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_2024_rdfblanknode, author="Wolfram Research", title="{RDFBlankNode}", year="2019", howpublished="\url{https://reference.wolfram.com/language/GraphStore/ref/RDFBlankNode.html}", note=[Accessed: 05-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_rdfblanknode, organization={Wolfram Research}, title={RDFBlankNode}, year={2019}, url={https://reference.wolfram.com/language/GraphStore/ref/RDFBlankNode.html}, note=[Accessed: 05-November-2024 ]}