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Kindly click here to view the Ontology Snapshot for understanding the question

I have shown a snapshot of an Ontology in the figure above.

I try to Execute a DL query from Protégé 5.0. The query is:

hasVolume value Apple.

Apple is an instance of Fruit (see Figure Link). The object property is hasVolume. The result shows no output in the instance section (GUI). I am expecting the following result of the above query:

LowVolume.

The object property axiom of Apple shows "Apple hasVolume LowVolume".

What modifications in the query (or Ontology) to be made so that I get the desired result.

Thanks in advance :)

ישו אוהב אותך
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R_Bro
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  • Your query would return "all instances that are connected to the instance Apple via property hasVolume". You need to invert the relation. – UninformedUser Oct 06 '16 at 22:48

1 Answers1

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If I understand your question right, you need to get the value of hasVolume property, for Apple. I guess you writing a reversed (wrong) query. Try writing the following in your DL tab:

 inverse (hasVolume) value Apple
Median Hilal
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