Różnice między wybraną wersją a wersją aktualną.
| Both sides previous revision Poprzednia wersja Nowa wersja | Poprzednia wersja | ||
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pl:miw:2009:miw09_semweb_rdfstore [2009/07/07 12:08] jsi08 |
pl:miw:2009:miw09_semweb_rdfstore [2019/06/27 15:50] (aktualna) |
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| Linia 536: | Linia 536: | ||
| ===== Przykłady użycia ===== | ===== Przykłady użycia ===== | ||
| + | Przykłady opierają się na dbpedii. | ||
| + | |||
| + | * Obiekty połorzone w pobliżu Krakowa: | ||
| + | <code> | ||
| + | SELECT ?subject ?label ?lat ?long WHERE { | ||
| + | <http://dbpedia.org/resource/Krak%C3%B3w> geo:lat ?myLat . | ||
| + | <http://dbpedia.org/resource/Krak%C3%B3w> geo:long ?myLong . | ||
| + | ?subject geo:lat ?lat. | ||
| + | ?subject geo:long ?long. | ||
| + | ?subject rdfs:label ?label. | ||
| + | FILTER(xsd:float(?lat) - xsd:float(?myLat) <= 0.05 && | ||
| + | xsd:float(?myLat) - xsd:float(?lat) <= 0.05 && | ||
| + | xsd:float(?long) - xsd:float(?myLong) <= 0.05 && | ||
| + | xsd:float(?myLong) - xsd:float(?long) <= 0.05 && | ||
| + | (lang(?label) = "en" || lang(?label) = "pl")). | ||
| + | } | ||
| + | </code> | ||
| + | [[http://dbpedia.org/snorql/?query=SELECT+%3Fsubject+%3Flabel+%3Flat+%3Flong+WHERE+{%0D%0A%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FKrak%25C3%25B3w%3E+geo%3Alat+%3FmyLat+.%0D%0A%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FKrak%25C3%25B3w%3E+geo%3Along+%3FmyLong+.%0D%0A%3Fsubject+geo%3Alat+%3Flat.%0D%0A%3Fsubject+geo%3Along+%3Flong.%0D%0A%3Fsubject+rdfs%3Alabel+%3Flabel.%0D%0AFILTER(xsd%3Afloat(%3Flat)+-+xsd%3Afloat(%3FmyLat)+%3C%3D+0.05+%26%26%0D%0Axsd%3Afloat(%3FmyLat)+-+xsd%3Afloat(%3Flat)+%3C%3D+0.05+%26%26%0D%0Axsd%3Afloat(%3Flong)+-+xsd%3Afloat(%3FmyLong)+%3C%3D+0.05+%26%26%0D%0Axsd%3Afloat(%3FmyLong)+-+xsd%3Afloat(%3Flong)+%3C%3D+0.05+%26%26%0D%0A(lang(%3Flabel)+%3D+%22en%22+||+lang(%3Flabel)+%3D+%22pl%22)).%0D%0A}%0D%0A|wynik]] | ||
| + | |||
| + | * Uniwersytety w Krakowie: | ||
| + | <code> | ||
| + | SELECT ?subject ?label ?lat ?long | ||
| + | WHERE { | ||
| + | ?subject rdfs:label ?label. | ||
| + | ?subject dbpprop:city <http://dbpedia.org/resource/Krak%C3%B3w>. | ||
| + | ?subject rdf:type <http://dbpedia.org/ontology/University>. | ||
| + | FILTER ( | ||
| + | (lang(?label) = "en" || lang(?label) = "pl") | ||
| + | ). | ||
| + | OPTIONAL { | ||
| + | ?subject geo:lat ?lat. | ||
| + | ?subject geo:long ?long. | ||
| + | } | ||
| + | } | ||
| + | </code> | ||
| + | [[http://dbpedia.org/snorql/?query=SELECT+%3Fsubject+%3Flabel+%3Flat+%3Flong+%0D%0AWHERE+{%0D%0A+++++%3Fsubject+rdfs%3Alabel+%3Flabel.%0D%0A+++++%3Fsubject+dbpprop%3Acity+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FKrak%25C3%25B3w%3E.%0D%0A%09%3Fsubject+rdf%3Atype+%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2FUniversity%3E.%0D%0A%09+FILTER+(%0D%0A%09(lang(%3Flabel)+%3D+%22en%22+||+lang(%3Flabel)+%3D+%22pl%22)%0D%0A%09).%0D%0A%09OPTIONAL+{%0D%0A++++%3Fsubject+geo%3Alat+%3Flat.%0D%0A%09%3Fsubject+geo%3Along+%3Flong.%0D%0A%09}%0D%0A}%0D%0A|wynik]] | ||
