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SPARQLOrderBy[expr]

is a query operator that sorts solutions by the value of expr.

SPARQLOrderBy[expr"order"]

sorts in ascending or descending order.

SPARQLOrderBy[{spec1,spec2,…}]

breaks ties by successively using the speci.

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Details and Options Details and Options
范例  
基本范例  
参见
相关指南
按以下格式引用：
GraphStore`
GraphStore`

SPARQLOrderBy

SPARQLOrderBy[expr]

is a query operator that sorts solutions by the value of expr.

SPARQLOrderBy[expr"order"]

sorts in ascending or descending order.

SPARQLOrderBy[{spec1,spec2,…}]

breaks ties by successively using the speci.

更多信息和选项

范例

基本范例  (1)

Wolfram Language code: Needs["GraphStore`"]

Data about books:

Wolfram Language code: books = GraphStore`RDFStore[{GraphStore`RDFTriple[URL["http://example.org/gravitation"], URL["https://schema.org/datePublished"], DateObject[{1973}, "Year", "Gregorian", 2.]], GraphStore`RDFTriple[URL["http://example.org/faust"], URL["https://schema.org/datePublished"], DateObject[{1808}, "Year", "Gregorian", 2.]]}, Association[]];

Find books ordered by publication date, with the newest first:

Wolfram Language code: books//SPARQLQuery[ SPARQLSelect[RDFTriple[SPARQLVariable["book"], URL["https://schema.org/datePublished"], SPARQLVariable["date"]]] /* SPARQLOrderBy[SPARQLVariable["date"] -> "Descending"] ]
Wolfram Research (2020)，SPARQLOrderBy，Wolfram 语言函数，https://reference.wolfram.com/language/GraphStore/ref/SPARQLOrderBy.html.

文本

Wolfram Research (2020)，SPARQLOrderBy，Wolfram 语言函数，https://reference.wolfram.com/language/GraphStore/ref/SPARQLOrderBy.html.

CMS

Wolfram 语言. 2020. "SPARQLOrderBy." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/GraphStore/ref/SPARQLOrderBy.html.

APA

Wolfram 语言. (2020). SPARQLOrderBy. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/GraphStore/ref/SPARQLOrderBy.html 年

BibTeX

@misc{reference.wolfram_2026_sparqlorderby, author="Wolfram Research", title="{SPARQLOrderBy}", year="2020", howpublished="\url{https://reference.wolfram.com/language/GraphStore/ref/SPARQLOrderBy.html}", note=[Accessed: 15-August-2026]}

BibLaTeX

@online{reference.wolfram_2026_sparqlorderby, organization={Wolfram Research}, title={SPARQLOrderBy}, year={2020}, url={https://reference.wolfram.com/language/GraphStore/ref/SPARQLOrderBy.html}, note=[Accessed: 15-August-2026]}