Hi Roland,
We have seen occurrence of this problem before with SPARQ_FED queries, thus it
is scheduled to be looked into. Will let you know when we have a fix ..
Best Regards
Hugh Williams
Professional Services
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Universal Data Access, Integration, and Management Technology Providers
On 14 Feb 2014, at 23:12, Roland Cornelissen <metamatter...@gmail.com> wrote:
> Hi,
>
> I have a VOS7 store with data containing links to nl.dbpedia.org. These links
> are imported as ntriples, like this:
>
> <http://nl.dbpedia.org/resource/Aarón_Galindo>
> <http://purl.org/dc/terms/subject> <http://data.metamatter.nl/spice/Voetbal>
>
> Please note the 'unescaped' ó in Aarón in the dbpedia resource IRI. Now when
> I do a federated query to nl.dbpedia.org like this:
> SELECT * {
> SERVICE <http://data.metamatter.nl/sparql> {
> GRAPH <http://data.metamatter.nl/spice/>{
> ?s a dbpo:Person . }}
> SERVICE <http://nl.dbpedia.org/sparql> {
> ?s dbpo:abstract ?abstract .
> }
> } limit 10
>
> I get an error complaining about the ó :
> Virtuoso RDFZZ Error DB.DBA.SPARQL_REXEC('http://nl.dbpedia.org/sparql', ...)
> returned Content-Type 'text/plain' status 'HTTP/1.1 400 Bad Request
> '
> Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '\' (0x5c)
> in SPARQL expression at '\'
>
> SPARQL query:
> define sql:big-data-const 0 define output:format "HTTP+XML
> application/sparql-results+xml" define output:dict-format "HTTP+TTL
> text/rdf+n3" SELECT ?abstract
> WHERE {
> GRAPH <http://data.metamatter.nl/spice/> {
> <http://nl.dbpedia.org/resource/Aar\u00F3n_Galindo>
> <http://dbpedia.org/ontology/abstract> ?abstract . } }
>
> SPARQL query:
> define sql:big-data-const 0
> #output-format:text/html
> define sql:signal-void-variables 1 define input:default-graph-uri
> <http://data.metamatter.nl/spice/> PREFIX spice:
> <http://data.metamatter.nl/spice/>
> SELECT * {
> SERVICE <http://data.metamatter.nl/sparql> {
> GRAPH <http://data.metamatter.nl/spice/>{
> ?s a dbpo:Person . }}
> SERVICE <http://nl.dbpedia.org/sparql> {
> ?s dbpo:abstract ?abstract .
> # ?wiki foaf:primaryTopic ?s .
> }
> } limit 10
>
> Somewhere in the translation the ó gets escaped to \u00F3, which is
> apparently wrong.
> Question is, can I fix this? Is it config? Or is it code, as in bug?
>
> Thanks,
> Roland
>
>
>
>
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