PREFIX dob: <http://placetime.com/interval/gregorian/1977-01-18T04:00:00Z/P> 
PREFIX time: <http://www.ai.sri.com/daml/ontologies/time/Time.daml#>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?desc
WHERE  { 
  dob:1D a time:ProperInterval;
         dc:description ?desc.
}