Hi Hugh, first of all thank you for your reply :) On 17 March 2010 18:05, Hugh Williams <[email protected]> wrote: > Hi Enrico, > > On 17 Mar 2010, at 11:50, Enrico Daga wrote: > >> Hi >> I am a virtuoso fan (and newbie), I have installed and played a bit >> with it and I think it is great! >> >> Now I am experiencing some problems in IRI names when using non ASCII >> characters. >> I have collected as much information as I could, hope they are enough >> to figure out thwe problem: >> These are the two cases: >> >> 1) Differences between isql command line tool and Conductor's 'Sparql >> Execution' tool >> When I do the following statement I can see the triple correctly from >> the same interface, but wrongly in the other. >> For example, I do from isql >> >> SQL> sparql insert into <http://localhost/test/charsets> {<http://ààà> >> rdf:type owl:Thing}; >> callret-0 >> VARCHAR >> _______________________________________________________________________________ >> >> Insert into <http://localhost/test/charsets>, 1 triples -- done >> >> 1 Rows. -- 11 msec. >> SQL> sparql select * from <http://localhost/test/charsets> where {?a ?b ?c}; >> a >> b >> c >> VARCHAR >> VARCHAR >> VARCHAR >> _______________________________________________________________________________ >> >> http://ààà >> http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.w3.org/2002/07/owl#Thing >> >> 1 Rows. -- 2 msec. >> >> Then I try to see the result from Conductor, but this is the result: >> >> a b c >> http://??? http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.w3.org/2002/07/owl#Thing >> >> The same example but in the opposite order, now I do the insert from >> Conductor: >> >> insert into <http://localhost/test/charsets> {<http://ààà2> rdf:type >> owl:Thing} >> >> and >> >> select * from <http://localhost/test/charsets> where {?a ?b ?c} >> >> a b c >> http://??? http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.w3.org/2002/07/owl#Thing >> http://ààà2 http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.w3.org/2002/07/owl#Thing >> >> The triple inserted from Conductor displays correctly. But it is not from >> isql: >> >> SQL> sparql select * from <http://localhost/test/charsets> where {?a ?b ?c}; >> a >> b >> c >> VARCHAR >> VARCHAR >> VARCHAR >> _______________________________________________________________________________ >> >> http://ààà >> http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.w3.org/2002/07/owl#Thing >> http://Ã Ã Ã 2 >> http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.w3.org/2002/07/owl#Thing >> >> 2 Rows. -- 2 msec. >> > > [Hugh] I have been able to recreate this issue which we shall be looking > into. Seems the conductor is performing some recoding of chars from utf8. > Note via HTTP you can use the Virtuoso sparal endpoint > (http://localhost:8890/sparql) to perform such operations as it does not have > the problem ...
I have tryed the same 'insert' statement from the /sparql endpoint but it behaves exactly as the conductor. I can see the IRIs correctly from there, but then, from ISQL, the IRIs are displayed wrongly. > >> >> 2) Wrong characters when using 'load <IRI>' statement from both interfaces >> >> In both interfaces, when I use the sparql load <IRI> statement, I >> cannot see IRI names correctly when some 'à', 'ò' etc... chars are in. >> The public rdf/xml file is correct, its encoding is UTF-8. This is not >> declared in the xml top declaration (but I have tried to add it >> manually, and I obtained the same behaviour). >> IRI are written in two ways, inside the rdf/xml: >> - http://someasciicharsà >> - http://someasciicharsà >> In both cases the IRI displays wrong in both interfaces. > > [Hugh] Can you please provide more specific steps to recreate the issue you > are seeing, as I can only see similar recoding issues in the conductor to > those in 1) above , with isql working fine when using the load function to > load triples ? In this case none of the two interfaces (ISQL, Conductor) are working fine. In both IRIs result corrupted. Attached is a test RDF/XML file. I have tryed this: SQL> sparql load <http://sem-dev.src.cnr.it/testIRIencoding.rdf>; callret-0 VARCHAR _______________________________________________________________________________ Load <http://myserver/testIRIencoding.rdf> into graph <http://myserver/testIRIencoding.rdf> -- done 1 Rows. -- 10 msec. SQL> sparql select * from <http://myserver/testIRIencoding.rdf> where {?a ?b ?c}; a b c VARCHAR VARCHAR VARCHAR _______________________________________________________________________________ http://www.cnr.it/ontology/cnr/individuo/unitaDiPersonaleInterno/MATRICOLA3 http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.cnr.it/ontology/cnr/personale.owl#UnitÃÂ DiPersonaleInterno http://www.cnr.it/ontology/cnr/individuo/unitaDiPersonaleInterno/MATRICOLA5 http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.cnr.it/ontology/cnr/personale.owl#UnitÃÂ DiPersonaleInterno Can you try this? Thank you for your help! Enrico > > Best Regards > Hugh Williams > OpenLink Software > >> >> Other notes: >> * I have seen some documentation about CHARSET parameter of the >> connection, and tried to change it through ISQL, but I had the same >> behaviour both in 1) and 2). >> * I have noted that the HTTP header of the Conductor says UTF-8 while >> the HTML meta tag says ISO-8859-1, but I do not know if this has some >> influence on the general case (maybe there are multiple problems that >> I collapse ;) ) >> * Virtuoso.ini file contains the following configuration >> [HTTPServer] >> Charset = UTF-8 >> >> Do I need to configure something? >> Can anybody help me on figure out the problem? >> >> Thank you in advance >> >> Enrico >> >> >> >> -- >> Enrico Daga >> Technology Expert >> -- >> Ufficio Sistemi Informativi (DCSPI-USI) >> National Research Council (CNR) >> P.le Aldo Moro 7 - Rome, Italy >> Tel +39 4993 3321 >> -- >> Semantic Technology Laboratory (STLab) >> Institute for Cognitive Science and Technology (ISTC-CNR) >> Via Nomentana 56, Rome - Italy >> -- >> http://stlab.istc.cnr.it/stlab/User:EnricoDaga >> http://www.enridaga.net >> skype: enri-pan >> >> ------------------------------------------------------------------------------ >> Download Intel® Parallel Studio Eval >> Try the new software tools for yourself. Speed compiling, find bugs >> proactively, and fine-tune applications for parallel performance. >> See why Intel Parallel Studio got high marks during beta. >> http://p.sf.net/sfu/intel-sw-dev >> _______________________________________________ >> Virtuoso-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/virtuoso-users > > -- Enrico Daga Technology Expert -- Ufficio Sistemi Informativi (DCSPI-USI) National Research Council (CNR) P.le Aldo Moro 7 - Rome, Italy Tel +39 4993 3321 -- Semantic Technology Laboratory (STLab) Institute for Cognitive Science and Technology (ISTC-CNR) Via Nomentana 56, Rome - Italy -- http://stlab.istc.cnr.it/stlab/User:EnricoDaga http://www.enridaga.net skype: enri-pan
<?xml version="1.0" encoding="UTF-8"?> <!-- Timestamp: 2009-10-05 18:04:01.000 --> <!DOCTYPE rdf:RDF [ <!ENTITY owl "http://www.w3.org/2002/07/owl#"; > <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#"; > <!ENTITY owl2xml "http://www.w3.org/2006/12/owl2-xml#"; > <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#"; > <!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#"; > ]> <rdf:RDF xmlns="http://www.example.it/testIRIencoding.rdf#"; xml:base="http://www.example.it/testIRIencoding.rdf#"; xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"; xmlns:owl2xml="http://www.w3.org/2006/12/owl2-xml#"; xmlns:xsd="http://www.w3.org/2001/XMLSchema#"; xmlns:owl="http://www.w3.org/2002/07/owl#"; xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; > <!-- test --> <rdf:Description rdf:about="http://www.cnr.it/ontology/cnr/individuo/unitaDiPersonaleInterno/MATRICOLA3";> <rdf:type rdf:resource="http://www.cnr.it/ontology/cnr/personale.owl#UnitàDiPersonaleInterno"/> </rdf:Description> <rdf:Description rdf:about="http://www.cnr.it/ontology/cnr/individuo/unitaDiPersonaleInterno/MATRICOLA5";> <rdf:type rdf:resource="http://www.cnr.it/ontology/cnr/personale.owl#UnitàDiPersonaleInterno"/> </rdf:Description> </rdf:RDF>
