Hi Piotr,
The disambiguation approach is documented (hopefully less poorly) in a
paper we wrote for I-SEMANTICS:
https://github.com/dbpedia-spotlight/dbpedia-spotlight/wiki/Publications
I short, the system uses the words in the input text as a "description" of
the entities that it is annotating. It turns out that in your initial
sentence, the words don't help the system too much. In the second, adding
Spain seems to push the system in the right direction.
Cheers,
Pablo
On Tue, Sep 25, 2012 at 1:22 PM, Piotr Idzikowski <[email protected]
> wrote:
> Hello.
> I am trying to use your web service. Usually it works great but I have
> found one big problem.
> When I enter this text:
> "i am in Madrid and after that i am going to Barcelona"
> Both Madrid and Barcelona are incorrectly annotated(Not as a city). Madrid
> is recognized as
> http://dbpedia.org/page/Madrid_(Spanish_Congress_Electoral_District) and
> Barcelona as: http://dbpedia.org/page/Province_of_Barcelona. The thing is
> that there are entities like: http://dbpedia.org/page/Madrid and
> http://dbpedia.org/page/Barcelona so why it wasn't annotated with these
> entities?
>
> No matter if it is annotate or candidates service.
> But adding ',Spain' string solves the problem:
> "i am in Madrid, Spain and after that i am going to Barcelona, Spain."
> There is also another problem with Barcelona: Searching 'Barcelona,
> Cataluña' is annotated as two entities.
> Maybe I am expecting too much? Or do something wrong - documentation for
> the rest service is rather poor.
>
> Regards
> Piotr
>
>
>
--
---
Pablo N. Mendes
http://pablomendes.com
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