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Having this sparql service available http://agrovoc.uniroma2.it/sparql, using the OpenRefine RDF extension, is it possible to use it as a reconciliation service?

So far I've tried but got the following error:

12:06:51.461 [..ctReconciliationService] error reconciling 'Lenteja' (3153ms) org.shaded.apache.jena.query.QueryException: Endpoint returned Content-Type: text/html which is not rcognized for SELECT queries

I think may be I got the wrong endpoint.

OpenRefine version is 3.3

Francisco Ragout
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  • I think that should work. Two possibilities come to mind: 1) the OpenRefine RDF extension isn't correctly setting the Accept headers on its requests or 2) the AgroVoc service is ignoring them. It shouldn't be getting text/html here. – Tom Morris Oct 27 '20 at 19:51
  • It might be worth filing a bug report here: https://github.com/stkenny/grefine-rdf-extension/issues – Tom Morris Oct 27 '20 at 19:54
  • Can you confirm which version of the RDF Extension you used? v1.2.2 released Sep 30, 2020, fixes error when reconciling against plain SPARQL endpoint. – magdmartin Dec 04 '20 at 18:13

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