[xtm-wg] Feedback on Processing Requirements F3.2

["Luis J. Martinez" <luisjm@luisjm.com>]

F.3.2 Equivalence of <instanceOf> and <association> contains that
is an XTM Error when:
The Class role is played by a topic with an addressable subject. 

I interpret that a topic with an addressable subject is considered a
concrete topic which can not play the abstract Class role in a
Class-Instance association.

I don't find this necessary. A topic representing the Human concept
can have an addressable subject in a comprehensive ontology. But, that
does prevent the topic being used as an abstract meaning in a topic
map.

I think that being abstract in the semantics of Topic Map and being
abstract in the semantics of the knowledge represented be a topic maps
are TWO different things. Even if a topic does not have a addressable
subject indicator, it still has an implied Subject. I don't think that
subject indication has anything to do with inheritance. 

So, I think that a topic can play the role of Class in a
Class-Instance association regardless if it contains a addressable
subject or not.

Best regards,

--
Luis J. Martinez
IT Consultant
tel:  201-583-0330
cell: 201-401-4816
email: luisjm@luisjm.com
http://www.luisjm.com

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