Thank you Lorenz I am done with the quiz project but I am just working on its second version.
Regards <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> Virus-free. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Thu, Oct 19, 2017 at 2:29 PM, Lorenz Buehmann < [email protected]> wrote: > > > On 19.10.2017 11:34, javed khan wrote: > > Hello Lorenz, I knew I will not be able to explain my point. > > > > I have one class: Question (What is capital city of Germany) > > Another class : Answer (Berlin) > > and similar question/answers instances. > Are you still working on the quiz project? Have you seen that there is > already related work? > > > > I want to show rdfs:comment of answers like Berlin,Madrid and it works > > > > So when I mentioned ?x rdfs:comment ?comment, the ?x contains Answers > > like Berlin, Madrid > > > > After this query if I want to show the rdfs:abstract of Answers (Berlin > > etc) from Dbpedia endpoint directly, is it possible? > To repeat myself, the property rdfs:abstract does **not** exist! There > is a DBpedia property called http://dbpedia.org/ontology/abstract > > And why should it not be possible? Send the query with the correct URIs > of the cities to the DBpedia SPARQL endpoint to get the abstracts. > > One comment, your URIs do **not** match the URIs of DBpedia! > * you have http://dbpedia.org/resource#London. > * the correct DBpedia URI would be http://dbpedia.org/resource/London > > > > The instances data could be the following in my ontology: > > > > I have one suggestion: Is it possible we are allowed to paste a screen > shot > > of our ontology or something else in this group like we do in Protege > > group? > I think it's not possible by the mailing list system - but I'm not an > admin. You could add links that refer image upload services - as you > should know. > > > > ___________________________ > > > > > > > > > > <!-- http://xmlns.com/foaf/0.1/depiction#Q1 --> > > > > <owl:NamedIndividual rdf:about="http://xmlns.com/ > foaf/0.1/depiction#Q1"> > > <rdfs:label>What is the capital city of Germany? > > </rdfs:label> > > </owl:NamedIndividual> > > > > > > > > <!-- http://xmlns.com/foaf/0.1/depiction#Q2 --> > > > > <owl:NamedIndividual rdf:about="http://xmlns.com/ > foaf/0.1/depiction#Q2"> > > <rdfs:label>What is the biggest city of Europe?</rdfs:label> > > </owl:NamedIndividual> > > > > > > > > <!-- http://xmlns.com/foaf/0.1/depiction#Q3 --> > > > > <owl:NamedIndividual rdf:about="http://xmlns.com/ > foaf/0.1/depiction#Q3"> > > <rdfs:label>What is capital city of Spain?</rdfs:label> > > </owl:NamedIndividual> > > > > > > > > <!-- http://xmlns.com/foaf/0.1/depiction#Q4 --> > > > > <owl:NamedIndividual rdf:about="http://xmlns.com/ > foaf/0.1/depiction#Q4 > > "/> > > > > > > > > <!-- http:dbpedia.org/resource#Berlin --> > > > > <owl:NamedIndividual rdf:about="http:dbpedia.org/resource#Berlin"> > > <rdfs:comment>Berlin, Germany’s capital, dates to the 13th > > century. Reminders of the city's turbulent 20th-century history > > include its Holocaust memorial and the Berlin Wall's graffitied > > remains. Divided during the Cold War, its 18th-century Brandenburg Gate > has > > become a symbol of reunification</rdfs:comment> > > </owl:NamedIndividual> > > > > > > > > <!-- http:dbpedia.org/resource#London --> > > > > <owl:NamedIndividual rdf:about="http:dbpedia.org/resource#London"/> > > > > > > > > <!-- http:dbpedia.org/resource#Madrid --> > > > > <owl:NamedIndividual rdf:about="http:dbpedia.org/resource#Madrid"> > > <rdfs:comment>Madrid, Spain's central capital, is a city of > > elegant boulevards and expansive, manicured parks such as the Buen > Retiro. > > It’s renowned for its rich repositories of European art, including the > > Prado Museum’s works by Goya, Velázquez and other Spanish > > masters.</rdfs:comment> > > </owl:NamedIndividual> > > </rdf:RDF> > > > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_ > source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> > > Virus-free. > > www.avast.com > > <https://www.avast.com/sig-email?utm_medium=email&utm_ > source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> > > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > > > On Thu, Oct 19, 2017 at 11:37 AM, Lorenz Buehmann < > > [email protected]> wrote: > > > >> This is one of the most confusing question I ever read here... > >> > >> What is in your ontology? Sample data please! (in Turtle or N-Triples > >> syntax) > >> > >> More comments inline: > >> > >> > >> On 18.10.2017 20:10, javed khan wrote: > >>> Good day > >>> > >>> I want to ask is it possible we access Dbpedia resource with a > variable > >>> name. > >> Have you tried it? > >>> For example, we have ontology which include rdfs:comment about > different > >>> cities and cities name are in our ontology and store in x variable > >>> > >>> ?x rdfs:comment ?y //This query works for me > >> It works locally on your ontology - this is not a surprise as long as > >> the query matches some data. > >>> Now we want to directly access Dbpedia server (not using ontologiy) for > >>> these cities and this time we want to access rdfs:abstract, so can we > use > >> There is no property rdfs:abstract in the RDFS vocabulary. Dbpedia has > >> its own ontology, a property that you might mean is > >> http://dbpedia.org/ontology/abstract > >>> ?x rdfs:abstract ?sbstract > >> Typo in variable name... > >>> If not , how can we access then rdfs:abstract of different cities > stored > >> in > >>> x > >> Again, why can't you try it out? Is somebody/something preventing you > >> from sending a SPARQL query to the DBpedia SPARQL endpoint? > >> The expression "cities stored in x" doesn't make sense - or what is x > >> for you? the dataset? > >> > >> If you have cities in your ontology, then you have to use those URIs as > >> binding for variable ?x - and this only works if the URIs are the same. > >> But again, we don't know your data. Alternative would be to match on the > >> city name, but this is indeed bad practice as city names are ambiguous > >> > >> > >
