Domain Range retriction and Sparql querry

[Deepjyoti]

In an ontology I have two classes, "Dress" and "Ornaments". One object
property associatedGender connects them to a class "Gender".
I have modeled the domain for associatedGender is union of Dress and
Ornaments; the range for associatedGender is Gender.

I have loaded the ontology to a Apache Jena Fuseki server to run queries.
When I run a query to find out Ornaments and their associatedGender, in the
result I also get Individuals from the class Dress.

Is it because I have et the domain for the property associatedGender as
union of Dress and Ornaments I am getting such result?

What should be the better option to connect the associatedGender property
with Dress and Ornaments class so that the query results do not overlap.



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[Biswanath Dutta]

Hi Deepjyoti, 

     Would you mind to post the SPARQL query here? 

Bests,

Biswanath 

On Mon 11 Nov, 2019, 6:33 PM Deepjyoti, <[hidden email]> wrote:

In an ontology I have two classes, "Dress" and "Ornaments". One object
property associatedGender connects them to a class "Gender".
I have modeled the domain for associatedGender is union of Dress and
Ornaments; the range for associatedGender is Gender.

I have loaded the ontology to a Apache Jena Fuseki server to run queries.
When I run a query to find out Ornaments and their associatedGender, in the
result I also get Individuals from the class Dress.

Is it because I have et the domain for the property associatedGender as
union of Dress and Ornaments I am getting such result?

What should be the better option to connect the associatedGender property
with Dress and Ornaments class so that the query results do not overlap.



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[Deepjyoti]

Dr Biswanath Dutta sir, here is a sample query,

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix owl: <http://www.w3.org/2002/07/owl#>
prefix otd: <http://www.semanticweb.org/deep/ontologies/2018/4/otd#>

SELECT   ?Ornaments ?Gender
WHERE {
  ?Ornaments otd:associatedGender ?Gender. }



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[Biswanath Dutta]

Dear Deepjyoti, 

So, the problem is with the query it seems. 

I tried to reproduce the result. 

Try with the following Query [replace ?x, ?y with the variables you wish to. BUT make sure you have the same class the one is written in the first line  i.e., "?x a :Ornament" of the following query.]: 

SELECT ?x ?y
WHERE { ?x a :Ornament .
                             ?x :associatedGender ?y .
} 

Hope this will solve your problem. 

Bests,

Biswanath 

On Mon, Nov 11, 2019 at 7:12 AM Deepjyoti <[hidden email]> wrote:

Dr Biswanath Dutta sir, here is a sample query,

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix owl: <http://www.w3.org/2002/07/owl#>
prefix otd: <http://www.semanticweb.org/deep/ontologies/2018/4/otd#>

SELECT   ?Ornaments ?Gender
WHERE {
  ?Ornaments otd:associatedGender ?Gender. }



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[Deepjyoti]

Thanks Dr Biswanath Dutta Sir,
It worked.



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