@Friedrich

It would be a poor substitute for a negation implementation :)


@Micru :
It does not mix sources and statements, it is an additional information about a statement, so qualifiers seems to be the good tool for that. Of course if someone want to reason with Wikidata datas it requires a special treatment or semantics, but it seems fine as it would be inline in a text : "PPP is probably the author of WWW, but the expert EEE disputes that"<ref probably><ref dispute> seems a sentence you could see in a Wikipedia article which is rather NPOV an cites his sources properly.



2014-05-06 16:49 GMT+02:00 Friedrich Röhrs <f.roehrs@mis.uni-saarland.de>:
Hi,

These sort of things could also be modeled with another statement and opposite properties.

If there is one Statement with the claim Chopin -- creator_of --> Nr. 17 with multiple source (Kobylańska and others), another statement with the claim Chopin -- not_creator_of --> Nr. 17 with a source (Chomińsk) can be added.

I dont know if this sort of properties is wanted though.


On Tue, May 6, 2014 at 2:06 PM, David Cuenca <dacuetu@gmail.com> wrote:
On Tue, May 6, 2014 at 1:37 PM, Thomas Douillard <thomas.douillard@gmail.com> wrote:
We could create a new qualifier like ''contradicted by'' or ''disputed by''. The sourcs are a problem though as we can source only the totality of a claim, not only a qualifier of this claim, so we would have to source all the sources for the claim and it's disputation sources in the source without order..

I have mixed feelings about that... it is good because it doesn't require any development, it isn't that good because it mixes claim and source...
And having a "reference rank" to indicate if the source is "supporting", "against" or "unsure" about the claim seems too much work for the number of times that such feature would be needed....

Thanks,
Micru

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