Hi Cristian,
Hello!
I'm developing some extensions to the ODS REST API, and i get an
error when i make use of the "exec_sparql (q);" procedure, present on
the ODS controllers. When i try to invoke it, i get the following
error:
<failed>
<code>-500</code>
<message>RDF..: Inference context http://www.univrz.com:80/dataspace
does not exist</message>
</failed>
Could you please check in the sys_rdf_schema if there is record for the
inference in question?
i.e. : select * from sys_rdf_schema;
If there is no, then you should
- install ods
- execute:
use sioc;
DB.DBA.TTLP (sioct_n3 (), '', get_graph() || '/inf');
DB.DBA.RDFS_RULE_SET (get_graph (), get_graph() || '/inf');
Best Regards,
Rumi
My inference context is http://www.univrz.com/dataspace (i think - i'm
just starting to explore this world), when i make use of the other
methods, like DB.DBA.SPARQL_EVAL_TO_ARRAY i can see the results, but
i'm interested in using the ODS api (like the exec_sparql(q)
procedure) to keep consistency.
Some methods from the published Rest Interface, like
ODS.ODS_API."instance.get.id"or ODS.ODS_API."user.get" show the same
problem. Maybe is a configuration issue, but i dont know yet.
Regards,
Cristian
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