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I have an example of this data and its rdf schema:

enter image description here

and the schema

    #Dimension - row 
  :GeographicalRegion 
     rdfs:subClassOf scovo:Dimension;    
     dc:title "Police force area, English region and Wales". 
        
   #Dimensions - columns 
  :CriminalOffenceType rdf:type owl:Class ;      
    rdfs:subClassOf scovo:Dimension .

When they load the data and try to present it with this schema

:Cleveland rdf:type crime:GeographicalRegion;    dc:title "Cleveland". 
  # skippinf the declarations of instances  of the other regions... 

 :Criminaldamage rdf:type :CriminalOffenceType;      dc:title "Criminal damage".
 :Drugoffences rdf:type :CriminalOffenceType;        dc:title "Drug offences".
 :Criminaldamage rdf:type :CriminalOffenceType;      dc:title "Criminal damage".
 :Drugoffences rdf:type :CriminalOffenceType;        dc:title "Drug offences".
 # skipping the declarations of instances  of the other offence types...

And for example after tha twe have

:ds1_27_10 rdf:type scovo:Item; 
     rdf:value **1,362;** 
     scovo:dataset :ds1; 
     **scovo:dimension :Drugoffences;** 
     scovo:dimension :Bedfordshire;  
     scovo:dimension :TP2008_09. 

:ds1_29_10 rdf:type scovo:Item; 
     rdf:value **4,766**; 
     scovo:dataset :ds1; 
     **scovo:dimension :Drugoffences;** 
     scovo:dimension :Essex;  
     scovo:dimension :TP2008_09.

SO the instances of this so called CriminalOffenceType class each of them are created with the same name multiple times equal to the number of rows. The problem is I am not sure I understand why and will appreciate any help. Why are we allowerd to use the same name for the instances? And also I think the reason in the schema CriminalOffenceType is of type owl:Class is just for the reason that we prevent CriminalOffenceType to be used both as type and instance. Is that true?

Regards, .

Tania Marinova
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  • honestly, I don't understand what exactly you're doing - you missed the part mentioning how and with which tool you generate the RDF data out of the Excel sheet. – UninformedUser Apr 13 '23 at 11:31
  • was done with Java but is not what iam asking - what Ido not understand is the schema and the why the rdf was constructed this way – Tania Marinova Apr 13 '23 at 11:44
  • I'm also not quite sure what you see as the issue. Expanding the shorthand notation with `;` you now have a triple `:ds1_27_10 scovo:dimension :Drugoffences` and another triple `:ds1_29_10 scovo:dimension :Drugoffences`. Is that not what you want, and if so, what do you want instead? Note that these are not "instances of the CriminalOffenceType class", it just denotes a (dimension) relation between the entity `ds1_27_10` and the entity `Drugoffences` and another dimension relation between `ds1_29_10` and `Drugoffences`. – Marijn Apr 13 '23 at 12:59
  • Thank you I think it is starting to make sense. Ypou can see my attempt to model a simpel dataset in .rdf here in this question https://stackoverflow.com/questions/76017242/modeling-dataset-in-rdf-format and will be thankful to comment, – Tania Marinova Apr 15 '23 at 13:30

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