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Linked Open Data http://innsbruck.info Anna Fensel, Ioannis Stavrakantonakis , Dieter Fensel. Linked Open Data.

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Linked Open Data

http://innsbruck.info

Anna Fensel, Ioannis Stavrakantonakis, Dieter Fensel


Linked Open Data

  • “The Semantic Web is a Web of Data — of […] any other data one might conceive of. The collection of Semantic Web technologies (RDF, OWL, SKOS, SPARQL, etc.) provides an environment where application can query that data […]

  • not only does the Semantic Web need access to data, but relationships among data should be made available […]”, by W3C*

Open Data

Linked

*http://www.w3.org/standards/semanticweb/data

2


Linked Open Data

http://lod-cloud.net/versions/2011-09-19/lod-cloud_colored.png

3


Linked Open Data

  • What do we need* to publish our data as Linked Open Data?

  • There must be resolvable http:// (or https://) URIs.

  • They must resolve to RDF data in one of the popular RDF formats (RDFa, RDF/XML, Turtle, N-Triples).

  • The dataset must contain at least 1000 triples.

  • The dataset must be connected via RDF links to a dataset that is already in the diagram. This means, either your dataset must use URIs from the other dataset, or vice versa. We arbitrarily require at least 50 links.

  • Access of the entire dataset must be possible via RDF crawling, via an RDF dump, or via a SPARQL endpoint.

*http://lod-cloud.net/

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Linked Open Data

  • We have developed from innsbruck.info information for:

  • Hotels

  • Restaurants

  • Cafés

  • Events

in RDF

5


Combining open data and services tourist map austria
Combining Open Data and Services – Tourist Map Austria

  • Use LOD to integrate and lookup data about

    • places and routes

    • time-tables for public transport

    • hiking trails

    • ski slopes

    • points-of-interest


Combining open data and services tourist map austria1
Combining Open Data and Services – Tourist Map Austria

  • Based on Open Street Map

    (as e.g. implemented by

    a Tyrolean region Zillertal)

  • Increase on-line

    visibility for hotels and

    destinations via

    multi-channel

    communication – SCEI

  • Hotels,

    ski passes, etc. are

    directly bookable –

    seekda engine

  • LOD to integrate and

    lookup data about hiking

    trails, ski slopes, etc.

  • On the fly service

    integration as you pay

SCEI

LOD


Task sightseeing annotations in rdf
Task – Sightseeing Annotations in RDF

  • Annotate sightseeing entries from the last seminar in RDF

    • You made RDF annotations for hotels using the Accommodation ontology, for example

  • Use severalontologies, such as

    • RDFS version of schema.org

    • Dbpedia.org

    • GoodRelations

    • Further ones you find on the Web and identify as relevant

  • Consider building links e.g. to DBpedia

    • Some entries for sightseeing entities already exist on Wikipedia and DBpedia e.g. “Golden Roof”


Thankyou!

  • Questions?


References
References

  • EUCLID project: Chapter 3. Providing Liked Data: http://www.euclid-project.eu/modules/chapter3

  • Datahub: http://datahub.io

  • LOD Cloud on Datahub: http://datahub.io/dataset?organization=lodcloud

  • The LOD Cloud: http://lod-cloud.net/


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