1,721,010 research outputs found

    Representing COVID-19 information in collaborative knowledge graphs: The case of Wikidata

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    The work done by Houcemeddine Turki, Mohamed Ali Hadj Taieb and Mohamed Ben Aouicha was supported by the Ministry of Higher Education and Scientific Research in Tunisia (MoHESR) in the framework of Federated Research Project PRFCOV19-D1-P1. The work done by Jose Emilio Labra Gayo was partially funded by the Spanish Ministry of Economy and Competitiveness (Society challenges: TIN2017-88877-R). The work done by Daniel Mietchen was supported in part by the Alfred P. Sloan Foundation under grant number G-2019-11458. The work done by Dariusz Jemielniak was funded by Polish National Science Center grant no 2019/35/B/HS6/01056

    Wikishape

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    Wikidata and wikibase description and validation tool using Shapes.</p

    Simple dataset obtained as a Wikidata subset from 2022 dump using entity schema about taxon

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    The subset has been obtained using wdsub version 0.0.33 and the schema: PREFIX p: PREFIX ps: PREFIX prov: PREFIX wd: PREFIX wdt: start = @ OR @ { wdt:P31 [wd:Q16521] ; } {wdt:P685 . +;} OR # NCBI taxonomy ID {wdt:P846 . +;} OR # GBIF taxon ID {wdt:P3151 . +;} OR # iNaturalist taxon ID {wdt:P3444 . +;} # eBird taxon I

    Describing and validating knowledge graphs

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    Tutorial given at: Winter School of Knowledge Graphs and Semantic Web Conferenc

    RDFShape: Online demo implementation of ShEx and SHACL

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    RDFShape implementatio

    SHACLex: Scala implementation of ShEx and SHACL

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    SHACL/ShEx implementatio

    Knowledge graphs: defining and describing them

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    Presentation given at SISTEDES 17-January-2023</p

    Introducción a Wikidata

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    Introducción a Wikidata con ejemplos de consultas SPARQ
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