56 lines
1.5 KiB
Plaintext
56 lines
1.5 KiB
Plaintext
# Common prefixes across all queries
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PREFIX : <http://example.com/ins_uebung/#>
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PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
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PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
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PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
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PREFIX foaf: <http://xmlns.com/foaf/0.1/>
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PREFIX rev: <http://purl.org/stuff/rev#>
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# How many consoles did Nintendo produce?
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SELECT COUNT(?console) AS ?numConsoles
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WHERE {
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?console :madeBy ?organization .
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}
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GROUP BY ?organization
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# Which console(s) made by Nintendo came out after 1997?
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SELECT ?console
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WHERE {
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?console :madeBy :Nintendo .
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?console :releaseYear ?releaseYear .
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FILTER(?releaseYear > 1997)
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}
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# About which consoles do we not know their number of supported controllers yet if they are NOT portable game consoles?
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SELECT ?console
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WHERE {
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?console rdf:type :GameConsole .
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FILTER NOT EXIST { ?console rdf:type :PortableGameConsole . }
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FILTER NOT EXIST { ?console :numOfSupportedControllers ?anyNumber . }
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}
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# Is there a game console without a review?
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ASK {
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?console rdf:type :GameConsole .
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FILTER NOT EXIST { ?console rev:hasReview ?anyReview . }
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}
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# Show all Consoles that have at least one review
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SELECT DISTINCT ?console
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WHERE {
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?console rev:hasReview ?anyReview .
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}
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# Construct triples for something different
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# Map CEO to consoles
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CONSTRUCT {
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?ceo :isRelatedToConsole ?console .
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}
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WHERE {
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?console rdf:type :GameConsole .
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?console :madeBy ?org .
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?org :ceo ?ceo .
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?ceo rdf:type foaf:Person .
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}
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