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[protege-discussion] Necessary and Sufficient conditions in Protege-Frames/Protege-OWL

Samson Tu swt at stanford.edu
Mon Apr 28 09:33:14 PDT 2008


You can define such restrictions in OWL 1.1 (now renamed OWL 2.0, 
supported by Protege 4.0). In Protege frame or Protege OWL 3.x, you have 
to use rules to define them.

Samson


Kiran Dasari wrote:
> Hi Guys,
>  
> I am sorry. I have been repeatedly asking the same question from many 
> days. I thought I will be more clear with an example.
>  
> I have a restriction like :-
>  
> If temperature > 50C || temperature <10C, then situation is "abnormal"
> If temperature <40C && temperature >10C, then situation is "normal 
> condition" 
>  
> Simillarly I have one more restriction like
>  
> If temperature > 40C && Pressure > 100 psi, then situation is "abnormal"
>  
> I was wondering if I can create such restrictions in Protege-Frames or 
> will it be possible to create them in protege-owl,and if so how do I do 
> it. To my knowledge I know that we can't create such rules in 
> protege-frames. Please correct me if I am wrong.
>  
> I have the temperature and pressure values in a text file associated 
> with their respective sensor ID's.
> for example:-
>  
> 001|50|    -- 001 is the sensorID ; 50 is the measurement
> 002|30|
>  
> The sensor class in the ontology has subclasses like temperature sensor 
> and pressure sensor. The subclasses have properties like "hasSensorID" & 
> "hasMeasurement" using which I create individuals like tempsensor1, 
> tempsenor2 etc.
>  
> For example--
>  
> tempsensor1 -- hasSensorID 001 and hasMeasurement ..... ; In the 
> "hasMeasurement" property i am confused whether I need to give a 
> range or else leave it blank so that I can send the measurement from the 
> text file.  
>  
> There is also a situation class in the ontology with the "abnormal" , 
> "normal conditions" as individuals.
>  
> Now my question is, how do I check the  measurementvalues in the text 
> file using the "hasSensorID" values that I assigned to the sensors in 
> the ontology.
>  
> I will really appreciate it if someone can help me with a suggestion.
>  
> Thanks,
> Kiran
>  
> 
> 
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