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RDFBlankNode["id"]

represents a blank node with identifier "id" in an RDFStore.

RDFBlankNode[]

represents a blank node which is different from all other nodes.

更多信息和选项
Details and Options Details and Options
范例  
基本范例  
Scope  
参见
相关指南
按以下格式引用：
GraphStore`
GraphStore`

RDFBlankNode

RDFBlankNode["id"]

represents a blank node with identifier "id" in an RDFStore.

RDFBlankNode[]

represents a blank node which is different from all other nodes.

更多信息和选项

  • Blank nodes are scoped to RDF datasets: A blank node with the same "id" in different graphs of the same RDF dataset represents the same node. Blank nodes in different RDF datasets are unrelated.

范例

打开所有单元 关闭所有单元

基本范例  (1)

A blank node with label "abc":

Represent the age of the universe:

Scope  (1)

Create a graph that asserts the existence of persons with a particular age and name:

Query names and corresponding ages:

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

文本

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

CMS

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

APA

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

BibTeX

@misc{reference.wolfram_2025_rdfblanknode, author="Wolfram Research", title="{RDFBlankNode}", year="2019", howpublished="\url{https://reference.wolfram.com/language/GraphStore/ref/RDFBlankNode.html}", note=[Accessed: 16-April-2026]}

BibLaTeX

@online{reference.wolfram_2025_rdfblanknode, organization={Wolfram Research}, title={RDFBlankNode}, year={2019}, url={https://reference.wolfram.com/language/GraphStore/ref/RDFBlankNode.html}, note=[Accessed: 16-April-2026]}