mpeg7:summaryComponentType

<simpleType name="summaryComponentType">
  <union>
    <simpleType>
      <restriction base="NMTOKEN">
        <enumeration value="audio"/>
        <enumeration value="visual"/>
        <enumeration value="audioVisual"/>
        <enumeration value="textual"/>
        <enumeration value="keyAudioClips"/>
        <enumeration value="keyVideoClips"/>
        <enumeration value="keyAudioVisualClips"/>
        <enumeration value="keyFrames"/>
        <enumeration value="keySounds"/>
        <enumeration value="keyThemes"/>
      </restriction>
    </simpleType>
    <simpleType>
      <restriction base="mpeg7:termReferenceType"/>
    </simpleType>
  </union>
</simpleType>