# Deskriptive Metadaten / #PolonskyGerman
#
# Autor: David Maus <maus@hab.de>
# Timestamp: <2019-01-21 13:48:05 maus>
#

namespace rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"

include "shared-dc.rnc"

start =
   element rdf:Description {
      requiredMetadata
    & optionalMetadata
   }

requiredMetadata = empty

optionalMetadata =
   property.title?
 & property.creator*
 & property.contributor*
 & property.language*
 & property.spatial*
 & property.date*
 & property.description*