Hi Abhishek,
Hard to say you should profile the queries as indicated at [1], to see the
compiler and execution plans and where the time is being take performing query.
If you can provide this for the problem query and one that works well we might
be able to say more ...
Best Regards
Hugh Williams
Professional Services
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[1] http://docs.openlinksw.com/virtuoso/databaseadmsrv.html#readingqueryprofile
On 17 Jan 2014, at 09:48, Abhishek Gupta <abhishekgupta.i...@gmail.com> wrote:
> I have a graph on which I run following query:
>
> SELECT ?b,?c,?rel1,?d,?rel2,?g,?y
> WHERE{
> <something1> ?b ?c . ?c ?rel1 ?d. ?d ?rel2 ?g. <something2> ?y ?g.
> }
>
> It takes about 23 seconds. Now, if I execute following queries:
>
> 1. Find all nodes (and relationships) from <something1> (?c)
> 2. Find all nodes (and relationships) from above (?d1)
> 3. Find all nodes (and relationships) from <something2> (?g)
> 4. Find all nodes (and relationships) from above (?d2)
>
> Find paths using the above four using simple python functions. This process
> takes less than a second.
>
> Is there anything that I am doing wrong here?
>
> Regards
> Abhishek
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