SPARQLDelete
GraphStore`
GraphStore`
SPARQLDelete
SPARQLDelete[patterntemplate]
is an update operator that can be applied to an RDFStore, which deletes data generated from template, based on solutions of matching pattern.
SPARQLDelete[pattern]
uses pattern as template.
更多信息和选项
- SPARQLDelete can be used in SPARQLExecute to delete data from a SPARQL endpoint.
- In SPARQLDelete[patterntemplate], template corresponds to the DELETE clause, and pattern corresponds to the WHERE clause of a SPARQL update request.
- In SPARQLDelete[pattern], pattern corresponds to the DELETE WHERE clause of a SPARQL update request.
范例
基本范例 (1)
Needs["GraphStore`"]Specify a graph with data about fruits:
ex[s_] := URL["http://example.org/" <> s];fruitGraph = RDFStore[{
RDFTriple[ex["banana"], ex["color"], "yellow"],
RDFTriple[ex["strawberry"], ex["color"], "red"],
RDFTriple[ex["cherry"], ex["color"], "red"]
}]fruitGraph = fruitGraph//SPARQLDelete[RDFTriple[SPARQLVariable["fruit"], ex["color"], "red"]]
Wolfram Research (2019)，SPARQLDelete，Wolfram 语言函数，https://reference.wolfram.com/language/GraphStore/ref/SPARQLDelete.html.
文本
Wolfram Research (2019)，SPARQLDelete，Wolfram 语言函数，https://reference.wolfram.com/language/GraphStore/ref/SPARQLDelete.html.
CMS
Wolfram 语言. 2019. "SPARQLDelete." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/GraphStore/ref/SPARQLDelete.html.
APA
Wolfram 语言. (2019). SPARQLDelete. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/GraphStore/ref/SPARQLDelete.html 年