*Soft Reminder*
On Mon, Feb 10, 2014 at 6:51 PM, Nikunj Jain <nikunj...@gmail.com> wrote:
> Hey Hugh
>
> You can all see the results of first query at
> http://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&query=select+%3Fmid+where+{%0D%0A++++%3Fmid+%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23broader%3E{2}+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FCategory%3ASports%3E.%0D%0A++++%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FCategory%3ABadminton_by_continent%3E+%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23broader%3E+%3Fmid.%0D%0A}&format=text%2Fhtml&timeout=30000&debug=on<http://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&query=select+%3Fmid+where+%7B%0D%0A++++%3Fmid+%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23broader%3E%7B2%7D+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FCategory%3ASports%3E.%0D%0A++++%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FCategory%3ABadminton_by_continent%3E+%3Chttp%3A%2F%2Fwww.w3.org%2F2004%2F02%2Fskos%2Fcore%23broader%3E+%3Fmid.%0D%0A%7D&format=text%2Fhtml&timeout=30000&debug=on>
>
>
> On Mon, Feb 10, 2014 at 6:50 PM, Nikunj Jain <nikunj...@gmail.com> wrote:
>
>> Hey Hugh
>>
>> Running first query on http://dbpedia.org/sparql returns two results
>>
>>
>> On Mon, Feb 10, 2014 at 7:03 PM, Hugh Williams
>> <hwilli...@openlinksw.com>wrote:
>>
>>> HI Nikunj,
>>>
>>> What Dbpedia server are you running these queries against as running
>>> against http://dbpedia.org/sparql , both return no results ?
>>>
>>> Note also documentation on property paths support in Virtuoso can be
>>> found at:
>>>
>>>
>>> http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtTipsAndTricksSPARQL11PropertyPaths
>>>
>>> Best Regards
>>> Hugh Williams
>>> Professional Services
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>>>
>>> On 10 Feb 2014, at 07:11, Nikunj Jain <nikunj...@gmail.com> wrote:
>>>
>>> Hey, I am trying to calculate the paths between two nodes in dbpedia
>>> graph, the path length can be anything. I tried these two queries to find
>>> the path length of 3:
>>>
>>> select ?mid where {
>>> ?mid <http://www.w3.org/2004/02/skos/core#broader>{2} <
>>> http://dbpedia.org/resource/Category:Sports>.
>>> <http://dbpedia.org/resource/Category:Badminton_by_continent> <
>>> http://www.w3.org/2004/02/skos/core#broader> ?mid.
>>> }
>>>
>>> select ?mid,?alpha where {
>>> ?mid <http://www.w3.org/2004/02/skos/core#broader> ?alpha. ?alpha <
>>> http://www.w3.org/2004/02/skos/core#broader> <
>>> http://dbpedia.org/resource/Category:Sports> . <
>>> http://dbpedia.org/resource/Category:Badminton_by_continent> <
>>> http://www.w3.org/2004/02/skos/core#broader> ?mid.
>>> }
>>>
>>> According to me, both the queries should return same results. But the
>>> query 1 is returning
>>> http://dbpedia.org/resource/Category:Sport_by_continent two times and
>>> query 2 is returning empty results. I need to know why this is happening
>>> and what is the most efficient way to calculate the paths between two
>>> nodes.
>>>
>>> Thanks
>>>
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>>
>
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