Ok. As per the DBpedia live website (http://live.dbpedia.org/), one should be
able to use either of these end points to query for most up-to-date wikipedia
data. If these end points contain different data then which source should be
used as the authoritative source for the live data?
~ Shruti
On Friday, June 27, 2014 12:13:01 PM, Kingsley Idehen <kide...@openlinksw.com>
wrote:
>
>
>On 6/27/14 1:49 PM, A Shruti wrote:
>
>Thanks to all on their comments and info. I wanted to follow up on Rumi's
>comment:
>>"http://live.dbpedia.org/sparql is currently pointing to
>>http://dbedia-live.openlinksw.com/sparql so contain the same data.
>>This data is updated regularly with the latest changes from Wikipedia itself."
>>
>>
>>
>>If the 2 end points for live data contain the same data then how come the
>>query in my first email return such varying result (one returns a count of ~
>>3 million while the other returns a count of ~63 million)?
>>
>>
>>Based on Juan's comment about, I also tried querying for a smaller subset and
>>see different results here as well. The query I used is:
>>
>>
>>PREFIX dbo: <http://dbpedia.org/ontology/>
>>PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>>PREFIX dbpprop: <http://dbpedia.org/property/>
>>
>>
>>PREFIX dbo: <http://dbpedia.org/ontology/>
>>PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>>PREFIX dbpprop: <http://dbpedia.org/property/>
>>
>>
>>SELECT ?wikiPageID count(*)
>>FROM <http://dbpedia.org>
>>WHERE
>> { ?person rdf:type dbo:Person .
>> ?person dbpprop:name ?name .
>> ?person dbo:birthDate ?birthDate .
>> ?person dbo:abstract ?abstract .
>> ?person dbo:wikiPageID ?wikiPageID .
>> ?person dbo:wikiPageRevisionID ?wikiPageRevisionID
>> OPTIONAL
>> { ?person dbo:wikiPageModified ?wikiPageModified }
>> OPTIONAL
>> { ?person dbo:wikiPageExtracted ?wikiPageExtracted }
>> FILTER langMatches(lang(?abstract), "en")
>> FILTER (?wikiPageID = 365352 || ?wikiPageID = 39972083)
>> }
>>GROUP BY ?wikiPageID
>>
>>
>>On http://live.dbpedia.org/sparql it shows:
>>wikiPageID callret-1
>>39972083 8
>>
>>
>>On http://dbpedia-live.openlinksw.com/sparql it shows:
>>wikiPageID callret-1
>>39972083 2
>>365352 544
>>
>>
>>
>>Why is that happening?
>>
>>
>>~ Shruti
>They aren't the same:
>
>curl -I http://live.dbpedia.org/sparql
>HTTP/1.1 200 OK
>Date: Fri, 27 Jun 2014 19:10:55 GMT
>Server: Virtuoso/07.00.3203 (Linux) x86_64-unknown-linux-gnu
>
>curl -I http://dbpedia-live.openlinksw.com/sparql
>HTTP/1.1 200 OK
>Date: Fri, 27 Jun 2014 19:11:24 GMT
>Server: Virtuoso/07.10.3210 (Linux) x86_64-redhat-linux-gnu VDB
>
>
>
>
>-- Regards, Kingsley Idehen
Founder & CEO
OpenLink Software
Company Web: http://www.openlinksw.com Personal Weblog:
http://www.openlinksw.com/blog/~kidehen Twitter Profile:
https://twitter.com/kidehen Google+ Profile:
https://plus.google.com/+KingsleyIdehen/about LinkedIn Profile:
http://www.linkedin.com/in/kidehen
>
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