Naicong,

You also have to bind the ?label variable in the WHERE clause. So it should look like:

*DELETE*{

    ?I rdfs:label ?label .

}

*WHERE*{

   ?I a ZTest:C1 .
   ?l rdfs:label ?label .

}


Gokhan


On 5/19/2011 2:42 PM, Li, Naicong wrote:

Hi,

I have a question about using DELETE in a SPARQL query. I have a test class _ZTest:C1,_which has an instance ZTest:C1_1, whose rdfs:label = "C1 1". I entered the following query in the SPARQL query window to test deleting the triple: ZTest:C1_1 rdfs:label "C1 1" :

*DELETE*{

    ?I rdfs:label ?label .

}

*WHERE*{

   ?I a ZTest:C1 .

}

The query passed syntax checking, and executed, but it did not delete the rdfs:label triple for ZTest:C1_1 .

Am I doing something wrong?  I am using TopBraid ME 3.3.2.

Thanks for your help.

Naicong

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