Hi Vladimir, Mandar,
The mappings extractor can't handle nested templates:
http://sourceforge.net/p/dbpedia/mailman/message/32867924/ .
@Dimitris : I know this is on your to do list, any progress so far ?
Cheers,
Alexandru
On Wed, Feb 18, 2015 at 5:49 PM, Vladimir Alexiev <
vladimir.alex...@ontotext.com> wrote:
> Hi Mandar!
>
> Run these queries on http://yasgui.org/, selecting
> http://dbpedia.org/sparql as endpoint.
>
> First check the raw property dbo:released:
>
> PREFIX dbo: <http://dbpedia.org/ontology/>
> PREFIX dbp: <http://dbpedia.org/property/>
> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
> select * {?x a dbo:Film; dbp:released ?rel
> filter exists {?x rdfs:label ?lab filter(strstarts(?lab,"Act"))}}
> order by ?x limit 100
>
> As you can see many movies have it, but not Actrius.
> So Volha is right, the problem is that in that movie it's not a plain date.
>
> > How were you able to extract that information?
>
> It's in https://en.wikipedia.org/w/index.php?title=Actrius&action=edit:
> | release = {{Film date|1996|||}}
>
> I tried to make a mapping:
> http://mappings.dbpedia.org/index.php/Mapping_en:Film_date
> to extract release year and location (there can be several).
>
> But it doesn't extract anything. Maybe templates INSIDE template fields
> are not used for extraction?
> Issue: https://github.com/dbpedia/mappings-tracker/issues/46
> Test cases:
> http://mappings.dbpedia.org/index.php/Mapping_en_talk:Film_date
>
> If that's the case, we could map it to another date template here:
>
> https://github.com/dbpedia/extraction-framework/blob/master/core/src/main/scala/org/dbpedia/extraction/config/dataparser/DateTimeParserConfig.scala#L97
> But Volha, can it extract SEVERAL dates from one template?
>
>
>
>
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