don't worry :)
This is an old issue. In this case Wikipedia applies categories through
special templates
for instance: {{nationality by occupation|Country=United
Kingdom|Nationality=British}}<http://en.wikipedia.org/w/index.php?title=Template:Nationality_by_occupation&action=edit>
The framework cannot expand the templates and collects only the handwritten
categories (none in this case)
For testing you can do 2 things:
1) use a trimmed dump and run the dump based extraction as normal
2) use the server module, it should open something like this [1] and then
you could try single page extraction directly via wikipedia [2]. This is
how I used to test single pages, however, I am not 100% sure that it is
still valid, Jona Christopher (in cc) did a lot of changes last year in
this module so maybe he can give some input
@JC, Can you confirm this?
Best,
Dimitris
[1] http://mappings.dbpedia.org/server/
[2] http://mappings.dbpedia.org/server/extraction/en/
On Mon, Jan 28, 2013 at 4:34 PM, Andrea Di Menna <ninn...@gmail.com> wrote:
> I am sorry :)
> I meant there exists a link in those pages. (picked the incorrect words to
> express myself).
>
> There could an issue in the SkosCategoriesExtractor.
> If I am not wrong, the triple should be collected when analysing the
> http://en.wikipedia.org/wiki/Category:British_people_by_occupation
> article.
>
> How can I get a minimal example to run the extractor on and try to debug
> it?
>
> Regards
> Andrea
>
> 2013/1/28 Dimitris Kontokostas <kontokos...@informatik.uni-leipzig.de>
>
>> Thanks Andrea,
>>
>> @Ning,
>> DBpedia tries to be an exact semantic mirror of Wikipedia so if you want
>> to fix these "errors" you should try to fix them at the source (which is
>> Wikipedia) and on the next DBpedia release they will be fixed
>>
>> Best,
>> Dimitris
>>
>>
>> On Mon, Jan 28, 2013 at 4:14 PM, Andrea Di Menna <ninn...@gmail.com>wrote:
>>
>>> Hi Dimistris,
>>>
>>> does not seem so:
>>>
>>>
>>> http://en.wikipedia.org/wiki/Category:British_people_by_occupation?oldid=489570899
>>> http://en.wikipedia.org/wiki/Category:British_people?oldid=494233120
>>>
>>> Cheers
>>> Andrea
>>>
>>>
>>> 2013/1/28 Dimitris Kontokostas <kontokos...@informatik.uni-leipzig.de>
>>>
>>>> Hi Ning,
>>>>
>>>> Can you please confirm that the same thing does not happen in Wikipedia
>>>> too?
>>>>
>>>> Best,
>>>> Dimitris
>>>>
>>>>
>>>> On Mon, Jan 28, 2013 at 7:06 AM, Ning Zhang <lemonu...@gmail.com>wrote:
>>>>
>>>>> Hi Friends,
>>>>>
>>>>> I want to extract wiki articles category graph and find your datasets
>>>>> fortunately to avoid parsing the huge dump by myself. Thank you so much
>>>>> for
>>>>> the effort.
>>>>> However, I found something strange doing BFS on the graph based on
>>>>> Categories(Skos): there are lots of category nodes that cannot be reached.
>>>>> I checked briefly and found that it seems to lost some "belongs to" link
>>>>> between subcategory and category. For example, "Category:
>>>>> British_People_By_Occupation" should belong to "Category: British_People"
>>>>> while the dataset does not contain such info.(it only contain the record
>>>>> that this category is a core concept)
>>>>> Could you please help check it? Thanks a lot.
>>>>>
>>>>> Regards,
>>>>>
>>>>> --
>>>>> Ning Zhang
>>>>> Purdue University
>>>>> E-mail:lemonu...@gmail.com
>>>>> Cell Phone:765-337-6629
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
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>>>>
>>>>
>>>> --
>>>> Dimitris Kontokostas
>>>> Department of Computer Science, University of Leipzig
>>>> Research Group: http://aksw.org
>>>> Homepage:http://aksw.org/DimitrisKontokostas
>>>>
>>>>
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>>>
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>>
>>
>> --
>> Dimitris Kontokostas
>> Department of Computer Science, University of Leipzig
>> Research Group: http://aksw.org
>> Homepage:http://aksw.org/DimitrisKontokostas
>>
>
>
>
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--
Dimitris Kontokostas
Department of Computer Science, University of Leipzig
Research Group: http://aksw.org
Homepage:http://aksw.org/DimitrisKontokostas
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