Abstract
Tourism is one of the most critical sectors of the global economy. Due to its heterogeneous and fragmented nature, it provides one of the most suitable use cases for knowledge graphs. In this poster, we introduce the German Tourism Knowledge Graph that integrates tourism-related data from 16 federal states of Germany and various other sources to provide a curated knowledge source for various applications. It is publicly available through GUIs and an API.
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Notes
- 1.
In German, Deutsche Zentrale für Tourismus. https://germany.travel.
- 2.
These are agencies that promote tourism in their regions.
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- 5.
The list of domain specifications currently used by GTKG can be found here: https://semantify.it/list/LRVOilZZ6. There was a new release of ODTA domain specifications in February 2024 (https://odta.sti2.org/) and the migration process is still ongoing.
- 6.
See https://semantify.it/list/LRVOilZZ6 for the domain specifications based on these types.
- 7.
schema is the prefix for schema.org namespace. odta is the prefix for https://odta.io/voc/ namespace that represents newly created types and properties. Instance counts are result of the query here: https://purl.archive.org/gtkg/queries.
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See https://purl.archive.org/gtkg/api-doc for a comprehensive documentation.
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Currently being tested on a subset of GTKG https://purl.archive.org/gtkg/search.
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Serles, U., Kärle, E., Hunkel, R., Fensel, D. (2025). German Tourism Knowledge Graph. In: Meroño Peñuela, A., et al. The Semantic Web: ESWC 2024 Satellite Events. ESWC 2024. Lecture Notes in Computer Science, vol 15344. Springer, Cham. https://doi.org/10.1007/978-3-031-78952-6_49
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