- From: Ian Emmons <iemmons@bbn.com>
- Date: Mon, 2 Nov 2009 23:48:58 -0500
- To: Simon Reinhardt <simon.reinhardt@koeln.de>
- Cc: semantic-web@w3.org, public-lod@w3.org
- Message-Id: <50514F49-2BFB-491B-A270-1D545E8E696C@bbn.com>
Some tools, such as TopBraid Composer, do not behave well when the namespace-to-file mapping is not 1-to-1. This fact doesn't say anything about the right or wrong of your proposal, of course -- only about how easy it will be in practice. On Oct 26, 2009, at 10:25 AM, Simon Reinhardt wrote: > Hi, > > It is becoming somewhat popular for large ontologies to be split > into a core ontology file and module ontology files (which import > the core). Normally each module then gets its own namespace for the > terms defined in it. I was wondering though if that is too > complicated for users of the ontologies. I have seen confusion of > "sioc" and "sioct" (the prefixes for the SIOC core and the SIOC > Types module namespaces) and when such vocabularies get higher > adoption by people not so well versed with ontologies I can see it > happen a lot more often. > > So as an alternative I want to explore the idea of just using one > namespace shared between the core and the modules. The advantage > would be not having to guess which namespace to use. One > disadvantage for the developer(s) of the ontology is that a "local > name" can only be used in one of the modules or core, you can't use > the same "word" under a different namespace with a different > meaning. Another disadvantage is that if you want the terms to > dereference to the ontology files they have been defined in then you > can only do that with a "/" namespace (and you have to set up lots > of redirects). > > My questions: What do you think of that idea? Can you see any other > advantages or disadvantages? Do you think several namespaces are not > confusing at all? And what are the main advantages to splitting up > ontologies into modules other than being easier to organise? Do they > justify a higher burden on the ontology users? > > Thanks, > Simon
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Received on Tuesday, 3 November 2009 13:32:52 UTC