<record>
  <controlfield tag="001">236</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">access control</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">RBAC</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">COM+</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">middleware</subfield>
  </datafield>
</record>