On Thu, Jan 10, 2013 at 5:40 PM, Julien Cojan <[email protected]> wrote:
> Hi,
>
> ------------------------------
>
> *De: *"Dimitris Kontokostas" <[email protected]>
> *À: *"Tom Morris" <[email protected]>
> *Cc: *[email protected]
> *Envoyé: *Dimanche 6 Janvier 2013 21:25:32
> *Objet: *Re: [Dbpedia-discussion] literatur extraction
>
>
> Dear Robert, Tom,
>
> The default behaviour for template extraction is to attach the template
> properties to the main resource while what you are looking for is actually
> a "blank node" with the template properties attached to the main resource.
> It is not currently supported by the framework but can be implemented
> easily with a custom extractor.
>
> Wouldn't it work with an intermediate node in a mapping ?
> As I understand custom mappings are needed when some template entries
> don't have an attribute name. This doesn't seem to be the case with the
> template Literatur <http://de.wikipedia.org/wiki/Vorlage:Literatur>.
>
Hi Julien,
IntermediateNodeMapping [1] is defined to work inside a templateMapping and
I haven't tested if it works as standalone mapping
Although this might work, I don't think we should define similar mappings
unless we solve the duplicate ref problem.
The way I see it the same ref can be 'ref'ed from multiple articles or even
exist as a Wikipedia entry itself so unless we add some custom code we will
end up with multiple "same" resources with different URIs
[1] http://mappings.dbpedia.org/index.php/Template:IntermediateNodeMapping
>
> This could be a nice to have feature but is not in our immediate
> priorities.
> However, we could help you / give you directions if you want to implement
> it. (the tricky part would be to process the data to locate duplicates)
>
> @Tom
> As for the integer problem, this is a common behaviour for the infobox
> extractor where type is inferred with heuristics.
> Custom extractors and the mappings extractor do not have this problem.
>
> Best regards,
> Dimitris Kontokostas
>
>
> On Fri, Jan 4, 2013 at 4:28 PM, Tom Morris <[email protected]> wrote:
>
>> On Fri, Jan 4, 2013 at 6:54 AM, Robert Glaß <[email protected]>
>> wrote:
>> > Dear dbpedia team,
>> >
>> > I have a question concerning the extraction of literatur information
>> > from wikipedia pages.
>> > How can I get an integrated view of the information concerning the data
>> > inside the literature template.
>>
>> I don't know the answer, but there are more problems than just the
>> fact that the property values aren't grouped together. The ISBNs are
>> being corrupted because they're extracted as integers instead of
>> strings and the author property is all author names together rather
>> than individual values for each author.
>>
>> Tom
>>
>>
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>
>
>
> --
> Kontokostas Dimitris
>
>
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