Hi Roland,
Thanks for looking into this. We do need more people doing quality checks.
I wouldn't say that the overlap in infobox fields proves that they are
equivalent. It only shows evidence that they are related. In this
particular case, isn't writer a subproperty of author? Authors of songs
could be writers, composers, etc.? But authors of (textual) books are
writers?
I do not know the best way to handle this (Jona?), because I imagine that
before merging two properties in the ontology we need to make sure that all
infobox fields in all languages will still make sense after the merge.
Perhaps we need to flag every affected mapping (via discussion page?) &
alert the chapters to the change, which then need to give an ok at the
discussion page? Any better ideas?
Also, in this particular case it may be safer to "merge up" from the more
specific to the more generic, at the cost of losing information
(specificity).
Cheers
Pablo
On Nov 30, 2012 9:35 PM, "Roland Cornelissen" <metamatter...@gmail.com>
wrote:
> Hi,
>
> There are two distinct ObjectProperties mentioned in the DBpedia ontology
> that (imho) declare the same thing, those are:
>
> {{ObjectProperty
> | labels =
> {{label|en|author}}
> {{label|nl|auteur}}
> | rdfs:domain = Work
> | rdfs:range = Person
> | owl:equivalentProperty = schema:author
> }}
> and
> {{ObjectProperty
> | rdfs:label@en = writer
> | rdfs:label@el = σεναριογράφος
> | rdfs:domain = Work
> | rdfs:range = Person
> }}
>
> In a mapping [1] where both properties are found, they are mapped each to
> the same infobox-field. Which proves they are the same. Not sure if that
> always holds, but I would say that these properties need to be merged
> somehow.
>
> What would be the correct or best way to handle this?
> Any advice would be appreciated.
>
> Thanks
> Roland
>
> [1]
> http://mappings.dbpedia.org/index.php?title=Mapping_nl:Infobox_film&action=edit
>
> On 11/20/2012 12:23 AM, Roland Cornelissen wrote:
>
> Hi,
> I am adding Dutch labels to the ontology and in the process I'm changing
> the old notations to the new coding style.
> While working my way through a lot of properties i run into stuff like this:
>
> {{ObjectProperty
>
> | labels =
>
> {{label|en|person function}}
>
> {{label|nl|persoon functie}}
>
> | rdfs:range = PersonFunction
>
> }}
>
> In my opinion it would be more complete/precise if the rdfs:domain is
> declared (Person), because obviously this property is intended to
> connect Person to PersonFunction.
> I am tempted to add it to improve the ontology.
> What do you think; how to proceed in a situation like this?
>
> Thanks,
> Roland
>
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