| + | |||
| + | * Obiekty powiązane z Krakowem: | ||
| + | <code> | ||
| + | SELECT ?subject ?label ?lat ?long ?type | ||
| + | WHERE { | ||
| + | ?subject rdfs:label ?label. | ||
| + | ?subject dbpprop:city <http://dbpedia.org/resource/Krak%C3%B3w>. | ||
| + | ?subject rdf:type ?type. | ||
| + | FILTER ( | ||
| + | (lang(?label) = "en" || lang(?label) = "pl") | ||
| + | ). | ||
| + | OPTIONAL { | ||
| + | ?subject geo:lat ?lat. | ||
| + | ?subject geo:long ?long. | ||
| + | } | ||
| + | } | ||
| + | </code> | ||
| + | [[http://dbpedia.org/snorql/?query=SELECT+%3Fsubject+%3Flabel+%3Flat+%3Flong+%3Ftype%0D%0AWHERE+{%0D%0A+++++%3Fsubject+rdfs%3Alabel+%3Flabel.%0D%0A+++++%3Fsubject+dbpprop%3Acity+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FKrak%25C3%25B3w%3E.%0D%0A%09%3Fsubject+rdf%3Atype+%3Ftype.%0D%0A%09+FILTER+(%0D%0A%09(lang(%3Flabel)+%3D+%22en%22+||+lang(%3Flabel)+%3D+%22pl%22)%0D%0A%09).%0D%0A%09OPTIONAL+{%0D%0A++++%3Fsubject+geo%3Alat+%3Flat.%0D%0A%09%3Fsubject+geo%3Along+%3Flong.%0D%0A%09}%0D%0A}%0D%0A|wynik]] | ||
| + | |||
| + | * Polscy piłkarze: | ||
| + | <code> | ||
| + | SELECT DISTINCT ?name ?type | ||
| + | WHERE { | ||
| + | ?subject ?func <http://dbpedia.org/resource/Poland>. | ||
| + | ?func rdfs:label ?type. | ||
| + | ?subject foaf:name ?name . | ||
| + | ?subject rdf:type <http://dbpedia.org/ontology/FootballPlayer>. | ||
| + | } | ||
| + | </code> | ||
| + | [[http://dbpedia.org/snorql/?query=SELECT+DISTINCT+%3Fname+%3Ftype%0D%0AWHERE+{%0D%0A++++%3Fsubject+%3Ffunc+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FPoland%3E.%0D%0A%09%3Ffunc+rdfs%3Alabel+%3Ftype.%0D%0A++++%3Fsubject+foaf%3Aname+%3Fname+.%0D%0A++++%3Fsubject+rdf%3Atype+%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2FFootballPlayer%3E.%0D%0A}%0D%0A|wynik]] | ||
| + | |||
| + | * Osoby powiązane z Berlinem: | ||
| + | <code> | ||
| + | SELECT ?name ?type ?ffa ?fff | ||
| + | WHERE { | ||
| + | ?subject ?func <http://dbpedia.org/resource/Berlin>. | ||
| + | ?func rdfs:label ?type. | ||
| + | ?subject foaf:name ?name . | ||
| + | ?subject rdf:type <http://dbpedia.org/ontology/Person>. | ||
| + | ?subject rdf:type ?ffa. | ||
| + | ?ffa rdfs:label ?fff. | ||
| + | } | ||
| + | </code> | ||
| + | [[http://dbpedia.org/snorql/?query=SELECT+%3Fname+%3Ftype+%3Fffa+%3Ffff%0D%0AWHERE+{%0D%0A++++%3Fsubject+%3Ffunc+%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FBerlin%3E.%0D%0A%09%3Ffunc+rdfs%3Alabel+%3Ftype.%0D%0A++++%3Fsubject+foaf%3Aname+%3Fname+.%0D%0A++++%3Fsubject+rdf%3Atype+%3Chttp%3A%2F%2Fdbpedia.org%2Fontology%2FPerson%3E.%0D%0A%09%3Fsubject+rdf%3Atype+%3Fffa.%0D%0A%09%3Fffa+rdfs%3Alabel+%3Ffff.%0D%0A}%0D%0A|wynik]] | ||
