en SPARQL Syntax Expressions

SPARQL Syntax Expressions (alternatively, SPARQL S-Expressions) is a parse tree (a.k.a. concrete syntax) for representing SPARQL Algebra expressions.

Application

They have been used to apply the BERT language model to create SPARQL queries from natural language questions.^[1]

External links

SPARQL Algebra in the W3C SPARQL Query Specification
SPARQL Syntax Expressions in the ARQ query engine
SPARQL Validator that can also print the Algebra expressions
SPARQL Syntax Expressions translations of the DAWG test suite Archived 2015-06-07 at the Wayback Machine

References

^ Gu, Yu; Kase, Sue; Vanni, Michelle; Sadler, Brian; Liang, Percy; Yan, Xifeng; Su, Yu (2021). "Beyond I.I.D.: Three Levels of Generalization for Question Answering on Knowledge Bases". Proceedings of the Web Conference 2021. pp. 3477–3488. arXiv:2011.07743. doi:10.1145/3442381.3449992. ISBN 9781450383127. S2CID 226965153.

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[1] Gu, Yu; Kase, Sue; Vanni, Michelle; Sadler, Brian; Liang, Percy; Yan, Xifeng; Su, Yu (2021). "Beyond I.I.D.: Three Levels of Generalization for Question Answering on Knowledge Bases". Proceedings of the Web Conference 2021. pp. 3477–3488. arXiv:2011.07743. doi:10.1145/3442381.3449992. ISBN 9781450383127. S2CID 226965153.

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