For the record, this is the "game engines written in C/C++/Objective C with software licenses" query I came up with:
https://dbpedia.org/snorql/?query=PREFIX++dbo%3A++%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2F%3E%0D%0APREFIX++rdfs%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23%3E%0D%0APREFIX++dbp%3A++%3Chttp%3A%2F%2Fdbpedia.org%2Fproperty%2F%3E%0D%0APREFIX++dbr%3A++%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2F%3E%0D%0APREFIX++rdf%3A++%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0D%0A%0D%0ASELECT+DISTINCT++%3Fengine+%3FengineLabel+%3FprogrammingLanguage+%3Flicense%0D%0AWHERE%0D%0A++%7B+%3Fengine++rdfs%3Alabel++++++++++++%3FengineLabel+%3B%0D%0A+++++++++++++dbp%3AprogrammingLanguage++%3FprogrammingLanguage%0D%0A++++FILTER+%28+%3FprogrammingLanguage+IN+%28%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FC_%28programming_language%29%3E%2C+dbr%3AObjective-C%2C+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FC%2B%2B%3E%29+%29%0D%0A++++FILTER+langMatches%28lang%28%3FengineLabel%29%2C+%22en%22%29%0D%0A++++++%7B+%3Fengine++dbo%3Agenre++dbr%3AGame_engine+%7D%0D%0A++++UNION%0D%0A++++++%7B+%3Fengine++%3Chttp%3A%2F%2Fpurl.org%2Fdc%2Fterms%2Fsubject%3E++dbr%3ACategory%3AVideo_game_engines+%7D%0D%0A++++OPTIONAL%0D%0A++++++%7B+%3Fengine++dbo%3Alicense++%3Flicense+%7D%0D%0A++%7D%0D%0AORDER+BY+%3FengineLabel%0D%0ALIMIT+++100 On Mon, Apr 7, 2025 at 8:09 AM Sebastian Hellmann <hellm...@informatik.uni-leipzig.de> wrote: > > Hi Joe, > > both linked data and sparql are REST. I guess what you are looking for > is some sort of swagger/json API, which sometimes aren't real REST. > > SPARQL is really the way to go, especially, if you already have the URI. > First do: > > SELECT distinct ?p count(?p) as?count { > <http://dbpedia.org/resource/Source_(game_engine)> ?p ?o > } order by desc (?count) > > https://dbpedia.org/snorql/?query=SELECT+distinct+%3Fp+count%28%3Fp%29+as%3Fcount+%7B+%0D%0A%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FSource_%28game_engine%29%3E+%3Fp+%3Fo%0D%0A%7D+order+by+desc+%28%3Fcount%29+ > > then select the props you need: > > SELECT * { > OPTIONAL { <http://dbpedia.org/resource/Source_(game_engine)> > <http://dbpedia.org/ontology/license> ?license . } > OPTIONAL { <http://dbpedia.org/resource/Source_(game_engine)> > <http://dbpedia.org/ontology/programmingLanguage> ?pl . } > } > > https://dbpedia.org/snorql/?query=SELECT+*+%7B+%0D%0AOPTIONAL+%7B+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FSource_%28game_engine%29%3E+%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2Flicense%3E+%3Flicense+.+%7D%0D%0AOPTIONAL+%7B+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FSource_%28game_engine%29%3E++%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2FprogrammingLanguage%3E+%3Fpl+.+%7D%0D%0A%7D+ > > here is a list of all accept headers for SPARQL on dbpedia.org/sparql > > text/html > text/x-html+tr > auto > application/vnd.ms-excel > application/sparql-results+xml > application/sparql-results+json > application/javascript > text/turtle > application/rdf+xml > text/plain > text/csv > text/tab-separated-values > > you can also query 1000 uris at once, if you rewrite the query a bit or > let chatgpt do it. Not sure how to get the language. > > https://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&query=SELECT+*+%7B%0D%0AOPTIONAL+%7B+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FSource_%28game_engine%29%3E+%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2Flicense%3E+%3Flicense+.+%7D%0D%0AOPTIONAL+%7B+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FSource_%28game_engine%29%3E++%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2FprogrammingLanguage%3E+%3Fpl+.+%7D%0D%0A%7D+&format=text%2Fhtml&timeout=30000&signal_void=on&signal_unconnected=on > > -- Sebastian > > > On 06.04.25 11:54, Martynas Jusevičius wrote: > > DBpedia also supports Linked Data. You can request RDF formats using > > the resource (not the page) URIs, for example: > > > > curl -L -H "Accept: text/turtle" > > 'http://dbpedia.org/resource/Source_(game_engine)' > > > > On Sun, Apr 6, 2025 at 3:07 AM joe Alambert <joealamber...@gmail.com> wrote: > >> I finally decided to migrate from sparql client. > >> > >> Best regards. > >> > >> On Sat, Apr 5, 2025 at 9:08 PM joe Alambert <joealamber...@gmail.com> > >> wrote: > >>> Hello. > >>> here is > >>> I want to use an rest api (if possible, not spark) to get the language, > >>> license and programming language of a game engine page found previously > >>> with the lookup api. For example the page > >>> https://dbpedia.org/page/Source_(game_engine) should return C++, etc.. > >>> > >>> Is there a rest api already rxisting please.? > >>> > >>> > >>> BEst regards. > >> _______________________________________________ > >> DBpedia-discussion mailing list > >> DBpedia-discussion@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > > > > _______________________________________________ > > DBpedia-discussion mailing list > > DBpedia-discussion@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > > > _______________________________________________ > DBpedia-discussion mailing list > DBpedia-discussion@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion _______________________________________________ DBpedia-discussion mailing list DBpedia-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion
