Hello!
What is the most efficient way of filtering geomerty objects by
latitude/longitude? I need to retrieve LinkedGeoData objects inside some
rectangular boundaries. Here is how I filter objects now :
where
{
?entity geo:lat ?lat .
?entity geo:long ?long .
FILTER ( ?lat >= 56.4881360279505 && ?lat <= 56.5118226056529 && ?long >=
84.9451732635498 && ?long <= 84.9880886077881 )
}
One more possible implementation:
where
{
?entity geo:geometry ?geo .
FILTER ( bif:st_y(?geo) >= 56.4881360279505 && bif:st_y(?geo) <=
56.5118226056529 && bif:st_x(?geo) >= 84.9451732635498 && bif:st_x(?geo) <=
84.9880886077881 )
}
What is the most efficient way?
Regards,
Alexander
