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SPARQLExecute[url, query]

url にあるSPARQL Endpointで query を実行する．

詳細とオプション
Details and Options Details and Options
例題  
例  
関連項目
関連するガイド
引用書式
GraphStore`
GraphStore`

SPARQLExecute

SPARQLExecute[url, query]

url にあるSPARQL Endpointで query を実行する．

詳細とオプション

  • SPARQLExecute[url,query]の query は，記号的なSPARQLクエリ，更新リクエスト，または文字列でよい．
  • 使用可能な記号によるクエリ形式には， SPARQLSelect，SPARQLAsk，SPARQLConstructがある．

例題

例  (1)

Wolfram Language code: Needs["GraphStore`"]

Wikidata中のトリプルを数える：

Wolfram Language code: SPARQLExecute[ "https://query.wikidata.org/sparql", SPARQLSelect[RDFTriple[SPARQLVariable["x"], SPARQLVariable["y"], SPARQLVariable["z"]]] /* SPARQLAggregate["count" -> SPARQLEvaluation["count"][]] ]

クエリ文字列を使った同じクエリ：

Wolfram Language code: SPARQLExecute[ "https://query.wikidata.org/sparql", "select (count(*) as ?count) where {?x ?y ?z}" ]
Wolfram Research (2019), SPARQLExecute, Wolfram言語関数， https://reference.wolfram.com/language/GraphStore/ref/SPARQLExecute.html.

テキスト

Wolfram Research (2019), SPARQLExecute, Wolfram言語関数， https://reference.wolfram.com/language/GraphStore/ref/SPARQLExecute.html.

CMS

Wolfram Language. 2019. "SPARQLExecute." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/GraphStore/ref/SPARQLExecute.html.

APA

Wolfram Language. (2019). SPARQLExecute. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/GraphStore/ref/SPARQLExecute.html

BibTeX

@misc{reference.wolfram_2026_sparqlexecute, author="Wolfram Research", title="{SPARQLExecute}", year="2019", howpublished="\url{https://reference.wolfram.com/language/GraphStore/ref/SPARQLExecute.html}", note=[Accessed: 18-August-2026]}

BibLaTeX

@online{reference.wolfram_2026_sparqlexecute, organization={Wolfram Research}, title={SPARQLExecute}, year={2019}, url={https://reference.wolfram.com/language/GraphStore/ref/SPARQLExecute.html}, note=[Accessed: 18-August-2026]}