Even with rdf:type Work the song starting with "Pappu" is not among the
returned values.
Regards,
Venkatesh
On Thu, Oct 11, 2012 at 8:33 PM, Pablo N. Mendes <pablomen...@gmail.com>wrote:
>
> Good point, Tom.
>
> That article is in Category:Hindi_films, not Category:Hindi_songs and it's
>> a Film, not a song, so it's not going to meet the requirements of your
>> query.
>
>
> But maybe the class hierarchy comes to the rescue (Work is a supertype of
> Song and Film)?
>
> Select distinct * where { ?song <http://purl.org/dc/terms/subject> <
> http://dbpedia.org/resource/Category:Hindi_songs> . ?song rdf:type <
> http://dbpedia.org/ontology/Work> . ?song <
> http://dbpedia.org/ontology/artist> ?artist . ?song <
> http://dbpedia.org/ontology/runtime> ?runtime . filter
> (regex(str(?song),'P'))} limit 100
>
> Cheers,
> Pablo
>
> On Thu, Oct 11, 2012 at 4:15 PM, Tom Morris <tfmor...@gmail.com> wrote:
>
>>
>>
>> On Thu, Oct 11, 2012 at 9:48 AM, Venkatesh Channal <
>> venkateshchan...@gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I think I am still missing on how to query the information.
>>>
>>> On executing the query:
>>> SELECT * WHERE { ?s <http://purl.org/dc/terms/subject> <
>>> http://dbpedia.org/resource/Category:Hindi-language_films>. ?s
>>> rdf:type <http://dbpedia.org/ontology/Film> } LIMIT 100
>>>
>>> One of the values got was -
>>> http://dbpedia.org/resource/Jaane_Tu..._Ya_Jaane_Na.
>>>
>>> To find the information about all triples that has the film name as
>>> subject. The idea was to find song and singer of those songs. The query
>>> executed:
>>>
>>> select * where { <http://dbpedia.org/resource/Jaane_Tu..._Ya_Jaane_Na>
>>> ?p ?o . }
>>>
>>> One of the values returned is -
>>> http://dbpedia.org/property/title"Pappu Can't Dance"@en
>>>
>>> Here "Pappu Can't Dance"@en is a song.
>>>
>>> I executed the following query to find artist associated with the song
>>> that begin with the character 'P'. The song "Pappu Can't Dance" was
>>> not returned.
>>>
>>> Select distinct * where { ?song <http://purl.org/dc/terms/subject> <
>>> http://dbpedia.org/resource/Category:Hindi_songs> . ?song rdf:type <
>>> http://dbpedia.org/ontology/Song> . ?song <
>>> http://dbpedia.org/ontology/artist> ?artist . ?song <
>>> http://dbpedia.org/ontology/runtime> ?runtime . filter
>>> (regex(str(?song),'P'))} limit 100
>>>
>>> The correspong wikipedia link is -
>>> http://en.wikipedia.org/wiki/Jaane_Tu..._Ya_Jaane_Na
>>>
>>>
>> That article is in Category:Hindi_films, not Category:Hindi_songs and
>> it's a Film, not a song, so it's not going to meet the requirements of your
>> query. It looks like the DBpedia extractor attempted to extract as much
>> information as possible from the page, but that strategy, combined with the
>> way Wikipedians edit is causing confusion.
>>
>> Even the article contains infoboxes for both the film and the soundtrack
>> album, the subject is principally, in my opinion, the film. Including
>> triples related to the soundtrack album associated with the same URI is
>> just going to cause confusion.
>>
>> Tom
>>
>>
>>
>>> Appreciate your feedback and help.
>>>
>>> Thanks and regards,
>>> Venkatesh
>>>
>>> On Thu, Oct 11, 2012 at 6:20 PM, Julien Cojan <julien.co...@inria.fr>wrote:
>>>
>>>> Hi Mohamed,
>>>>
>>>> ------------------------------
>>>>
>>>> *De: *"Mohamed Morsey" <mor...@informatik.uni-leipzig.de>
>>>> *À: *"Julien Cojan" <julien.co...@inria.fr>
>>>> *Cc: *"Venkatesh Channal" <venkateshchan...@gmail.com>,
>>>> dbpedia-discussion@lists.sourceforge.net
>>>> *Envoyé: *Jeudi 11 Octobre 2012 10:49:45
>>>>
>>>> *Objet: *Re: [Dbpedia-discussion] Fetching song and movie related
>>>> information
>>>>
>>>> Hi Julien,
>>>>
>>>> On 10/10/2012 05:34 PM, Julien Cojan wrote:
>>>>
>>>> Hi,
>>>>
>>>> Are you running the query on http://live.dbpedia.org/sparql ?
>>>> I don't get any artist associated to
>>>> http://dbpedia.org/resource/Piyu_Bole in this endpoint.
>>>> You must have got from http://dbpedia.org/sparql which is not synched
>>>> with wikipedia.
>>>>
>>>> As Mohamed said, the wikipedia page was redirected to
>>>> http://en.wikipedia.org/wiki/Parineeta_(2005_film).
>>>> There is something weird though, there is a triple
>>>>
>>>> <http://dbpedia.org/resource/Piyu_Bole><http://dbpedia.org/resource/Piyu_Bole>
>>>> <http://dbpedia.org/ontology/wikiPageRedirects><http://dbpedia.org/ontology/wikiPageRedirects>
>>>> <http://dbpedia.org/resource/Parineeta_(2005_film)><http://dbpedia.org/resource/Parineeta_(2005_film)>.
>>>>
>>>> but describe
>>>> <http://dbpedia.org/resource/Parineeta_(2005_film)><http://live.dbpedia.org/sparql?default-graph-uri=&query=describe+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FParineeta_%282005_film%29%3E&should-sponge=&format=text%2Fplain&timeout=0&debug=on>gives
>>>> only this triple
>>>> and describe
>>>> <http://dbpedia.org/resource/Parineeta_%282005_film%29><http://live.dbpedia.org/sparql?default-graph-uri=&query=describe+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FParineeta_%25282005_film%2529%3E&should-sponge=&format=text%2Fplain&timeout=0&debug=on>very
>>>> little.
>>>>
>>>>
>>>> sorry I didn't get what you mean by very little.
>>>> I tried query " describe
>>>> <http://dbpedia.org/resource/Parineeta_%282005_film%29><http://dbpedia.org/resource/Parineeta_%282005_film%29>",
>>>> and it gives 109 triples.
>>>>
>>>>
>>>> Same for me now, when I tried I had about 10. Maybe the page was being
>>>> extracted after a change.
>>>>
>>>> There is bug though about the use of two different URI/IRIs for
>>>> Parineeta_(2005_film)<http://live.dbpedia.org/sparql?default-graph-uri=&query=describe+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FParineeta_%282005_film%29%3E&should-sponge=&format=text%2Fplain&timeout=0&debug=on>.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Anyone knows why ?
>>>>
>>>> Julien
>>>>
>>>>
>>>>
>>>> --
>>>> Kind Regards
>>>> Mohamed Morsey
>>>> Department of Computer Science
>>>> University of Leipzig
>>>>
>>>>
>>>>
>>>
>>>
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>
>
> --
> ---
> Pablo N. Mendes
> http://pablomendes.com
> Events: http://wole2012.eurecom.fr
>
>
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