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Automatic schema extraction from RDF data
Kuželík, Jan ; Škoda, Petr (advisor) ; Nečaský, Martin (referee)
The Resource Description Framework (RDF) is a model for the representation of semantic data. RDF allows the storage of information without a fixed schema. This provides more flexibility but the lack of a fixed schema poses a significant entry barrier to the utilisation of the stored data. The SPARQL language is used for querying an RDF database. Several works exist in the domain of schema extraction from SPARQL end- points. Most tend to provide a visual representation of the schema, rather than an immediately usable output. Many of these solutions perform a very thorough and lengthy extraction unsuitable for a web application environment and some are not even available online. This thesis introduces TypeSPARQ, an open-source web application for ex- tracting schemata from SPARQL endpoints. TypeSPARQ creates a visualisation of the endpoint's schema and offers options for exporting it. TypeSPARQ in- tegrates with LDKit, which provides type-safe access to SPARQL endpoints for TypeScript applications. These tools combined offer TypeScript developers a seamless process from endpoint exploration to integrating the endpoint within their projects. 1

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