
	         		 	</add>
				</linkLong>
			</math:expression>
		</visitor>
	</dmmQuery> 
    </computation>
  </metric>
