GraphStore`
GraphStore`

SPARQLOptional

SPARQLOptional[patt]

パターン全体が一致するために一致する必要がない，パターンの一部を表す．

詳細とオプション

  • SPARQLOptional[patt]の patt はSPARQLSelect[patt]におけるのと同じ形式が取れる．

例題

例  (1)

果物についてのデータ：

果物の色と，任意で形状を求める：

Wolfram Research (2019), SPARQLOptional, Wolfram言語関数， https://reference.wolfram.com/language/GraphStore/ref/SPARQLOptional.html.

テキスト

Wolfram Research (2019), SPARQLOptional, Wolfram言語関数， https://reference.wolfram.com/language/GraphStore/ref/SPARQLOptional.html.

CMS

Wolfram Language. 2019. "SPARQLOptional." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/GraphStore/ref/SPARQLOptional.html.

APA

Wolfram Language. (2019). SPARQLOptional. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/GraphStore/ref/SPARQLOptional.html

BibTeX

@misc{reference.wolfram_2024_sparqloptional, author="Wolfram Research", title="{SPARQLOptional}", year="2019", howpublished="\url{https://reference.wolfram.com/language/GraphStore/ref/SPARQLOptional.html}", note=[Accessed: 21-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_sparqloptional, organization={Wolfram Research}, title={SPARQLOptional}, year={2019}, url={https://reference.wolfram.com/language/GraphStore/ref/SPARQLOptional.html}, note=[Accessed: 21-November-2024 ]}