> I suppose the DBpedia SPARQL endpoint includes only a subset of the
> interlanguage links?
Yes, there is quite a bit of variation in which interlanguage links are
included in which endpoint. I'm only using the English -> Dutch links
myself, which are only included in the Dutch endpoint.
So I guess that to support all languages you would have to load the
interlanguage triples yourself. Perhaps someone with more experience
would be willing to lend their perspective on the matter.
Best,
Alex
On 27-6-2013 14:30, Alberto Reggiori wrote:
> Thank you Alex
>
> Yes of course using the SPARQL endpoint is an option - however it seems
> working for a subset of the currently support DBPedia 3.8 languages
>
> For example the following query does not return any result:
>
> SELECT ?enuri
>
> WHERE {?enuri owl:sameAs <http://ro.dbpedia.org/resource/Petrobras> .}
>
> While there is a valid page at http://ro.wikipedia.org/wiki/Petrobras and the
> property it is in the corresponding interlanguage_links_same_as_ro file [1]
>
> I suppose the DBpedia SPARQL endpoint includes only a subset of the
> interlanguage links?
>
>
> Regards
>
> Alberto
>
> [1] http://downloads.dbpedia.org/3.8/ro/interlanguage_links_same_as_ro.nt.bz2
>
> On 27 Jun 2013, at 12:42, Alex Olieman <[email protected]> wrote:
>
>> Hi Alberto,
>>
>> I'm not sure about integrating this feature into Spotlight, but if you
>> would like to use an existing web service to "translate" identifiers,
>> you could a DBpedia SPARQL endpoint.
>>
>> Using the English endpoint (http://dbpedia.org/sparql), such a query
>> looks like this:
>>
>> SELECT ?enuri
>>
>> WHERE {?enuri owl:sameAs <http://pt.dbpedia.org/resource/%s> .}
>>
>> When I try this with the example
>> <http://pt.dbpedia.org/resource/Amsterdão>, the result is
>> <http://dbpedia.org/resource/Amsterdam>. You should be able to reverse
>> the query pattern to find more interlanguage links on the Portugese
>> endpoint, but currently it seems that http://pt.dbpedia.org/sparql has
>> not loaded the interlanguage links.
>>
>> Using a SPARQL endpoint can, of course, be inefficient compared to using
>> the dataset file, but it may be more convenient for your use case. You
>> might consider setting up a local cache for the links so you are not
>> needlessly querying an endpoint. I've done a basic implementation in
>> Python, so if you decide to take this route I can provide you with some
>> more details.
>>
>> Kind regards,
>> Alex
>>
>>
>> On 27-6-2013 2:45, Alberto Reggiori wrote:
>>> hi all
>>>
>>> I am wondering if there is any way to make a localised DBPedia Spotlight
>>> installation to use the DBPedia interlanguage links (i.e.
>>> interlanguage_links_*_<lang>.nt.bz2) to annotate a multilingual text with
>>> one or more language equivalent concepts.
>>>
>>> For example, given a piece of text in Portuguese, once a set of one or more
>>> concepts like http://pt.dbpedia.org/resource/<concept-id> have been
>>> extracted I would like (where/it available) to obtain together with general
>>> annotations a list of one or more shortcuts/references to for example the
>>> corresponding English concepts in the
>>> http://dbpedia.org/resource/<some-other-concept-id> namespace.
>>>
>>> I am not considering running multiple local DBPedia Spotlight installations
>>> in different language - and I would rather leverage existing cloud/web
>>> services.
>>>
>>> How hard would it be to add such feature in the existing scala/java+lucene
>>> stack?
>>>
>>>
>>> Thank you for any hint
>>>
>>> Regards
>>>
>>> Alberto
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