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Re: [ontolog-forum] Next steps in using ontologies as standards

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "opensource@xxxxxxxxxxxxx" <opensource@xxxxxxxxxxxxx>
Date: Sun, 18 Jan 2009 15:33:17 +0100
Message-id: <49733DAD.6080109@xxxxxxxxxxxxx>
Pat Hayes wrote:
> Ali Hashemi wrote:
>> We're not /combining/ ontologies, we're linking them in useful ways.
> Well, that sounds nice, but until you clarify what you mean, its 
> impossible to evaluate it. What does it mean to /link/ as opposed to 
> /combine/ ontologies? I take it that 'combine' means simply to take 
> two sets of axioms and make them into one set. This is the (admittedly 
> very basic and elementary) sense implied by the OWL 'import' 
> primitive, where one ontology can 'combine another ontology into 
> itself. I have never seen any more nuanced or subtle form of 
> combination or 'linking' ever precisely defined.    (01)

While I agree to Pat's comment about the evaluation quality there is 
something else that is important with providing "similarity" relations 
in a *Harmonisation* scenario. Even though formalism is lacking such 
relations could be of great usefulness for ontology authors when looking 
for previous work and good ideas. When adding a goal of harmonisation, 
i.e reducing unnecessary  work, especially for untrained ontology 
workers,  such comparative functionalities could be of high value.Ex Web 
search and wikipedia kind of linking, while lacking formalist they 
provide high values to many.    (02)

Many unexperienced ontology workers or modelers have little to no 
knowledge of the wast amount of work that already has been performed in 
various group so what happens? Intellectual work is redone, often with 
the effect of *reduced* ontological  quality since a new team often dont 
have the ability to repeat all deep thoughts performed by ontological 
experts with time on their hands.    (03)

Preparing and planning for harmonisation is one possibility to use when 
trying to circumvent some of the locks (often mental) that 
standardisation or the creation of *one*, *single* or *common to all* 
ontological elements.    (04)

/Anders W. Tell    (05)

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