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Extending the Schema.org Vocabulary for More Expressive Accommodation Annotations

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Abstract

Schema.org was founded in 2011 by the search engine companies, Bing, Google, Yahoo! and Yandex. The purpose was to develop a vocabulary which is compact and easy to use, yet powerful and expressive, to describe “things” on the Web and to make them machine read- and understandable. For the tourism sector however, the vocabulary provided in the versions up to 3.0 was too shallow to make an expressive structured description of, for example, a hotel. So far schema.org/Hotel provides vocabulary for describing a hotel’s core data, like name, address and description, an email address, a phone number or offers. Detailed descriptions, like the number of beds in a room, the bed type or whether pets are allowed or not, are not possible. In this paper we present our work on an extension of schema.org towards better, more expressive annotations of accommodation data. We introduce 12 new types and 10 new properties and evaluate how this extension can be used on hotel Web sites to annotate content in a machine readable, expressive way.

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Notes

  1. 1.

    https://github.com/schemaorg/.

  2. 2.

    public-schemaorg@w3.org.

  3. 3.

    Destination Marketing Organization.

  4. 4.

    https://medium.com/dev-channel/the-headless-Web-de81ab21651f\#.b86qcg6n0.

  5. 5.

    http://thematix.com/ontologies/travel/lodging/.

  6. 6.

    http://www.opentravel.org/.

  7. 7.

    https://en.wikipedia.org/wiki/Global\_Distribution\_System.

  8. 8.

    From Wikipedia: https://en.wikipedia.org/wiki/Apartment.

  9. 9.

    http://www.mayrhofen.at/.

  10. 10.

    http://www.feratel.com/.

  11. 11.

    http://developers.brewerdigitalmarketing.com/generator/hotel/room.

  12. 12.

    https://schema.org/docs/hotels.html.

  13. 13.

    http://oc.sti2.at/.

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Acknowledgements

The authors would like to thank the Online Communications working group (OC) Footnote 13 for their active discussions and input during the OC meetings and Ioan Toma for his help during the development of the extension. Thank you also to Venislav Georgiev, Christian Esswein and Philipp Kratzer for their work on the Feratel wrapper and the Typo3 extension and Andreas Lackner, the CEO of the Mayrhofen DMO, for his willingness and motivation when it comes to implementing innovative technologies to his organization.

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Correspondence to Elias Kärle .

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Kärle, E., Simsek, U., Akbar, Z., Hepp, M., Fensel, D. (2017). Extending the Schema.org Vocabulary for More Expressive Accommodation Annotations. In: Schegg, R., Stangl, B. (eds) Information and Communication Technologies in Tourism 2017. Springer, Cham. https://doi.org/10.1007/978-3-319-51168-9_3

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