Hi !
After some more tests, it seems the problem doesn't come from Virtuoso, but
from Ontowiki (php front end I use to work with Virtuoso).
I'll ask on their ML !
Thanks for your answer !
Olivier Dalang
---
Digital Humanities Lab (DHLAB) - http://dhlab.epfl.ch
EPFL CDH DHLAB / CM 2 271
Station 10 / CH-1015 Lausanne
Tel. +41 21 693 02 46
2014-10-17 1:14 GMT+02:00 Hugh Williams <hwilli...@openlinksw.com>:
> Hi Oliver,
>
> Have you tried running the RDF_GEO_FILL() function to recreate the RDF
> geometries as detailed at:
>
>
> http://docs.openlinksw.com/virtuoso/rdfsparqlgeospat.html#rdfsparqlgeospatcrg
> http://docs.openlinksw.com/virtuoso/fn_rdf_geo_fill.html
>
> Best Regards
> Hugh Williams
> Professional Services
> OpenLink Software, Inc. // http://www.openlinksw.com/
> Weblog -- http://www.openlinksw.com/blogs/
> LinkedIn -- http://www.linkedin.com/company/openlink-software/
> Twitter -- http://twitter.com/OpenLink
> Google+ -- http://plus.google.com/100570109519069333827/
> Facebook -- http://www.facebook.com/OpenLinkSoftware
> Universal Data Access, Integration, and Management Technology Providers
>
> On 16 Oct 2014, at 16:59, Olivier Dalang <olivier.dal...@gmail.com> wrote:
>
> Hi !
>
> When I add triples with a <http://www.opengis.net/ont/geosparql#geometry>
> statement, they seem to be automatically spatially indexed. At least, I can
> use this filter clause in my SPARQL queries (replacing {{...}} values by a
> number) :
>
> FILTER(
>> bif:st_intersects ( ?geom, bif:st_geomfromtext("BOX({{xmin}}
>> {{ymin}}, {{xmax}} {{ymax}})") )
>> )
>
>
> This works pretty well !
>
> However, if I change the <http://www.opengis.net/ont/geosparql#geometry>
> property afterwards (by deleting the triple and adding another one), the
> spatial index doesn't seem to update. The filter doesn't work anymore and
> filters out the features (it seems).
>
> I'm a bit lost, since I've no idea where the magic lies in the creation of
> the spatial index. Is there a function to refresh the index for all <
> http://www.opengis.net/ont/geosparql#geometry> properties ?
>
> Thanks in advance !
>
>
> Olivier Dalang
> ---
> Digital Humanities Lab (DHLAB) - http://dhlab.epfl.ch
> EPFL CDH DHLAB / CM 2 271
> Station 10 / CH-1015 Lausanne
> Tel. +41 21 693 02 46
>
>
>
> ------------------------------------------------------------------------------
> Comprehensive Server Monitoring with Site24x7.
> Monitor 10 servers for $9/Month.
> Get alerted through email, SMS, voice calls or mobile push notifications.
> Take corrective actions from your mobile device.
> http://p.sf.net/sfu/Zoho_______________________________________________
> Virtuoso-users mailing list
> Virtuoso-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>
>
>
------------------------------------------------------------------------------
Comprehensive Server Monitoring with Site24x7.
Monitor 10 servers for $9/Month.
Get alerted through email, SMS, voice calls or mobile push notifications.
Take corrective actions from your mobile device.
http://p.sf.net/sfu/Zoho
_______________________________________________
Virtuoso-users mailing list
Virtuoso-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/virtuoso-users
