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domain_model [2011/03/29 17:50] – [RDF Implementation] michaeldomain_model [2011/03/29 20:50] (current) – [RDF Implementation] michael
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   # Named graph: http://example.org/data/ML-Desc   # Named graph: http://example.org/data/ML-Desc
   @prefix dct: <http://purl.org/dc/terms/> .   @prefix dct: <http://purl.org/dc/terms/> .
-  @prefix dctype: <<http://purl.org/dc/dcmitype/> .+  @prefix dctype: <http://purl.org/dc/dcmitype/> .
      
   :MonaLisa dct:format dctype:StillImage ;   :MonaLisa dct:format dctype:StillImage ;
Line 75: Line 75:
   <http://example.org/data/ML-Anno> rdf:type dcprov:AnnotationSet .   <http://example.org/data/ML-Anno> rdf:type dcprov:AnnotationSet .
      
 +These triples describe two separate RDF graphs. 
      
 +{{:rdf-model.png|}}
  
 +The following table shows how some of the RDF resources map to their corresponding UML classes of the domain model.
 +
 +^ RDF      ^ UML       
 +| :MonaLisa dct:creator :LeonardoDaVinci .  | Description  |
 +| <ML-Desc>  dct:creator :BnF . | Annotation |
 +| <ML-Desc>    | Description Set |
 +| <ML-Anno>    | Annotation Set |
 +
 +Our example consists of two statements about the resource '':MonaLisa'', one about authorship of the resource, the other about its format. The graph ''<ML-Desc>'' containing these statements forms a Description Set. Annotations about this metadata are contained in a second graph, ''<ML-Anno>'', forming an Annotation Set.
 +
 +Statements that are part of this graph are considered annotations, i.e., statements about the provenance of the //metadata// of the original resource '':MonaLisa'', not the resource itself. The statement ''<ML-Desc> dct:creator :BnF .'' would mean that the Bibliothèque nationale de France created the description of the :MonaLisa (i.e., the metadata) contained in the graph ''<ML-Desc>'' as opposed to the creation of the :MonaLisa itself.
 ====== Issues and further Ideas ====== ====== Issues and further Ideas ======
    * Superclass of Description Set necessary? Domain/range problems in OWL, could be circumvented by property/chain inclusion?    * Superclass of Description Set necessary? Domain/range problems in OWL, could be circumvented by property/chain inclusion?
  
  
domain_model.1301421036.txt.gz · Last modified: 2011/03/29 17:50 by michael

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