Formatted SDML

  
    module rentals is
    
      ;; This is actually a US VIN
      import cids:VehicleIdentificationNumber
    
      import xml
    
      @xml:base = <https://example.org/v/rentals>
      @dc:version = 2
      
      entity Class
    
      entity Vehicle is
        @skos:prefLabel = "Vehicle"@en
        
        identity vin -> VehicleIdentificationNumber
    
        ref rentalClass -> {1} Class
      end
    
      entity Location
    
      entity Customer
    
      entity Booking is
        identity bookingCode -> unknown
    
        ref bookingClass -> {1} Class
        ref vehicle -> {0..1} Vehicle
        ref from -> Location
        ref customer -> {1} Customer
      end
    
    end