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SPARQLGraph[iri,expr]

represents expr in the context of the graph identified by the identifier iri.

更多信息和选项
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SPARQLGraph

SPARQLGraph[iri,expr]

represents expr in the context of the graph identified by the identifier iri.

更多信息和选项

  • SPARQLGraph[iri,patt] can be used in SPARQLSelect and related functions to match the graph pattern patt against the graph identified by the identifier iri.
  • SPARQLGraph[iri,data] can be used in SPARQLInsertData and related functions to insert data into the graph identified by the identifier iri.

范例

基本范例  (1)

Current and historical data about countries:

Look up historical data for Spain:

The latest data:

Insert additional historical data:

An additional named graph has been added to the RDF dataset:

Wolfram Research (2019)，SPARQLGraph，Wolfram 语言函数，https://reference.wolfram.com/language/GraphStore/ref/SPARQLGraph.html.

文本

Wolfram Research (2019)，SPARQLGraph，Wolfram 语言函数，https://reference.wolfram.com/language/GraphStore/ref/SPARQLGraph.html.

CMS

Wolfram 语言. 2019. "SPARQLGraph." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/GraphStore/ref/SPARQLGraph.html.

APA

Wolfram 语言. (2019). SPARQLGraph. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/GraphStore/ref/SPARQLGraph.html 年

BibTeX

@misc{reference.wolfram_2025_sparqlgraph, author="Wolfram Research", title="{SPARQLGraph}", year="2019", howpublished="\url{https://reference.wolfram.com/language/GraphStore/ref/SPARQLGraph.html}", note=[Accessed: 16-April-2026]}

BibLaTeX

@online{reference.wolfram_2025_sparqlgraph, organization={Wolfram Research}, title={SPARQLGraph}, year={2019}, url={https://reference.wolfram.com/language/GraphStore/ref/SPARQLGraph.html}, note=[Accessed: 16-April-2026]}