Case Study: A Real-World Implementation Of Linked Data
Dimitri van Hees, Technical Architect/Data Specialist, Freshheads BV Learn how one organization put Linked Data to work for it by adding a sixth star --- using APIs --- to Sir Tim Berners-Lee’s 5-Star Scale for implementing Linked Open Data. This session includes an introduction to Linked Open Data, Linked Closed Data, and Berners-Lee's 5 star scale and do a step-by-step walk-through of a successful implementation. It will include a frank discussion regarding the technical and organizational challenges encountered with a real-world Linked Data project and how those challenges were overcome. In this session, you will not only learn how to think about Linked Data APIs in real world terms, but also how to "sell" it to the organization." If you are attending this presentation, you may also want to attend Markus Lanthaler's presentation on Why and How to Optimize Your Data Architecture for an Integrated Future.
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Case Study: A Real-World Implementation Of Linked Data
- 1. Making The Most of Existing and Mashable Data Sources Dimitri van Hees, APIcon UK 2014
- 2. About me • Technical Architect • Data Specialist • Freshheads BV • API supporter
- 3. About me “The only bad thing about API is that it’s the inverse of IPA”
- 4. About me • Brewmaster • MQTT API driven brewery “De Brouwtoren”
- 6. Buzzwords • #BigData • #OpenData • #LinkedOpenData • #SemanticWeb • #Web30 • #IoT
- 7. Buzzwords • #BigData: lots of data • #OpenData: free data • #LinkedOpenData: free Linked Data • #SemanticWeb: Linked Data • #Web30: Linked Data • #IoT: Connected devices, sensor data
- 8. Real world Quality Quantity Price
- 9. Data quality • Machine readable? • Accessible via webservices? • Up-to-date? • Verified?
- 10. Data quantity • Can we store it? • Can we process it? • Is it representative?
- 11. Data price • What does it cost? • Do we need an API key? • Are we allowed to use it? • And also for commercial purposes?
- 12. Privacy
- 14. Government data • Not often machine readable • Not much external links
- 15. Freebase
- 16. Freebase • REST interface • MQL (Metaweb Query Language) • Free API key • Free RDF download • Search widget • http://www.freebase.com/m/09889g • https://www.googleapis.com/freebase/v1/topic/m /09889g
- 17. DBPedia
- 18. DBPedia • Wikipedia as Linked Data • Synchronizes Wikipedia periodically • Free RDF download • SPARQL endpoint (dbpedia-owl:wikiPageID) • DBPedia lookup API • http://lookup.dbpedia.org/api/search.asmx/Keywo rdSearch?QueryString=Michael%20Jackson • http://dbpedia.org/sparql
- 19. Semantic API’s • Dandelion.eu • 1000 free requests/day • Provides links to DBPedia as well • https://dandelion.eu/products/datatxt/nex/demo/ ?exec=true#
- 20. Semantic API’s ‘s-Hertogenbosch Den Bosch Den Bosch, Netherlands http://nl.dbpedia .org/resource/'s- Hertogenbosch
- 21. Or just add it yourself… …but never ever re-invent the wheel!
- 22. Thank you! • Twitter: http://twitter.com/dvh • E-mail: dimitri@freshheads.com • GitHub: http://github.com/dvh • LinkedIn: https://linkedin.com/in/dimitrivanhees
- 23. Thank you! • Twitter: http://twitter.com/dvh • E-mail: dimitri@freshheads.com • GitHub: http://github.com/dvh • LinkedIn: https://linkedin.com/in/dimitrivanhees • Brewery: http://facebook.com/brouwtoren
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