SPARQL Interface 🐢
Rules
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
<#SOKRATES>
a foaf:Person ;
foaf:firstName "Sokrates" ;
foaf:surName "Sokrates" ;
foaf:name "Sokrates" ;
foaf:age 30 ;
foaf:knows [
a foaf:Person ;
foaf:name "Russel"
];
foaf:knows [
a foaf:Person ;
foaf:name "MCurie"
] .
<#MCURIE>
a foaf:Person ;
foaf:firstName "Marie" ;
foaf:name "MCurie" ;
foaf:SurName "Curie" ;
foaf:age 29 ;
foaf:knows [
a foaf:Person ;
foaf:name "PCurie"
];
foaf:knows [
a foaf:Person ;
foaf:name "Russel"
];
foaf:knows [
a foaf:Person ;
foaf:name "Sokrates"
] .
<#PCURIE>
Query
PREFIX foaf: <http://xmlns.com/foaf/0.1/> SELECT ?name2 WHERE { ?person1 foaf:knows ?person2. ?person1 foaf:firstName "Sokrates" .?person2 foaf:name ?name2 .}
RDF system by Thomas Neumann
Maintainer:
i3erdb@in.tum.de