OK, if it works as you have it elsewhere, then this indeed could be an RDFLib SPARQL implementation issue.
Please do check the specs and let us know! ------- Original Message ------- On Wednesday, June 22nd, 2022 at 16:20, Richard Dijkstra <richarddijkstra1...@gmail.com> wrote: > Nicholas, > > Thank you for the reply. I did state the question here because other sparql > engines do give the answer to the first query form. > > So I have to check the sparql spec’s. > > Regards, Richard > >> Op 22 jun. 2022 om 04:44 heeft Nicholas Car <n...@kurrawong.net> het >> volgende geschreven: > >> >> This is a SPARQL problem (well understanding issue) not an RDFLib thing. >> I'll give you the answer here but please ask these sort of issues on >> stackoverflow (tagged with 'rdflib') not on this development mailing list! >> >> You need this query so that the indicator variable can be calculated on the >> back of variables with known values: >> >> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> >> >> SELECT (?nominator / ?denominator AS ?indicator) >> >> WHERE { >> >> SELECT (SUM(?value1) AS ?nominator) (COUNT(?s1) AS ?denominator) >> >> WHERE { >> >> ?s1 <http://purl.org#val1> ?value1 . >> >> } >> >> } >> >> Then you get: >> >> (rdflib.term.Literal('233.3333333333333333333333333', >> datatype=rdflib.term.URIRef('http://www.w3.org/2001/XMLSchema#decimal')),) >> >> Cheers, Nick >> >> -- >> Dr Nicholas Car >> Data Architect & Semantic Web Specialist >> Kurrawong AI >> n...@kurrawong.net >> 0477 560 177 >> https://kurrawong.net >> >> Honorary Lecturer >> College of Engineering & Computer Science >> Australian National University >> https://cecs.anu.edu.au/people/nicholas-car >> -- >> >> ------- Original Message ------- >> On Wednesday, June 22nd, 2022 at 03:41, richarddi...@gmail.com >> <richarddijkstra1...@gmail.com> wrote: >> >>> What is wrong with the following? I would expect 233.33 in the last >>> variable. >>> >>> Thank you. >>> >>> d = Graph().parse(data = """ >>> <http://www.aa.nl/data#l1> <http://purl.org#val1> >>> "100"^^<http://www.w3.org/2001/XMLSchema#decimal>. >>> <http://www.aa.nl/data#l2> <http://purl.org#val1> >>> "200"^^<http://www.w3.org/2001/XMLSchema#decimal>. >>> <http://www.aa.nl/data#l3> <http://purl.org#val1> >>> "400"^^<http://www.w3.org/2001/XMLSchema#decimal>. >>> """) >>> >>> q = """ >>> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> >>> >>> SELECT (SUM(?value1) AS ?nominator) (COUNT(?s1) AS ?denominator) >>> (?nominator / ?denominator AS ?indicator) >>> >>> WHERE >>> { >>> ?s1 <http://purl.org#val1> ?value1 . >>> } >>> >>> """ >>> for r in d.query(q): >>> print(r) >>> >>> (rdflib.term.Literal('700', >>> datatype=rdflib.term.URIRef('http://www.w3.org/2001/XMLSchema#decimal')), >>> rdflib.term.Literal('3', >>> datatype=rdflib.term.URIRef('http://www.w3.org/2001/XMLSchema#integer')), >>> None) >>> >>> -- >>> http://github.com/RDFLib >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "rdflib-dev" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to rdflib-dev+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> [https://groups.google.com/d/msgid/rdflib-dev/fa626618-35e3-48fa-936b-e8ee2a79997en%40googlegroups.com](https://groups.google.com/d/msgid/rdflib-dev/fa626618-35e3-48fa-936b-e8ee2a79997en%40googlegroups.com?utm_medium=email&utm_source=footer). >> >> -- >> http://github.com/RDFLib >> --- >> You received this message because you are subscribed to the Google Groups >> "rdflib-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to rdflib-dev+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> [https://groups.google.com/d/msgid/rdflib-dev/2P37ZhKteKe1ZtqMeEkl9clP7AaPTjvwXpxHr5JlON-yHbpHwoBNo7Sy9FmtL2BWiXbzFQG95foDV9V36MlkQ6asTs0K67dZUJTeUrnwk2w%3D%40kurrawong.net](https://groups.google.com/d/msgid/rdflib-dev/2P37ZhKteKe1ZtqMeEkl9clP7AaPTjvwXpxHr5JlON-yHbpHwoBNo7Sy9FmtL2BWiXbzFQG95foDV9V36MlkQ6asTs0K67dZUJTeUrnwk2w%3D%40kurrawong.net?utm_medium=email&utm_source=footer). > > -- > http://github.com/RDFLib > --- > You received this message because you are subscribed to the Google Groups > "rdflib-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rdflib-dev+unsubscr...@googlegroups.com. > To view this discussion on the web visit > [https://groups.google.com/d/msgid/rdflib-dev/54D3A511-2EDB-4B6F-9873-E5E86FFF53C1%40gmail.com](https://groups.google.com/d/msgid/rdflib-dev/54D3A511-2EDB-4B6F-9873-E5E86FFF53C1%40gmail.com?utm_medium=email&utm_source=footer). -- http://github.com/RDFLib --- You received this message because you are subscribed to the Google Groups "rdflib-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to rdflib-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rdflib-dev/u4SOs9s_YUnJjegXuI482yt5OIxtN70ptsao5jx8xHUuziKqzTYZqGVfspG-MqJRgiT-r2g2JpgyCGXwIRY4_4bDI-t7mSr3iZIyQDneHPY%3D%40kurrawong.net.
