Hello,

I have just installed Virtuoso Open Source 7.10.3208 and now I am 
loading data from n-triples files. This goes well, until I get to the 
geographical data. Then I get the following error:

*** Error 42000: [Virtuoso Driver][Virtuoso Server]RDFGE: rdf box with a 
geometry rdf type and a non geometry content

The geometries in the file are multipolygons serialized as WKT by PostGIS.

An example of a geometry object:

"<http://www.opengis.net/def/crs/EPSG/0/28992> MULTIPOLYGON(((150874.3 
459500,150853.2 459477, {many more 
coordinates})))"^^<http://www.opengis.net/ont/geosparql#wktLiteral>

for convenient reading I have replaced a long list of other coordinates 
with {many more coordinates}.

What could be the problem in this case? Is it possible to get more 
details on the error? From what I could find on the web, multipolygons 
are supported in Virtuoso 7.1, as well as GeoSPARQL. The error seems to 
indicate that the datatype (geosparql:wktLiteral) is recognized, but 
that the literal does not comply.

Thanks in advance,

Frans Knibbe
Geodan









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