Hi Ian,
sorry for the delay and thanks for this report. Richard is on holiday. I
think i fixed the problem with the missing query results. Try to
download the new version of the SparqlEngine which is now in the CVS
repository.
Regards,
Tobias
> Hi Richard,
>
> Today we were using RAP and realized that our query does not
> seem to be returning all of the (combinatorial) results in XML
> that we expect. Here's the test:
>
> * In our data [1], something may have more than one type
> (defined here [2]). For instance, a document may be both
> a "FirstEdition" and a "REC".
>
> [1] http://www.w3.org/2002/01/tr-automation/tr.rdf
> [2] http://www.w3.org/2001/02pd/rec54.rdf
>
> * The query below should return results that show that the resource
> identified by this URI:
>
> http://www.w3.org/TR/REC-html40-971218
>
> is both a rec:FirstEdition and a rec:REC. Instead the query results
> only attest to it being a rec:REC.
>
> Note: You can probably construct a much simpler query to test this...
>
> * As an aside, we have encountered a similar issue of not getting
> back all of the results we expect in the rasqal library; see
> this bug report:
> http://bugs.librdf.org/mantis/view.php?id=77
>
> I mention this only because the issue of "getting back all the
> combinatorial possibilities in XML" seems to be the same; not that
> the implementation issue is in any way related.
>
> I hope this report is useful.
>
> _ Ian
>
> ----------------------------------------------------------
> PREFIX : <http://www.w3.org/2000/10/swap/pim/contact#>
> PREFIX doc: <http://www.w3.org/2000/10/swap/pim/doc#>
> PREFIX mat: <http://www.w3.org/2002/05/matrix/vocab#>
> PREFIX org: <http://www.w3.org/2001/04/roadmap/org#>
> PREFIX rec: <http://www.w3.org/2001/02pd/rec54#>
> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
> PREFIX dc: <http://purl.org/dc/elements/1.1/>
> SELECT ?doc ?editor ?title ?date ?versionOf ?type ?supersedes
> ?previous WHERE {?doc rdf:type ?type; dc:title ?title; dc:date ?date;
> doc:versionOf ?versionOf. OPTIONAL {?doc rec:supersedes ?supersedes}
> OPTIONAL {?doc rec:previousEdition ?previous} OPTIONAL {?versionOf
> rec:supersedes ?supersedes} OPTIONAL {?doc rec:editor
> [:fullName ?editor ] .}} ORDER BY DESC(?date)
>
>
>
> ------------------------------------------------------------------------
>
>
> -------------------------------------------------------------------------
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