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[protege-discussion] n-aire property

Jonathan Carter jonathan.carter at
Thu Jan 22 03:32:20 PST 2009


To associate attributes with a relation, you need to use a reified  
relation or from the object world, a link-class.
There are some examples in the base set of classes - see :DIRECTED- 
Basically, you create a class to hold all the attributes (slots) that  
you need on the relation and have an additional pair of slots that are  
Instance slots that hold the drug and the context in your example.  
Create an inverse_slot on each of these and your drug class and  
context class will have a slot in which the relation is held.

Hope this helps


Jonathan Carter - Head of Technical Architecture
Enterprise Architecture Solutions Ltd

Assess your EA maturity at:

On 22 Jan 2009, at 10:30, AFIFA KHELIFA wrote:

> I'm begining with ontology. i try to find how can i add n-aire  
> property and binary property with attrbute. for example i have a  
> relation between  context and drug and i want to indicate the  cost  
> of the drug for this context. please reply me because i cant do  
> this.  thank you
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