Hi Gustavo, On Sun, Jul 16, 2017 at 8:38 PM, Gustavo Mora <gmora1...@gmail.com> wrote: > > Marmotta is working with Sesame 4, I started migrating to RDF4J. Before > that I encountered two problems. > > 1. The test ComplexKiWiSparqlQueryTest > -> ComplexSPARQLQueryTest#testSES1979MinMaxInf is failing 'cause KiWi > changes literal's datatype at time of insertion. > > For example, the following insertion is successful: > > PREFIX : <http://example.org/> > INSERT DATA > { > GRAPH <http://test/test> { > :a14 :float "-3.4428452385e-13"^^xsd:float . > :a100 :float "-INF"^^xsd:float . > :a101 :float "INF"^^xsd:float . > } > } > > > When querying KiWi store (SELECT * { GRAPH < http://test/test > { ?a ?b ?c > } }), we get the following results: > > *A* > > *B* > > *C* > > http://example.org/a14 > > http://example.org/float > > “-3.4428452385E-13” ^^xsd:float > > http://example.org/a100 > > http://example.org/float > > “-INF”^^xsd:string > > http://example.org/a101 > > http://example.org/float > > “INF”^^xsd:string > > The problem is with special values of float (i.e. NaN, INF, -INF [1]) > stored in Marmotta because the XSD float datatype definition is ignored and > replaced with the default (xsd:string). This problem is probably present > in both inserting and querying processes within KiWi. >
I'd try to find first the insertion. I'm not sure of the support of those special number in the different databases, but maybe it was just a use case we never thought about it. I'll digg into the source code to find more conclusions. But definitively can be fixed. 2. Some problems to execute LdpSuiteTest#testRunSuite because the suite > used (LdpTestSuite[2]) is deprecated; it uses Sesame 2. Major problems > between URI and IRI. > I guess the LDP Test Suite is not maintained anymore. We may need to find a solution for that. As a solution, I propose creating an issue for each problem. Or any other > ideas to approach this issues? > Individual issues are always better IMO. Good work, Gustavo! Cheers, > [1] https://www.w3.org/TR/xmlschema-2/#float > > [2] https://w3c.github.io/ldp-testsuite/ >
