Question: Which volcanos in Japan erupted since 2000?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT DISTINCT ?uri
WHERE {
        ?uri rdf:type onto:Volcano . 
        ?uri onto:locatedInArea res:Japan . 
        ?uri onto:eruptionYear ?date . 
        FILTER (year(?date) >= 2000)
}