DS Catalog:SPARQL Query Service/example queries: Difference between revisions

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               ?hasDateLastUpdated ?lastUpdated ;
               ?hasDateLastUpdated ?lastUpdated ;
               rdfs:label ?ds20RecordLabel .
               rdfs:label ?ds20RecordLabel .
  # filter results by a period of time when records were last updated
  FILTER ((?lastUpdated > "2023-01-01"^^xsd:dateTime) && (?lastUpdated < "2024-01-01"^^xsd:dateTime)).
    
    
  # display IIIF manifest URLs if present
   OPTIONAL { ?ds20Record ?hasIIIFManifest ?iiifManifest }
   OPTIONAL { ?ds20Record ?hasIIIFManifest ?iiifManifest }


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