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我是一名試圖從此SPARQL查詢中瞭解三元組意義的生物學家。如果「a」是三元組,那麼此示例查詢中的主題,對象和謂詞的資源是什麼?sparql查詢 - 三重
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX obo: <http://purl.obolibrary.org/obo/>
PREFIX sio: <http://semanticscience.org/resource/>
PREFIX efo: <http://www.ebi.ac.uk/efo/>
PREFIX atlas: <http://rdf.ebi.ac.uk/resource/atlas/>
PREFIX atlasterms: <http://rdf.ebi.ac.uk/terms/atlas/>
SELECT DISTINCT ?experiment ?description WHERE
{?experiment
a atlasterms:Experiment ;
dcterms:description ?description ;
atlasterms:hasAssay
[atlasterms:hasSample
[atlasterms:hasSampleCharacteristic
[ atlasterms:propertyType ?propertyType ;
atlasterms:propertyValue ?propertyValue]
]
]
filter regex (?description, "diabetes", "i")
}
我很感謝您的幫助嗎?
謝謝,AD
謝謝你的澄清。 – user4552671 2015-02-13 19:35:55